The Department of Entomology at the University of Wisconsin – Madison is a world-class graduate training and research institution committed to advancing research in insect biology in both basic and applied contexts. 

We offer an MS and Ph.D. degree (ranked in the top 5 nationally) in Entomology and an undergraduate major. 

Our 15 faculty members along with our graduate students, postdoctoral associates, affiliated and emeritus professors offer a dynamic and interdisciplinary research and teaching environment to prepare students for a future in entomology.    

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Jumping Oak Galls
These tiny (~1mm wide) structures (galls) from oak leaves contain miniature wasp larvae (Neuroterus sp.). These particular galls are commonly known as "jumping oak galls" due to their rather unusual behavior: as the galls mature, they fall from plants and the galls jump around until landing in a secure place (often under leaf litter) where the insect larvae will pupate and turn into adults. Imagine coming home from work to find millions of jumping galls on your driveway!
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Maggie Lais, Tim A Paskewitz and 23 others like this

Laura HuberDo you have a photo of the galls on oak leaves that you could share? Do they form on both white and black oaks or just one family or the other?

1 week ago   ·  1

Maggie LaisSo when people talk about Mexican Jumping Beans, they are actually oak galls! Cool!

2 days ago   ·  1

Miguel ZavalaIn Mexico we call jumping beans...

6 days ago   ·  1

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It must be summer... Termites are out! ... See moreSee less

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Amy Rodriguez, Kari Steiger and 14 others like this

Susy MajewskiYou're the only person I know who would post this picture--I'm glad you're embracing your passion for bugs!!!

2 weeks ago

Chris MartinezAnd barf

2 weeks ago

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Graduate student Rachel Arango won an award to travel to this meeting of the International Research Group on Wood Protection. ... See moreSee less

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Nawaz Baloch, Elena Gratton and 23 others like this

Becky Hoffman GrayCongrats Rachel!

4 weeks ago   ·  1

Kenneth RaffaWay to go Rachel!

4 weeks ago   ·  1

Lou Mayfieldthe internet is broke... i can't find a funny cartoon about wood protection, just a bunch of pictures of people putting on varnish

4 weeks ago   ·  1

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Giving to Entomology

We deeply appreciate the support we receive from loyal alumni and friends.  Private gifts provide scholarships for deserving undergraduates, enable us to attract the best and brightest graduate students, help us to retain the most talented faculty and staff, and provide support for new initiatives.

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Recent Papers

2015. The effects of flower, floral display and reward sizes on bumble bee foraging behavior when pollen is the reward and plants are dichogamous.  International Journal of Plant Sciences 176(9): 811–819. DOI: 10.1086/683339.

2016. Descriptions of the mature larvae for two species of Pseudopyrochroa from Taiwan (Coleoptera: Pyrochroidae: Pyrochroinae), with notes on their natural history. Zootaxa 4061 (5): 585-595. http://doi.org/10.11646/zootaxa.4061.5.8

2016. Fungicides affect Japanese beetle Popillia japonica (Coleoptera: Scarabaeidae) egg hatch, larval survival and detoxification enzymes. Pest Manage. Sci. 72:966-973. DOI: 10.1002/ps.4076.

2016. Crop yield is correlated with honey bee hive density but not in high-woodland landscapes. Agriculture, Ecosystems & Environment 218:53–57. http://dx.doi.org/10.1016/j.agee.2015.11.001

2015. Reverse genetics in the Tidepool: Knockdown of target gene expression via RNA interference in the copepod Tigriopus californicus. Molecular Ecology Resources 15(4): 868–879. DOI: 10.1111/1755-0998.12359.

Faculty Profile

Gene flow, pollination biology and evolutionary biology
Insect Biochemistry and Endocrinology
Landscape ecology, food webs, conservation, biological control
Vegetable crops IPM, insects in relation to plant disease, resistance management
Fruit Crop Entomology/Pollination Ecology research and extension
Population Ecology, Pest Management
Chemical ecology, climate change, trophic interactions, "genes to ecosystems" ecology, bioenergy
Medical Entomology
Forest Entomology, Insect Ecology, Plant-Insect Interactions, Chemical Ecology
Molecular ecology, population genetics, climate change, alpine biology
Cranberry IPM, community ecology, biological control
Turfgrass and Ornamental Entomology Research and Extension
Teaching Entomology, Systematics of Coleoptera
Spatial/temporal statistics with applications in biology, ecology, and environmental sciences

Insect Research Collection

The UW Insect Research Collection (WIRC) houses 3,000,000 curated specimens with more than 5,000,000 additional specimens held largely as EtOH bulk samples sorted by project or Order.  The WIRC is the result of nearly 170 years of collecting by amateur and professional entomologists.  Although worldwide in general scope, as the only Wisconsin entomological collection with a largely research-based mission, the WIRC focuses primarily on the entomofauna of Wisconsin and the Upper Midwest & Great Lakes regions.


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