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Home » Guide » Arthropods (Arthropoda) » [obsolete rank] - elevate included Orders to Class (Entognatha) » Springtails and allies (Collembola) » Globular Springtails (Symphypleona) » Sminthuridae » Allacma » Allacma fusca
Photo#129180
Globular Springtail - Allacma fusca
Copyright © 2007 tom murray

Globular Springtail - Allacma fusca
Groton, Middlesex County, Massachusetts, USA
July 20, 2007
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Contributed by tom murray on 21 July, 2007 - 10:03am
Last updated 22 July, 2007 - 8:27pm

Thanks Frans
Another new genus and species for the guide. I'm still looking for new ones, but most that I'm finding are ones I've already photographed.
… tom murray, 22 July, 2007 - 8:27pm login or register to post comments

Allacma (Trochopilosa) purpurescens
Allacma fusca, given the black uniform colour, forma picea (an infraspecific colour form) was my first ID.

But comparing it with your new recent picture, I would not consider it anymore as Allacma s.s.. The 4th antennal segment is too long...

Allacma (Trochopilosa) purpurescens is placed in a special subgenus of Allacma: Trochopilosa.

Sorry for the confusion caused...
… Frans Janssens, 22 July, 2007 - 6:34pm login or register to post comments

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