Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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antenna, antennae, antennomere

Representative Images

Insect antenna forms Insect antenna forms

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (A)
No Taxon antenna, antennae, antennomere

Explanation of Names

From Latin antenna, meaning a sail-yard (rope for hauling up or securing sails). Latin word is from Greek ana, up, plus teinein, to stretch (1).

Identification

antenna, noun, plural antennae or antennas, adjective antennal - One of the paired, flexible, segmented sensory appendages on the head of an insect, myriapod, or crustacean functioning primarily as an organ of touch. The segments of the antenna are called antennomeres.

Insect antennae have a variety of morphologies, frequently useful in identifying insect families. Specialized terminology is shown in the diagram above.

Examples of some uncommon antennae:

Remarks

Examples of antenna cleaners on legs:

Print References

Gordh, A Dictionary of Entomology, p. 56 (1)

Internet References

Works Cited

1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.