Robertus vigerens
(Chamberlin & Ivie, 1933)
Robertus vigerens is a of cobweb spider in the Theridiidae, first described by Chamberlin and Ivie in 1933. It is a small spider native to North America. The species is known from a limited number of observations and appears to have a restricted distribution within its range.
Pronunciation
How to pronounce Robertus vigerens: /rɔˈbɛrtʊs ˈviɡɛrɛns/
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Distribution
United States and Canada; specifically recorded from Alberta and British Columbia in Canada.
Behavior
Constructs cobweb-style webs typical of the Theridiidae.