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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Whirligig Beetles (Gyrinidae) » Gyrininae » Gyrinus » subgenus Gyrinus (Gyrinus subgenus Gyrinus) » Gyrinus gehringi
Photo#553002
Whirligig Beetle - Gyrinus gehringi - male
Copyright © 2011 tom murray

Whirligig Beetle - Gyrinus gehringi - Male
Dummer, Coos County, New Hampshire, USA
July 26, 2011
Size: 5.8mm
Taken near rocks at the edge of the Androscoggin River.

Images of this individual: tag all
Whirligig Beetle - Gyrinus gehringi - male Whirligig Beetle - Gyrinus gehringi - male
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Contributed by tom murray on 27 July, 2011 - 7:25pm
Last updated 20 November, 2011 - 9:15pm

Gyrinus gehringi (Fall)
Based on examination of photovoucher; This is a male specimen; some diagnostic characters include uniformly red underside (including abdominal sternites), large size, hardly noticeable microsculpture, and features of the aedeagus (slender, gradually tapering to a point). Most similar to G. lecontei, but that species has the abdominal sternites darker (brownish) medially bordered with red and has the aedeagus broader.
… Tim Loh, 18 November, 2011 - 12:16pm login or register to post comments

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