Chlaenius nigricans
Chlaenius nigricans, India
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Carabidae
Subfamily: Harpalinae
Genus: Chlaenius
Subgenus: Epomis
Species:
C. nigricans
Binomial name
Chlaenius nigricans
(Wiedemann, 1821)
Synonyms

Epomis nigricans Wiedemann, 1821

Chlaenius nigricans is a species of ground beetle native to the Palearctic. It is known from Borneo, China, India, Indonesia, Japan, Myanmar, North Korea, South Korea, Sri Lanka, and Taiwan.[1][2]

Adult beetles are metallic copper-green colored, with a striking yellow-orange rim on the elytra and mostly yellow-colored legs and antennae. They are 19.5-22 millimeters in length.[3]

The larvae reach a body length of up to 20 millimeters. They are yellow with black markings. Like many ground beetle larvae they are elongated with two extensions (OroGomphi) at the rear end. They have characteristic double-hooked mandibles. The larvae feed exclusively on amphibians,[4][5] which they lure by making prey-like movements.[6] The adult beetles are generalist predators, but can also feed on amphibians much larger than themselves.[3]

References

  1. ↑ Lorenz, Wolfgang (2021). "Carabcat Database". doi:10.48580/dfqf-3dk. Retrieved 2023-03-04.
  2. ↑ "Chlaenius nigricans Wiedemann, 1821". Catalogue of Life. Retrieved 2023-03-23.
  3. 1 2 Toshiaki, H. (2006). Predation by a carabid beetle (Chlaenius nigricans) on a juvenile frog (Rana nigromaculata). Bulletin of the Herpetological Society of Japan 2: 99-100.
  4. ↑ Shiina, M., and Tachikawa, S. (1988). The life history of Epomis nigricans and its larval stage feeding on toads. Abstracts of the 48th Annual Meeting of the Entomological Society of Japan, p. 35. Nishibaru, Okinawa.
  5. ↑ Tachikawa, S. (1994). Predation on anurans by Epomis nigricans larvae. Amazing Life of Insects, Atlas of the 48th Special Exhibition, Otaru Museum, Otaru.
  6. ↑ Wizen, Gil; Gasith, Avital (2011-09-21). "An Unprecedented Role Reversal: Ground Beetle Larvae (Coleoptera: Carabidae) Lure Amphibians and Prey upon Them". PLOS ONE. 6 (9): e25161. doi:10.1371/journal.pone.0025161. PMC 3177849. PMID 21957480.
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