Lopez-Uribe Lab

08/19/2026

A Penn State apiarist at Ag Progress Days demonstrated how honeybee drones find the queen in order to mate.

08/11/2026

NEW BOOK! Free download!

The Bee Genera of North and Central America (Hymenoptera: Apoidea): Second Edition

This second edition presents a fully updated treatment of the bees of North America, with illustrated keys to the genera, notes on the biology, ecology, and classification of each of the 173 genera, and color habitus photographs of both the male and female of each genus. Smaller, more manageable keys with improved illustrations and images help make this edition essential to identification by bee researchers for the foreseeable future.

Smithsonian Scholarly Press
Download PDF 👉https://hymenoptera.short.gy/GCdh1P

07/30/2026

Unfortunately, yellow-legged hornets have been found in North Carolina.

07/30/2026

Sign up for “Introduction to Honey Bee Microscopy” 🔬
August 8 @ 10:00 am – 12:00 pm
At St James School in East Falls
You don’t need to be experienced or a scientist to enjoy this incredible journey into the microscopic world of bees, varroa, small hive beetle vs wax moth larvae, and more ‼️

Join Dr. Robyn Underwood from Penn State Extension
for a hands-on exploration of bees and their pests. Get up close and personal with pinned worker bees, varroa mites, small hive beetle and wax moth larvae, and more. Use a dissecting microscope to understand why swiffer pads catch shb adults, how to look for tracheal mites, what is contained in bottom board debris, etc. No previous experience required.

Sign up at our events page ( 🔗 in IG bio) at phillybeekeepers.org

07/30/2026

🍯 Did you know that honey produced in the continental U.S. may actually be as pesticide-free as imported organic honey?

Our latest research shows that honey produced by organically managed honey bee colonies in the northeastern US is comparable to imported certified organic honey. Our findings highlight the need to rethink how organic honey is certified and labeled in the US. With some changes to the current organic beekeeping guidelines, it may be possible to support local beekeepers in producing organic honey bee products that meet high organic standards and are safe for consumers.

Read more about the study here: https://www.psu.edu/news/agricultural-sciences/story/honey-continental-us-may-be-pesticide-free-imported-organic-honey

The original study is open access:
https://www.sciencedirect.com/science/article/pii/S004896972600714X?via%3Dihub

Honey from the continental U.S. can’t currently be certified organic due to specific land requirements, but farms in the Northeast may still produce honey that is as low in pesticide residue as imported organic honeys, according to a new study led by researchers at Penn State, Cornell University a...

07/06/2026

Highlights of some of our ongoing work in collaboration with Master Gardeners at Penn State Extension

A Penn State Extension Master Gardener might spend one day helping a home gardener select pollinator-friendly plants and another collecting data that could help researchers better predict which flowers attract bees and butterflies. During National Pollinator Week, June 22-28, Master Gardeners across...

06/11/2026

🌺🐝New paper from our lab. How do bee communities change as we move from tropical lowlands to the high Andes? This study highlights how elevational gradients shape pollinator communities and functional traits.

We surveyed bee communities across a 3,000-meter elevational gradient in the Colombian Andes, spanning 14 sites from lowland forests to high-elevation ecosystems. We found dramatic changes in bee diversity and community composition with elevation. Sites separated by more than 1,000 meters in elevation shared less than 1% of their species, highlighting the extraordinary biodiversity turnover that characterizes Andean landscapes.

Bee richness declined sharply with elevation, from an average of 26 species at lower elevations to just 3–4 species above 3,000 meters. We also found that high-elevation bee communities were composed of larger-bodied species with relatively shorter wings and legs, patterns consistent with classic ecological predictions related to thermoregulation.

These findings provide the first comprehensive assessment of how bee diversity and functional traits vary across an elevational gradient in the Andes. As climate change continues to alter mountain ecosystems, understanding how bee communities are distributed across elevation is essential for predicting future impacts on biodiversity and pollination services.

📖 Read the article here: https://doi.org/10.1111/btp.70220



Universidad Militar Nueva Granada
National Science Foundation (NSF)

Photos of bee specimens collected in the Colombian Andes across a nearly 3000 m elevational cline. They are arranged to illustrate both the decline in richness with elevation and the increase in comm...

06/03/2026

We are happy to announce this new course on the Biology of Wild Solitary Bees, offered this Fall through Penn State Extension. The course will run weekly from September 15 to November 3 (Tuesdays at noon ET). Do not miss the opportunity to receive the early-bird rate by registering before August 15, 2026.
Please share with anyone who may be interested!

Apiculture Extension at Penn State
Penn State Extension Master Gardeners

Explore the biology, ecology, and evolution of wild solitary bees and learn how to support pollinator conservation through science-based research and stewardship.

05/02/2026

https://www.psu.edu/news/agricultural-sciences/story/penn-state-extension-bee-monitoring-workshop-abuzz-new-highlights-bees

04/22/2026

Beekeepers! We need to hear from you.