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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
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'
>9 mm
most of body uniformly blackish or dark brownish; only males have wings
sw. US (TX-CA-UT) - Map (1)(2); native to India, now widespread in the tropics globally
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
Print References
Hagen. 1885. Monograph of the Embidina. The Canadian Entomologist 17(9): 171-178.
Internet References
Texas Invasives (Bartelt 2011)(3)