Invertebrate Photographs - Coleoptera (beetles)

Feel free to use these photographs on any of your government, citizen or not-for-profit Web sites. I only ask that you credit this Web site page and acknowledge the name of the photographer in the alt tag. Please email us if you need higher resolution photos or permissions for other purposes. In the coming weeks, I will better organize this section. All photographs marked with ESC were taken at USEPA's Region 3 Environmental Science Center at Fort Meade, Maryland. Many thanks to Dave Russell, invertebrate biologist, for arranging the use of the miscroscope with a photo adapter.

Coleoptera (beetles)

Gyrinidae larve - ESC	Gyrinidae larve - 2 pairs of terminal hooks -ESC	Adult beetle (Coleoptera) - ESC
*Haliplidae - Peltodytes sp.* - ESC**	*Haliplidae - Peltodytes sp.* - ESC**	*Haliplidae - Peltodytes sp.* - ESC**
Psephenidae - Psephenus sp. Water-penny larvae	Psephenidae - Psephenus sp. Water-penny larvae ESC	Psephenidae - Psephenus sp. Water-penny larvae ESC
Elmidae - note the operculum on last segment	Elmidae -Riffle beetles (adult and larvae)	Elmidae - Ancyronyx variagata
Ptilodactylidae - Riffle beetle larvae - note the lack of operculum on last segment	Dryopidae - Helichus sp.	Dyticidae - Heterosternut awickhami

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Invertebrate Photographs - Coleoptera (beetles)

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