Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Oligotoma nigra - Black Webspinner

A critter that was drawn to an outdoor house light. - Oligotoma nigra Black Webspinner - Oligotoma nigra - male Snakefly - Oligotoma nigra unknown insect - Oligotoma nigra webspinner - Oligotoma nigra - male Needzaname - Oligotoma nigra Black Webspinner? - Oligotoma nigra - male Black Webspinner? - Oligotoma nigra - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Embiidina (Webspinners)
Family Oligotomidae
Genus Oligotoma
Species nigra (Black Webspinner)
Explanation of Names
Oligotoma nigra (Hagen 1866)
Latin niger 'black'
>9 mm
most of body uniformly blackish or dark brownish; only males have wings
native to India, now widespread in the tropics globally; in our area, sw. US (TX-CA-UT)(1)
winged males come to lights
probably introduced to NA in the late 1800s in date palm cuttings from Egypt/Persian Gulf (Ross 1957)
See Also
O. saundersii is similar but doesn't currently occur west of TX
Internet References
Fact sheet (Bartelt 2011)(2)