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Melanocanthon bispinatus

Melanocanthon bispinatus
7 km east of Paw Paw, Morgan County, West Virginia, USA
July 23, 1989
Size: 8 mm
Rolling a mushroom in very dry shaley upland deciduous oak-hickory forest. ID by Phil Harpootlian.

Images of this individual: tag all
Melanocanthon bispinatus Melanocanthon bispinatus

ID tips
Not a great photo. My camera and, more importantly, photographic skills do not function well under one half inch. But, luckily you can still just see the quadrate clypeus and the two spines at the apex of each hind tibia, that Phil Haprpootlian tells me are the key identifiers for this species. Thanks again Phil!

to genus
The quadridentate clypeus (center pair pronounced) and two apical spurs of the hind tibia (unique among the Scarabaeinae) will differentiate this genus. The spp. are tough to ID without the genitalia, range, when possible is the easiest way.

Nice shot - the dull black spp. have to be tough to photograph. Good to have in guide.

Guide comments
Phil, when you get a chance, could you add some comments on keying the genera to the guide page for this tribe?

a start
added some info - we still need (sub)genera;
1. Pseudocanthon sp.
2. Clear shot of Canthon (Boreocanthon) sp. showing head detail
3. Canthon (Glaphyrocanthon) sp.

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