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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Springtails and allies (Collembola) » Elongate-bodied Springtails (Entomobryomorpha) » Isotomidae » Anurophorinae » Anurophorus » Anurophorus near-septentrionalis
Photo#1302589
Springtail - Anurophorus near-septentrionalis
Copyright © 2016 Charley Eiseman

Springtail - Anurophorus near-septentrionalis
Lost Farm, Nantucket, Nantucket County, Massachusetts, USA
June 12, 2016
Size: 1.3 mm
Found under a bark flap made by a Marmara larva.

Images of this individual: tag all
Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis Springtail - Anurophorus near-septentrionalis
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Contributed by Charley Eiseman on 9 October, 2016 - 7:58pm
Last updated 10 October, 2016 - 5:49pm

Moved
Moved from Anurophorus.

Sorry I didn't collect it!
… Charley Eiseman, 10 October, 2016 - 5:49pm login or register to post comments

Moved
Moved from Springtails and allies.
… Charley Eiseman, 10 October, 2016 - 1:18pm login or register to post comments

Anurophorus sp.
There are 14 described Nearctic species.
The key in Christiansen & Bellinger (1998) starts with 'number of eyes'.
5+5 or 6+6 or 8+8?
… Frans Janssens, 10 October, 2016 - 12:47pm login or register to post comments

 
Eyes
With the resolution of my photos it's hard for me to be sure which dots are eyes and which are setae, but maybe you can make sense of the three shots I just added?
… Charley Eiseman, 10 October, 2016 - 1:08pm login or register to post comments

 
Anurophorus nr septentrionalis
seems to be the best match. Thx for posting the extra shots.
There are 8+8 eyes (an anterior group of 5 and a posterior group of 3). 10 species have 8+8 ocelli... But the 5th+6th abdominal segments are fused and there are about 6 transverse rows of setae. This condition matches quite well with septentrionalis. According to C&B (1998) quite common in the USA. But also quite variable. So several (new?) species might be involved... And Potapov (2001:56) says that presence of septentrionalis in North America is hardly possible...
Therefore A. nr septentrionalis is the best match for now.
… Frans Janssens, 10 October, 2016 - 3:03pm login or register to post comments

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