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

TaxonomyBrowse
Info
ImagesLinksBooksData

Family Stylopidae

Bee, and its little friend - Stylops Bee plus hitch hiker  - Stylops another bee - Stylops Doin the Dirty - Halictoxenos - male 3rd time's a charm - Halictoxenos ID of parasite on Andrena Bee - Stylops Male strepsipteran (Stylopidae) eclosing from a parasitized mining bee, Andrena sp. (Andrenidae) - Stylops - male Strepsiptera Mating - Stylops - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Strepsiptera (Twisted-winged Insects)
Family Stylopidae
Synonyms and other taxonomic changes
demoted to Stylopinae by Kinzelbach (1971); promoted back to Stylopidae by Pohl (2002)
Explanation of Names
Stylopidae Kirby, 1813
Numbers
51 spp. in 5 genera in our area;(1) 163 spp. in 9 genera worldwide(2)
1. Crawfordia (4 spp.; Hosts: Andrenidae - Panurginus, Pseudopanurgus): IL-NE to NM-CA
4. Eurostylops (4 spp.; Hosts: Halictidae - Conanthalictus, Dufourea, Halictoides): CA, WA
2. Halictoxenos (5 spp.; Hosts: Halictidae - Halictus, Augochlora): DC-WI to AL-CA
3. Hylecthrus (1 sp.; Hosts: Colletidae - Hylaeus): CO-AZ-CA
5. Stylops (37 spp.; Hosts: Andrenidae - Andrena): across the US north to ME-ND-WA
Identification
Males have 4-segmented tarsi, usually 6-segmented antennae (4 in Crawfordia), metacoxae, and aedeagus; females have a flattened cephalothorax with 2-5 genital apertures.(3)(1)
Range
worldwide(4)
Food
Parasitic on bees (Andrenidae, Colletidae, Halictidae, and Melittidae)(2)
Print References
Balzer, Z.S. & Davis, A.R. (2019). Description of the Adult Male of Stylops advarians Pierce (Strepsiptera: Stylopidae). Zootaxa 4674 (4): 496–500 (Full Text)
Bohart, R.M. (1936). A preliminary study of the genus Stylops in California (part 1) (Strepsiptera/Stylopidae). The Pan-Pacific Entomologist, 12, 9–19. (Full Text)
Bohart, R.M. (1941). A revision of the Strepsiptera with special reference to the species of North America. University of California Publications in Entomology, 7, 91–160.
Bohart, R.M. & Irwin, M.E. (1978). A Study of Stylopization in the Bee Genus Dufourea. The Pan-Pacific Entomologist, 54, 98–102. (Full Text)
Hoffmann, M., Gardein, H., Greil, H., & Erler, S. (2023). Anatomical, phenological and genetic aspects of the host-parasite relationship between Andrena vaga (Hymenoptera) and Stylops /ater (Strepsiptera). Parasitology, 150(8), 744–753. (Full Text)
Nakase, Y. & Kato, M. (2021). Bee-Parasitic Strepsipterans (Strepsiptera: Stylopidae) Induce Their Hosts' Flower-Visiting Behavior Change. Journal of Insect Science, 21(5): 2; 1–5 (Full Text)
Pierce, W.D. (1909). A monographic revision of the twisted winged insects comprising the order Strepsiptera Kirby. Bulletin of the United States National Museum, 66, 1–232. (Full Text)
Pierce, W.D. (1918). The comparative morphology of the order Strepsiptera: together with records and descriptions of insects. Proceedings of the United States National Museum, 54, 391–501. (Full Text)
Works Cited
1.Annotated catalog of the order Strepsiptera of the World
Jerry L. Cook. 2019. Transactions of the American Entomological Society, 145(2):121-267.
2.Description of the Adult Male of Stylops advarians Pierce (Strepsiptera: Stylopidae)
Zachary S. Balzer & Arthur R. Davis. 2019. Zootaxa 4674 (4): 496–500.
3.What Bug Is That? The guide to Australian insect families
4.Kathirithamby J. Strepsiptera (in The Tree of Life Web Project)