Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#1961146
Bourletiella arvalis? - Bourletiella arvalis

Bourletiella arvalis? - Bourletiella arvalis
Peru, LaSalle County, Illinois, USA
April 26, 2021
I struggle to tell B. arvalis from S. henshawi.

Is there an easy way to differentiate the two?

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Bourletiella arvalis? - Bourletiella arvalis Bourletiella arvalis? - Bourletiella arvalis

Moved

Bourletiella arvalis
Will do fine, indeed.
The diff with S. henshawi is :
in B. arvalis ant.4 is subdivided
in S. henshawi not subdivided

 
Great info
Thank you Frans!