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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


Tribe Aciliini

Hot beetle - Acilius mediatus Another diving beetle - Acilius semisulcatus Acilius mediatus Acilius male at blacklight - Acilius - male  Acilius mediatus - Acilius mediatus Predaceous Diving Beetle - Acilius fraternus - female Acilius sp? - Acilius fraternus Acilius - Acilius sylvanus - female

Graphoderus perplexus Graphoderus perplexus Dytiscid - Graphoderus fascicollis Corixid - Graphoderus liberus Corixid - Graphoderus liberus Graphoderus liberus Thermonectus? - Graphoderus perplexus Graphoderus? - Graphoderus occidentalis

beetle - Thermonectus basillaris - male Thermonectus basillaris (Harris)  - Thermonectus basillaris - male 1011C10 - Thermonectus nigrofasciatus Thermonectus? - Thermonectus basillaris - female Male, sunburst diving beetle? - Thermonectus marmoratus - male Unknown beetle - Thermonectus basillaris Unknown Beetle - Thermonectus marmoratus Which water beetle? - Thermonectus nigrofasciatus