Epomis circumscriptus

Epomis circumscriptus
E. circumscriptus preying upon a tree frog, Hyla savignyi
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Carabidae
Subfamily: Licininae
Tribe: Chlaeniini
Genus: Epomis
Species: E. circumscriptus
Binomial name
Epomis circumscriptus
Duftschmid, 1812

Epomis circumscriptus is a species of ground beetle native to the Palearctic, the Near East, and North Africa.[1] It is known from Albania, Armenia, Bosnia and Herzegovina, Bulgaria, Croatia, Egypt, France, Georgia, Greece, Hungary, Israel, Italy, Jordan, Kazakhstan, Portugal, Romania, Russia, Slovakia, Spain, Tajikistan, Turkmenistan, Turkey, Ukraine, and Uzbekistan.[1][2][3]

Adult beetles are metallic blue with violet luster, with a striking yellow-orange rim on the elytra and mostly yellow-colored legs and antennae. They are 18-22.5 millimeters in length.[4]

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

References

  1. 1 2 Wizen Gil, Drees Claudia, & Gasith Avital (2012). Distribution of two Epomis species (Carabidae, Chlaeniini) in Israel, with notes on their habitat. Israel Journal of Entomology 41: 95–106.
  2. ↑ "Chlaenius (Epomis) circumscriptus Duftschmid, 1812: 166 - Carabidae". carabidae.org. Retrieved 2015-12-04.
  3. ↑ Yanai Zohar, Truskanov Noa, Gasith Avital, & Wizen Gil (2015). First record of Epomis circumscriptus (Duftschmid, 1812)(Carabidae: Chlaeniini) from the eastern Dead Sea area, Jordan. Israel Journal of Entomology 44-45: 1-4.
  4. ↑ Trautner Jürgen, & Geigenmüller Katrin (1987). Tiger beetles, ground beetles. Illustrated key to the Cicindelidae and Carabidae of Europe. TRIOPS Verlag.
  5. ↑ 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 3177849Freely accessible. PMID 21957480.
  6. ↑ Wizen, Gil; Gasith, Avital. "Predation of amphibians by carabid beetles of the genus Epomis found in the central coastal plain of Israel". ZooKeys. 100: 181–191. doi:10.3897/zookeys.100.1526. PMC 3131015Freely accessible. PMID 21738411.
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