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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Ground Beetles (Carabidae) » Harpalinae » Harpalitae » Lebiini » Lebiina » Colorful Foliage Ground Beetles (Lebia) » subgenus Loxopeza (Lebia subgenus Loxopeza) » tricolor group (Lebia tricolor group) » Lebia tricolor
Photo#606376
Lebia tricolor
Copyright © 2012 Tim Moyer

Lebia tricolor
Medford, (~25 miles east of Philadelphia, PA) Burlington County, New Jersey, USA
June 8, 2011
Size: 7.7mm
believe this one to be Lebia tricolor, vs. L. viridipennis, based on larger size, and coloration differences. But if someone can provided better characteristics to separate these two somewhat similar species, we should probably update their respective info pages. D&A's key would seem to only work on males at best.

If L. tricolor, a first for my backyard (unless previously overlooked as L. viridpennis)

came to UV light

Images of this individual: tag all
Lebia tricolor Lebia tricolor
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Contributed by Tim Moyer on 10 January, 2012 - 11:44am

Lebia's
I don't have my references available to delve into key characters, but what strikes me as a very distinctive difference between the images of the two species is the much more distinctive, noticeably impressed elytral striae of the images of L. tricolor as compared to those of L. viridipennis, which seem very fine and lightly impressed. It also seems that L. viridipennis has dark knees, while the L. tricolor have all pale legs. I don't know whether the leg coloration is variable, but the difference in elytral striae should be reliable.
… Brad Barnd, 10 January, 2012 - 1:25pm login or register to post comments

 
Looking at Madge's revision of Lebia
I see a couple more characters. (1)

Subgenus Loxopeza (including L. tricolor) has an upper protibial spur, whereas it is absent in most other Lebia.

L. tricolor has antennae and palpi pale. Images of L. viridipennis on BG have partly darkened antennae and dark palpi.
… Brad Barnd, 11 January, 2012 - 11:46am login or register to post comments

 
thanks Brad,
that's all better than counting on a male's protarsal claw
… Tim Moyer, 11 January, 2012 - 4:30pm login or register to post comments

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