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LOGAN, Utah — Exotic Bee ID, a website created through a collaborative effort between the U.S. Department of Agriculture’s Agricultural Research Service (ARS) and Animal and Plant Health Inspection Service (APHIS) and Utah State University (USU) to help identify non-native bees in the U.S., has been expanded to include more information and species.

While Exotic Bee ID is designed primarily as a screening tool for those who monitor and intercept non-native bees coming into the country, such as people working at ports of entry, state agriculture departments and university extension services, it is also set up for use by growers, hobbyists and home owners — that is, essentially anyone with an interest in identifying bees. Access to the website is free.

Unveiled in 2018, the original website provided information and identification resources for honeybee species and Megachilidae — the taxonomic family that includes leafcutter bees, mason bees and resin bees. The expansion added information and species level ID guides for selected exotic and native bees from the genera of wool carder bees and additional mason bees.

“We focused on these groups as they include the majority of non-native bees that either have already been introduced or have a high potential to invade the U.S. and then some of their look alike natives,” said Terry L. Griswold, entomologist with the ARS pollinating insect-biology, management, systematics research unit in Logan, Utah, who is the ARS collaborator for the website. “Introductions of new species can have negative consequences from bringing in new pathogens and parasites to displacing native species. Ultimately, this easy-to-use, accurate website could help reduce native pollinator losses.”

One feature of Exotic Bee ID is the identification guides, which can be entered on anything from color of parts of the insect’s anatomy, presence and placement of hairs, leg shape, distribution ranges or other elements. This is unlike conventional keys that are set up to make binary yes/no decisions in a predetermined order of characteristics that entomologists build to identify bees.

“You start your search for an ID in the key using whatever features you feel comfortable recognizing. While many of the physical traits can only be seen using a microscope, if you are looking at a live bee or a photo you took with your phone you can narrow down your options using features you can see,” said USU Exotic Bee ID project coordinator Skyler Burrows. “Or you can just start looking at the photos in the website’s gallery for similar looking bees.”

For example, if you find an unfamiliar bee defending a lamb’s ear plant in your Chicago garden by flying in small circles, taking a closer look may allow you to see yellow bands on the back of the abdomen that are separated in the center to form a black “v-shape” and even possibly the pollen collecting hairs on the underside of the abdomen. Keying these physical traits will narrow the possible identification from hundreds to 14. When you add in the behavior and range, there is only one ID: European Wool Carder bee (Anthidium manicatum).

A native of Europe, Asia and North Africa, the European Wool Carder bee was accidently introduced into the United States in the 1950s and has since spread across the country.

The nucleus of information that forms Exotic Bee ID comes from ARS’ U.S. National Pollinating Insects Collection, a collection of more than 1.6 million specimens from around the country and the world, also housed in Logan, Utah.

The Exotic Bee ID website has been augmented with high resolution photos taken by a camera that can magnify insect parts 1000X and then automatically stitch the photos together; sometimes more than hundreds of individual shots to create images as large as a gigabyte.

Fact sheets and access to maps showing the locations of finds also were added.