Five years ago, I started working with volunteers and in many ways it changed my life. I discovered a community of people who were eager to freely give of their time, experience, and hearts. It was inspiring and motivating, and eventually I focused my career on volunteer management. This has allowed me to continue to cultivate, and take part in, a community of incredible people.

Since 2018, I have been building an exciting new volunteer program for the Xerces Society. With a high demand for our presence at events across the country and a passionate community of potential volunteers, we developed the Xerces Ambassador Volunteer Program. This program aims to engage audiences in towns and cities through education and inspiring action around invertebrate conservation.

The benefits of this program are three-fold: It engages communities through volunteerism and connects Xerces to new communities; it provides an opportunity for the public to learn about invertebrate conservation and a new way to connect to nature; and it encourages action through participation in community science, changing gardening practices, nature exploration, and more.

Two of our key audiences are youth and gardeners. Gardeners are the perfect audience to engage with because they already have a unique connection with nature. With resources like plant lists and pesticide alternatives education, Xerces can help support gardeners to provide and improve habitat for pollinators.

​Youth are our future—let’s face it, without their engagement in conservation, invertebrates and our planet as a whole will be in much more danger than it is today. By fostering a connection to nature through education and inspiration, it is our hope that youth will take action to steward the natural world around them. While Xerces has previously worked on projects with youth, this program will provide more time and resources to reach the next generation in a more significant way.

The ambassador outreach kit includes everything our Xerces Ambassadors need to participate in an event, which can range from plant sales and farmers’ markets to family-oriented, themed events such as Earth Day and pollinator week celebrations. To ensure that our outreach is engaging and accessible to all ages and backgrounds, we created activities that are visual, hands-on, and can be done independently or with a group. One of the activities is a card game where the participant matches the picture of the pollinator to the picture of the plant it pollinates. Many of the plants produce common food products such as chocolate, figs, and tomatoes. For younger kids, we have butterfly masks they can color while their guardians play trivia.

​The most popular activity involves matching 10 bee specimens, a wasp, and a fly suspended in hand sanitizer inside bottles to their corresponding picture. Traditionally, bees are displayed on pins, often inside a box. The bottles however, allow kids and adults to easily handle the bees and most importantly, it displays them in such a way that makes them more animal like, fostering an emotional connection to these creatures that are often seen as creepy and strange.

​Since training in March, the ambassadors have engaged over 4,500 people in 9 cities from Monmouth, Oregon to Ridgefield, Washington. We were able to participate in events such as Discount Days at the Oregon Zoo, Explorando el Columbia Slough, and the Vancouver Peace and Justice Fair, making connections with people of diverse backgrounds and perspectives. Visitors learned about Xerces and our work, participated in one of our engaging activities, and left with an action item: to explore butterflies and bees in their backyard or a local park, participate in community science programs, plant more pollinator friendly plants, and/or share this new information with friends and neighbors. 

So, what’s next? For the Portland program, we are developing activities with the outreach kit that can be taken into schools, libraries, and other community centers. Ambassadors will be able to engage with youth in greater depth and continue to build deeper community support around invertebrate conservation. As for the rest of the country, get ready! In spring 2020 the ambassador program will be expanding beyond Portland, engaging three new cities: Omaha, Nebraska; Kansas, City, Missouri; and Nashville, Tennessee. It is our hope that these cities can serve as hubs for surrounding areas, and we invite anyone interested in the program and able to attend the in-person trainings to apply—see details below.

Before coming to Xerces, it was my dream to build a volunteer program. What I’ve learned through the process is that with a strong foundation, it is truly the volunteers that make a program extraordinary. This program is no exception. I have been inspired and filled with hope countless times because of the passion, drive, and desire that Xerces Ambassadors have to change the world. For that, I am forever grateful, and excited for what lies ahead.
 
Additional Resources
Do you have a passion for conservation and working with the public? To learn more about the Omaha, Kansas City, Nashville, and Portland Xerces Ambassador Programs, and to apply, click here.
​
Learn more about the Xerces Society’s volunteer program, and view our full list of opportunities.

Guest Blog by Meilee D. Bridges, PhD, Southwestern University

Southwestern University has become the 87th educational institution in the nation to be certified as an affiliate of the Bee Campus USA program. Southwestern joins more than 150 other cities and campuses across the country united in improving their landscapes for pollinators.

The Bee Campus USA program is an initiative of the Xerces Society for Invertebrate Conservation, a nonprofit organization based in Portland, Oregon, with offices across the country. Bee City USA’s mission is to galvanize communities and campuses to sustain pollinators by providing them with healthy habitat, rich in a variety of native plants and free of pesticides. Pollinators such as bumble bees, sweat bees, mason bees, honey bees, butterflies, moths, beetles, flies, hummingbirds, and many others are responsible for the reproduction of almost 90% percent of the world’s flowering plant species and one in every three bites of food we consume.

“The program aspires to make people more PC—pollinator conscious, that is,” says Scott Hoffman Black, Xerces’ executive director. “If lots of individuals and communities begin planting native, pesticide-free flowering trees, shrubs, and perennials, it will help to sustain many, many species of pollinators.” 

Like so many of the University’s sustainability projects, the intention to apply for Bee Campus USA affiliation was initiated by undergraduates. In summer 2019, Josh Long, SU associate professor of environmental studies, approached Veronica Johnson, Southwestern’s sustainability coordinator, about research projects his capstone students might pursue, and Johnson suggested that they investigate ways to make the Southwestern campus more sustainable, such as greywater irrigation, integrated pest management, on-campus composting, green roofs, or Bee Campus USA certification. Sam Buehler ’20, Karonech Chreng ’20, Katey Ewton ’20, Spencer Kleypas ’20, and Abbey Lloyd ’20 were inspired by the last recommendation in particular because, as Buehler recounts, “it seemed like a fun project that would have immediate effects, whereas other topics would not necessarily come to fruition for a few years.”

The group put together a detailed proposal, which they titled “#BeeSouthwestern: Bee Campus USA and Pollinator Protection at Southwestern University” and presented to the campus community. “The students not only guided the University through the necessary steps to achieve Bee Campus USA certification; they also did a great deal of research on campus biodiversity and the promotion of pollinator habitat on college campuses at large. Their final thesis was over 60 pages!” says Long.

“It was amazing to be a part of this project,” Buehler reflects. “Most capstones tend to be research intensive, but this had a very clear and tangible goal with clear steps and was very communication and collaboration focused. We worked a lot with Facilities and Marketing, as well as the Sustainability Committee, and I am incredibly thankful for their help and support in this project, as well as for Veronica Johnson and, of course, our advisor, Dr. Long.”

1. Focus on a Specific Goal
When writing the point above, I kept adding and subtracting “s” to the word goal. While narrowing your focus to a single goal may be a challenge, we have benefited from focusing on one clear goal that embodies identity, strength, and planned impact.

Rather than guiding our intentions from the start, our goal grew as we recognized the strengths of our small community. Gardening is a natural part of rural culture; our city and region are filled with knowledgeable gardeners and small organic farmers. Gardening has even infiltrated our schools, which are known for their award-winning garden programs. One of our first projects after becoming a Bee City was a bee garden in a downtown park.

We recognized that we can help pollinators best by fostering bee gardening. Today our goal is to ensure every garden is a Bee Garden. 

​You can learn about our approach, Pro-Pollinator Planting, on the new website we’ve developed with our partner Bee Bold Mendocino, the local nonprofit which originally proposed Fort Bragg become a Bee City USA.

2. Don’t Organize, Inspire
​The activities we organize are valuable, but the ones we inspire are the most effective. 

Proud to be the first Bee City USA in California, the community pursued its own ideas about the meaning of Bee City USA. Civic organizations sponsored educational presentations, teachers incorporated pollinators into classes, the Fort Bragg Garden Club established an Annual Pollinator Garden Award, and the theme of the City’s recent 130th birthday party was Bee City USA.

​Without anyone organizing it, opposition to pesticides grew. Citizens declared a Bee City must have pollinator friendly practices. Fort Bragg adopted an Integrated Pest Management policy in November, 2019.  

​Through our example we hope to inspire others to join in our goal of ensuring that every garden is a Bee Garden.

By Phyllis Stiles, Bee City USA Founder & Pollinator Champion, Xerces Society
 
At Bee City USA, we are frequently asked how to find funds for pollinator conservation. Here’s a fun and easy idea.
 
A friend hosted a birthday party for her husband earlier this year and used an online invitation service that offers the option of making a charitable donation. Just by naming the local Bee City USA leader, Asheville GreenWorks, as their charity of choice, they raised twelve gifts totaling $485. It also stimulated another $10,000 gift paid directly to GreenWorks.
 
Capitalize on the Season of Giving
What better time than the holiday party season to offer your friends a good cause to support? Online programs such as ECHOage and Evite make it effortless.
 
The service my friend used was Evite. Basic services are free and they have attractive invitation designs. (I’m old enough to remember when we snail-mailed invitations!) They store all of the RSVPs and alert you to guest comments through your email. Evite also sends party reminders and lets you thank everyone for attending afterwards.  It’s really fun to collect and share party photos when you follow up.
 
Online Donation Program
Evite partners with the Pledgeling tax-deductible donation program.  Nonprofit organizations must register with Pledgeling to be included, but registering is simple. The entire donation, less third-party credit card processing fees, are sent to the recipient nonprofit. Pledgeling sends the party host an alert via email each time someone donates, which also makes it easy to thank them right away.  Each communication before and after the party includes the donation opportunity, but in a very low-key way.

Don't Have a Nonprofit or Fiscal Agent?
If you don't have a nonprofit or a fiscal agent to accept tax-deductible donations, don't despair! You may want to consider Facebook's donation service. On your effort's Facebook page, there's  an "Add a Donate Button" option with this message: "Add a donate button to your post to raise money for a nonprofit, and we'll take care of the donation processing with no fees. To raise money for a personal cause instead, create a personal fundraiser.". You can set up a "personal fundraiser" on Facebook and include that link in your online invitation.

Too Late To Plan a Holiday Party?
No worries!  This concept works all year long for any occasion.
 
Are you ready to party for pollinators?

By Phyllis Stiles, Bee City USA Founder & Pollinator Champion, Xerces Society

​As I retire as leader of Bee City USA this December 31st, I will be celebrating each and every Bee City USA and Bee Campus USA committee member and pollinator advocate. They are making the world better for pollinators—and people!

It’s all about physics. Remember the Butterfly Effect? Pioneer in chaos theory, Edward Lorenz, introduced the concept in 1963. Here’s the idea. When a butterfly flaps its wings, it sets air molecules in motion, starting a chain of events that can snowball and create ever bigger changes, eventually even a tornado or hurricane in another part of the world. While the butterfly doesn’t create the tornado, it may not have happened had that single butterfly not flapped its wings. Physicists have a term for this: sensitive dependence on initial conditions.

I have learned each of our actions, no matter how small, has the potential for far-reaching ripple effects. Every minute, hour, day, and lifetime offers untold opportunities for good when we begin with gratitude for the cacophony of lifeforms that coexist, cooperate, and collaborate on our planet.

Beginning around 2011, when I first realized how wondrous and essential the pollinators are to sustaining life on earth, combined with alarm over the existential threats they face, I wanted to do something. But what and how? I naively started talking to my friends and neighbors to invite their help. I was 55 years old and already working full-time fundraising for a university, I knew relatively little about pollinators or plants, and I had no financing to launch a local—much less national—program. But Margaret Mead’s wisdom echoed in my head, “Never doubt that a small group of thoughtful, committed citizens can change the world.  Indeed, it’s the only thing that ever has.”

​After December 31st, please feel free to contact me at beesneedflowers@gmail.com.  I plan to continue supporting Asheville's Bee City USA program and spending some time with my upright bass, doing yoga, hiking, reading the big stack of books next to my bed....I'll make my second trip to the Mexican monarch sanctuaries in January. My husband wants me to convert my home office back into a bedroom, but I don't know about that.

Bee City USA will be in good hands at Xerces.  Based at Xerces’ home office in Portland, Oregon, the new coordinator is Molly Martin. She has a master’s degree in Ecology, Evolution, and Conservation Biology from San Francisco State University where she studied pollinator ecology. Contact Molly at molly.martin@xerces.org. You are really going to enjoy getting to know her!

FURTHER READING
​Bee City USA Begins a New Chapter

By Phyllis Stiles, Bee City USA Founder & Pollinator Champion, Xerces Society
​
In honor of the hardworking pollinators that help our most nutritious foods grow and fruit, this Thanksgiving, why not make a vase of flowers the table centerpiece rather than a turkey? To us, flowers represent beauty, celebration, or sympathy in times of grief, but to pollinators, they represent a feast of pollen and nectar.
 
One in every three bites of food we eat is courtesy of insect pollination. This includes not only tasty things like chocolate, pumpkins and cranberries, but also foods that provide us with a major proportion of essential micronutrients like vitamins A & C, iron, zinc, folate, amino acids and antioxidants. Even the alfalfa and clover that cows eat to produce milk—from which we make cheese, butter and whipped cream—depend on pollinators.

​America’s Thanksgiving tradition commemorates a feast in 1621 shared by the Wampanoag Tribe and the Pilgrims. The pilgrims, religious separatists from England, spent a grueling winter off-shore aboard the Mayflower, a venture that claimed the lives of about half of the passengers. Momentarily pausing hostility between the indigenous people and the European colonists, Native Americans offered the English colonists much welcomed hospitality, honoring their tradition of celebrating the fall harvest.​

While the first pollinator to come to mind for most people is the honey bee, it, too, was a European immigrant that arrived on a ship in the 1620s. They soon met their plentiful American pollinator cousins—bumble, mason, squash, leafcutter and mining bees, as well as moths, beetles, hummingbirds, butterflies, bats and flies and thousands of other species. Pollinators travel from flower to flower feeding on or gathering nectar and pollen, and along the way pollinate flowers, enabling plants to make seeds to reproduce. That’s why we have fruits and nuts!​

​There are about 3,600 species of native wild bees in the United States, but their numbers are declining due to habitat loss, pesticide exposure, poor nutrition, climate change and diseases. Roughly a quarter of North America’s bumble bee species are in decline. Indeed, the previously widespread rusty patched bumble bee was added to the Endangered Species List in 2017.​

​When we take care of pollinators, we take care of so much more. By planting a diversity of plants that were here long before the colonists, and by avoiding insecticides, fungicides and herbicides, not only do we ensure food supplies for us and wildlife, we also encourage beneficial insects that prey on crop pests. All of the fragrant, colorful flowers aren’t so bad either.​

So, as you scoot that cranberry sauce onto your bite of turkey, thank a bumble bee. And when you savor that pumpkin pie, thank a squash bee. If it’s served a la mode, thank a leafcutter bee for pollinating the dairy cow’s alfalfa. If you chase it with a cup of coffee, thank a tropical stingless bee or fly.
 
Happy Thanksgiving to pollinators and people!​

Guest Blog By Shannon M. Westlake, PhD, Mississippi State University

​Human Dimensions of Pollinator Conservation
When someone says the buzz phrase “pollinator conservation” what is the first thing that comes to mind? Bees? Butterflies? Beetles? What about humans? The term "human" in this context may have negative connotations relating to habitat destruction or increased chemical use. While humans have contributed to pollinator decline, they also have a very important role to play in pollinator conservation.

Landholder Study of Pollinator Best Management Practices
The majority of native pollinator research efforts have focused on pollinator biology and ecology, rather than the sociology behind how people perceive and value pollinators. With my dissertation research, I aimed to study social aspects by investigating landholder attributes that affect their decisions of whether or not to adopt pollinator best management practices (BMPs), including using cover crops, creating field borders, and using targeted herbicides.

Survey Results
Over 1,400 landholders responded to the survey, with many interested in learning more about pollinator conservation and BMPs. The majority of landholders had adopted at least one pollinator BMP. Most landholders had more favorable than unfavorable attitudes toward the practices and some felt social pressures from others to use them. The primary influence on landholders’ intentions to adopt pollinator BMPs were their perceived constraints including adequate time, resources, and knowledge. Even if landholders have favorable attitudes and feel social pressure to adopt these pollinator BMPs, they still need to feel like they have the time, resources, and skills to actually use them.

Although the majority of landholders had previously adopted pollinator BMPs, many still reported they did not have adequate knowledge to use them. While awareness of pollinator declines continues to rise, knowledge of how to implement practices to protect these important invertebrates has not kept pace.
​
Through the grouping techniques, I was able to determine that those who were more familiar with the BMPs (i.e., Current Adopters who were using the practices at the time of taking the survey) had reported that they were more likely to use them in the future. They also reported greater knowledge, more favorable attitudes, and felt less constrained than those who reported they were no longer using the BMPs or had never adopted any. Agricultural landholders used more BMPs, had greater knowledge, more favorable attitudes, and felt less constrained than timber or non-production landholders.

Targeted Education & Outreach
So what does this all mean? The surveyed landholders used pollinator BMPs to a varying degree, yet their responses indicate that more knowledge cultivation is necessary to increase BMP adoption in the future. Currently, pollinator conservation messaging is broad because there are many ways to get involved and provide support. This lack of specificity in messaging means landholders do not have the knowledge they need to feel comfortable adopting pollinator BMPs. My research indicates that landholders would be better supported through a two-step approach:

By better targeting our education and outreach efforts, we may begin increasing knowledge and reducing the perceived constraints of landholders, allowing for increased adoption of these beneficial pollinator BMPs. ​

Humans Are the Solution
Although biological and ecological studies are essential for pollinator conservation, they are only two pieces of the puzzle. Human dimensions research is often overlooked in wildlife projects, yet it is a key component, especially if the goal is to increase the involvement of private landholders. Rural landholders provide a potential wellspring of support that could result in substantial change. We need to harness this interest by further studying human dimensions to provide more targeted support.
​
Although informative and interesting, my study is only the tip of the iceberg. There is a lot more we can discover about people’s connections to pollinator conservation. Recent studies have shown people’s interest in and support for pollinators, like the National Recreation and Park Association’s online and regional pollinator surveys, which provide further evidence of the need for more targeted support options for private landholders. 

​Now is the time to change the role of humans in pollinator conservation from problem to solution. By understanding attitudes, social pressures, knowledge, and constraints of private landholders, we can provide more targeted land management recommendations that lead to the adoption of pollinator BMPs and improve habitat connectivity and health. 

​Shannon recently completed her PhD at Mississippi State University. She is currently helping champion Mississippi State University's efforts to become a Bee Campus USA. 

Guest Blog by Becky Griffin, MPPPM Project Coordinator
beckygri@uga.edu
 
On August 23rd and 24th Georgians joined together to support insect conservation by counting insects in the Great Georgia Pollinator Census. Led by University of Georgia Extension, this community science initiative project resulted in over 4,600 counts submitted with over 133,000 insect visits tallied and reported. Eighty-five percent of Georgia’s 159 counties had participants submit results. As far as we know this is the only census of its kind in the country and so our tagline for the project was “Be Part of Georgia Pollinator History.”

​​Beginnings and Inspiration
 
Teachers leading school gardens and most community gardeners are not usually trained in entomology. Many Georgia gardeners do not know the difference between a beneficial insect and a pest; they struggle with insect identification. Often gardeners are unsure of how to make their garden friendly for beneficial insects like pollinators. The need for informed and educated gardeners is crucial to increase pollinator conservation, especially for teachers who are instructing students. This became increasingly evident as I traveled around the state assisting school and community gardeners with their garden issues.

Also, there has not been an overall pollinator inventory taken in Georgia. While providing current pollinator population data of interest, a census serves as a baseline for future research.
 
In 2017 we launched a pollinator census pilot project. Gardeners from fifty gardens agreed to participate. We used the results from the first pilot project and a follow-up project in 2018 to fine-tune our counting criteria. We wanted to ensure that the census was doable for our citizens while generating useful data. During late 2018 we finalized our process and announced the 2019 dates for the Great Georgia Pollinator Census.

Goals of the Project
 
Although the Great Georgia Pollinator Census was designed for any citizen to participate, we were especially interested in the participation of school groups, and especially those who have science, technology, engineering and math (STEM) programs and are perhaps working towards STEM certification. For Title 1 schools this was a science program at no cost. 

 Technology’s Role in the Census
 
A project website houses the project, including resources like lesson plans and class ideas for teachers.  ​

Continuing to use the hashtag #GaPollinators started with the 2017 pilot project., our social media campaign launched in January 2019,  A Facebook group, Georgia Pollinator Census, allowed us to provide educational snippets for participants, gearing them towards habitat creation and insect identification skills. Teachers could use these educational pieces, especially Fun Fact Fridays, on their smart boards and participate in on-line and face-to-face insect identification trainings.

​Project promotion started with creating sustainable pollinator habitat. Throughout the winter months we taught classes and used social media outlets to teach planting practices, give research-based plant recommendations and encourage best plant maintenance strategies. We also emphasized other insect habitat needs such as leaving bare, undisturbed ground, having wild areas around landscapes and the sustainable use of bee boxes.  During the spring we started teaching insect identification. Although the skills needed to participate in the census were not advanced, we needed to ensure that participants could tell a bee from a fly, a carpenter bee from a bumble bee, etc. We used social media for insect identification instruction and quizzes. Closer to August 2019 we encouraged practice census counts. 
 
University of Georgia Extension agents and Master Gardener Extension Volunteers were educated in train-the-trainer sessions so that they could host events, teach insect identification, and instruct their clients on how to participate in the census. Supported by the website, over 115 Extension census-related events took place in 2019.
 
Other stakeholder organizations were recruited as partners in the project. Partners were asked to promote the project and host events around the census. Partners included Bee City USA, Georgia Tech, Callaway Gardens, Georgia Native Plant Society, University of North Georgia, Georgia Department of Natural Resources, The Garden Club of Georgia and others. This project could not have been successful without our partners!
 
The director of Georgia Tech’s Urban Bee Lab joined me in a promotional video  This is just one example of multimedia tools used in the project. The local media, like the Farm Monitor, also promoted the project.
 
Insect Counting
 
Participants were asked to choose a favorite pollinator plant for counting, a plant showing insect activity. Each count took 15 minutes. During the census Georgians counted insects and put them in these categories:

• carpenter bees (For this study “carpenter bee” refers to the large Xylocopa genus of carpenter bee.)
• bumble bees
• honey bees
• small bees
• flies
• butterflies
• wasps
• other insects

Participants counted the number of times an insect landed on their plant so they were actually counting insect visits. Census locations were diverse! Insects were tallied at 4-H gardens, gardens from the Garden Clubs of America and Daughters of the American Revolution spaces. People participated at several Georgia State Parks. Businesses also participated with the Blue Ridge Humane Society hosting a count as well as Slow Pour Brewing Company. The golfers at Oaks Grove Golf Course and several Girl Scout Troops counted. The monks at Monastery of the Holy Spirit also participated. Individuals counted at home and with their families. We had a diverse group of counters!

​Participants uploaded their insect counts to the webpage. Extension personnel and entomologists were available to assist with any questions. Teachers, gardening groups, and individuals could print a certificate of participation from the website.  

​Impact of the Study
 
With enthusiastic counters submitting more counts than expected, we were very pleased with participation. When a concerned older gentlemen was having trouble uploading his counts to the website, he phoned me to ensure his counts would be registered. I was happy to upload his counts for him. The most frequent comment we heard was how wonderful it was to sit still for the 15 minutes and just watch the insects. This has been the most rewarding part of the census for me.
 
Here are some comments from participants: "I actually learned, for the first time, how to distinguish between carpenter and bumble bees and honey and small bees!" and "The fear you feel about pollinators decreases as your knowledge increases." A couple of comments from students: "Bugs love tomatoes." and "I got to see some animals that I have never seen before and to me that was really cool." And from an educator: "My fourth grade class was excited to see the number of pollinators. They oftentimes miss the smaller species, as they focus on the larger,  more noticeable, 'cuter' animals. This experience helped them gain an appreciation and understanding of how connected all species are to the health of this planet. Happily, they found beauty in all too!"
 
We have started sifting through the data and hopefully will have several articles submitted for publication beginning in late 2019.

Georgians mark your calendars! We will be repeating the census on August 21st and 22nd, 2020. 

By Phyllis Stiles, Bee City USA Founder & Pollinator Champion, Xerces Society
 
Most bees and other pollinator species are under stress, and while we wish could prescribe them some Prozac, the better action would be reducing as many of their stressors as possible. According to a United Nations study released in 2016, stressors include: fragmented habitat, poor nutrition, pesticides, diseases, parasites, and climate change, which are interacting to put 40% of insect pollinators at risk of extinction.

Step 2
Identify the meeting facilitator and promote the meeting–invite your email lists and run a guest editorial or ad in local media for a few weeks to announce the public meeting to recruit tree planters.

RESOURCES

• Native Trees Spreadsheet–Nearly comprehensive Excel spreadsheet of trees native to the United States with columns for pollinator usage; salt, drought and fire tolerance; browsing/grazing risk; and commercial availability. The "workhorse" column refers to trees known to establish well, that are readily used by revegetation experts. They receive a "workhorse/pollinator" designation if they are "workhorses" AND support pollinators.  This data is a portion of a national native plant database for restoration practitioners (http://www.nativerevegetation.org/era/) that Xerces contributed pollinator data to, as part of a project with FHWA, USFS, and others. 
• Xerces Blog: Climate News Round-Up: The Power of Trees!
• 100 Plants to Feed the Bees
• Heather Holm’s Tree & Shrub List
• Pollen Sources
• Nectar Sources
• USDA National Agroforestry Center Wildlife & Pollinator Resources
• Trees that are considered fall dig and transplant hazards, which include many of our natives. Note that this applies mainly to dug, balled and burlapped trees; container-grown trees should be safer as long as they are planted well, with roots spread out and in good contact with the native soil.

Wildlife & Watershed Focused Agroforestry (also benefiting pollinators)

• Working Trees for Wildlife - 2014
• Working Trees for Water Quality - 2012
• Riparian Forest Buffers - February 2017
• How to Plan for and Plant Streamside Conservation Buffers with Native Fruit and Nut Trees and Woody Floral Shrubs