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

Interested in a 2022 BugGuide gathering in New Mexico?

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 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.

Previous events


Subfamily Dytiscinae

Vertical Diving Beetle - Dytiscus verticalis Boreal Water Beetle - Dytiscus alaskanus - male huge beetle larva - Dytiscus Understriped Diving Beetle? - Dytiscus fasciventris Large Diving Beetle (Dytiscus sp?) - Dytiscus verticalis Unidentified Dytiscus species - Dytiscus cordieri Dytiscus? - Dytiscus hatchi - female Tropisternus lateralis - Dytiscus marginicollis

Dytiscidae - Eretes sticticus - male Water Beetle - Eretes sticticus  Eretes occidentalis Female? - Eretes sticticus - female Dytiscinae - Eretes Eretes explicitus Eretes larva - Eretes Eretes larva - Eretes Eretes - female

Pair of Predacious Diving Beetles - Acilius mediatus - male - female Predaceous Diving Beetle - Graphoderus occidentalis - Graphoderus perplexus ribbed-elytra water beetle - Acilius semisulcatus - female dytiscid - Thermonectus intermedius Water beetle larva? - Acilius Predaceous diving beetle - Acilius abbreviatus - male Aquatic beetle - Thermonectus basillaris Diver Sep 21 - Acilius abbreviatus

Water beetle - Hydaticus bimarginatus Guide Page needed for this species - Hydaticus bimarinatus - Hydaticus bimarginatus Predacious Diving Beetle - Hydaticus piceus Predacious Diving Beetle - Hydaticus piceus  Rhantus sp.? - Hydaticus aruspex Predaceous Diving Beetle - Hydaticus bimarginatus - male Prodaticus bimarginatus - Hydaticus bimarginatus Hydaticus bimarginatus - female