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

Upcoming Events

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of 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

Previous events


Species Oligotoma nigra - Black Webspinner

Webspinner sexes compared - Oligotoma nigra - male sd ╬ - Oligotoma nigra San Diego Webspinner - Oligotoma nigra - male San Diego Webspinner - Oligotoma nigra - male Mystery Insect  - Oligotoma nigra Mystery Insect  - Oligotoma nigra - male Webspinner - Oligotoma nigra 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)
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)