Article · Wikipedia archive · Last revised Jul 22, 2026

Excastra

Excastra is a genus of beetles in the family Cerambycidae. It is monotypic, with only species Excastra albopilosa. The beetle is furry, and is thought to have evolved to mimic an insect that has been killed by a fungus, as a way of deterring predators.

Last revised
Jul 22, 2026
Read time
≈ 1 min
Length
164 w
Citations
5
Source
Excastra
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Cucujiformia
Family: Cerambycidae
Tribe: Desmiphorini
Genus: Excastra
Tweed, Ashman & Ślipiński, 20241
Species:
E. albopilosa
Binomial name
Excastra albopilosa
Tweed, Ashman & Ślipiński, 20241

Excastra is a genus of beetles in the family Cerambycidae. It is monotypic, with only species Excastra albopilosa.1 The beetle is furry, and is thought to have evolved to mimic an insect that has been killed by a fungus, as a way of deterring predators.2

The holotype of Excastra albopilosa is the only known specimen and measures 9.7 mm (0.38 in) in total length.1

References

References

  1. Tweed, James M.H.; Ashman, Lauren G.; Ślipiński, Adam (2024). "Excastra albopilosa, a remarkable new genus and species of Lamiinae (Insecta: Coleoptera: Cerambycidae) from southeastern Queensland, Australia" (PDF). Australian Journal of Taxonomy. 54: 1–8. doi:10.54102/ajt.iv1x5. ISSN 2653-4649. Retrieved 21 March 2024.
  2. Turnbull, Tiffanie (21 March 2024). "Newly discovered Australian beetle almost mistaken for bird poo". BBC News. BBC. Retrieved 21 March 2024.