Article · Wikipedia archive · Last revised Jun 30, 2026

Celastrina humulus

Celastrina humulus, the hops azure, is a species of blue in the family Lycaenidae. It is found in North America. The main host plant is wild hops. They can change their body temperature by behaviors like basking or sitting in shade. The hops azure has a mutualistic relationship with ants, called myrmecophiles.

Last revised
Jun 30, 2026
Read time
≈ 1 min
Length
261 w
Citations
10
Source
Celastrina humulus
Imperiled
Imperiled (NatureServe)1
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Genus: Celastrina
Species:
C. humulus
Binomial name
Celastrina humulus
Scott & D. Wright, 1998

Celastrina humulus, the hops azure, is a species of blue in the family Lycaenidae.2345 It is found in North America.3 The main host plant is wild hops. They can change their body temperature by behaviors like basking or sitting in shade.6 The hops azure has a mutualistic relationship with ants, called myrmecophiles.7

The MONA or Hodges number for Celastrina humulus is 4363.3.58

References

References

  1. "Celastrina humulus". NatureServe Explorer. NatureServe. Retrieved 31 May 2026.
  2. "Celastrina humulus Species Information". BugGuide.net. Retrieved 6 February 2018.
  3. "Celastrina humulus Report". Integrated Taxonomic Information System. Retrieved 6 February 2018.
  4. "Celastrina humulus Overview". Encyclopedia of Life. Retrieved 6 February 2018.
  5. "North American Moth Photographers Group, Celastrina humulus". Retrieved 6 February 2018.
  6. Puntenney, C. P., & Schorr, R. A. (2016). Patch occupancy and habitat of the hops azure (Celastrina humulus), a rare North American endemic butterfly: Insights for monitoring and conservation. Journal of Insect Conservation,20(2), 215-222. doi:10.1007/s10841-016-9855-0
  7. Schorr, R. A.; Maison, R. M.; Puntenney, C. P. (1 December 2020). "Multi-year occupancy of the hops blue butterfly (Celastrina humulus): habitat patch colonization and extinction". Journal of Insect Conservation. 24 (6): 927–934. doi:10.1007/s10841-020-00264-w. ISSN 1572-9753. Retrieved 20 March 2025.
  8. Pelham J.P. "A Catalog of the Butterflies of the United States and Canada, rev. 2017".
Further reading

Further reading

  • Ross H. Arnett (30 July 2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press. ISBN 978-0-8493-0212-1.