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Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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


aposematism, aposematic (coloration)

Banded Net-wing - Calopteron reticulatum Diurnal Firefly - Ellychnia corrusca Passionflower Flea Beetle - Disonycha discoidea Monarch For Illinois In May - Danaus plexippus - female Monarch - Danaus plexippus Atala Ovipositing - Eumaeus atala - female Pink-spotted Hawk Moth - Agrius cingulata Small Milkweed Bug - Lygaeus turcicus Dasymutilla occidentalis - female Common Aerial Yellowjacket - worker - Dolichovespula arenaria - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (A)
No Taxon aposematism, aposematic (coloration)
Explanation of Names
Aposematic is from Greek apo- away, plus sematic, warning (from Greek sema, semat, sign).
aposematism noun, aposematic adjective, usually as aposematic coloration - also called warning coloration, colors or patterns that advertise unpalatability, toxicity, or danger to predators via stingers, etc. Warning colors are often the subject of mimicry by organisms without the dangerous characteristics. There are examples in many groups.
See Also
aposematic coloration
Print References
Gordh, A Dictionary of Entomology, p. 68 (1)
Internet References
Wikipedia: Aposematism
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.