Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Oligotoma nigra - Black Webspinner

Unidentified Webspinner - Oligotoma nigra - male unknown insect - Oligotoma nigra Bug4 - Oligotoma nigra San Diego Webspinner - Oligotoma nigra - male Male Black Webspinner? - Oligotoma nigra female - Oligotoma nigra Winged Webspinner? - Oligotoma nigra Webspinner - Oligotoma nigra
Classification
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)
niger (L). 'black'
Size
>9 mm
Identification
most of body uniformly blackish or dark brownish; only males have wings
Range
sw. US (TX-CA-UT) - Map (1)(2); native to India, now widespread in the tropics globally
Habitat
winged males come to lights
Remarks
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
Print References
Hagen. 1885. Monograph of the Embidina. The Canadian Entomologist 17(9): 171-178.
Internet References
Texas Invasives (Bartelt 2011)(3)