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

Spring 2021 gathering in Louisiana, April 28-May 2

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


flagellum, flagellomere

Alloterra trilineata - Alloterra trilineatus - female Antenna - Clinohelea bimaculata - female Blue Streaks (ventral head) - Psorthaspis planata - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (F)
No Taxon flagellum, flagellomere
Antennal unit.
The three basic units of an insect antenna are the: scape (base), the pedicel (stem), and the flagellum, a whip-like structure. Each segment of the flagellum is referred to as a flagellomere.
Internet References
Images linked to above are from Tree of Life and Matthew Kweskin (dead links as of 27 November 2020--replaced with links to BugGuide glossary entries)