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Home » Guide » Arthropods (Arthropoda) » [obsolete rank] - elevate included Orders to Class (Entognatha) » Springtails and allies (Collembola) » Elongate-bodied Springtails (Arthropleona) » Entomobryidae » Entomobrya » Entomobrya atrocincta
Photo#92639
springtail - Entomobrya atrocincta
Copyright © 2007 Joyce Gross

springtail - Entomobrya atrocincta
Knowland Park, Oakland, Alameda County, California, USA
January 13, 2007
Size: 1+mm
Another Entomobrya multifasciata? with some darker markings?
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Contributed by Joyce Gross on 14 January, 2007 - 2:23am
Last updated 5 May, 2008 - 11:19am

Moved
Moved from Entomobrya multifasciata.
… Joyce Gross, 5 May, 2008 - 11:19am login or register to post comments

Entomobrya atrocincta, female
Recently a study was published on the sexual dimorphism of Entomobrya atrocinta. It turns out that the pigmentation pattern of the female E. atrocincta matches well with that of E. multifasciata. The most obvious difference between the female E. atrocincta and E. multifasciata is that in E. atrocincta the first thoracic segment (= the mesothorax) is white, while in E. multifasciata it is yellow as the other segments. Another characteristic for E. atrocincta is the anchorlike or arrowlike pattern between its eyes.

Conclusion: we have to reconsider our original ID: this is not E. multifasciata but the female of E. atrocincta.
… Frans Janssens, 5 May, 2008 - 3:25am login or register to post comments

Moved
Moved from Elongate-bodied Springtails.
Thanks Frans!
… Joyce Gross, 14 January, 2007 - 1:27pm login or register to post comments

Entomobrya multifasciata
Indeed a dark colour form.
collembola.org/taxa/entoinae.htm
… Frans Janssens, 14 January, 2007 - 7:33am login or register to post comments

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