Calosoma inquisitor (Linnaeus, 1758)

Taxonomy: Adephaga > Carabidae > Calosoma > Calosoma inquisitor


Calosoma inquisitor
Calosoma inquisitor


Size: 16-22mm
Basic colour: Dark metallic bronze with green or purple reflections.
Pattern colour: Green or purple reflections especially strong beneath and at the edges of the elytra and pronotum.
Pronotoum: Transverse, with raised side borders only in front half. Elytra with 15 striae and strong cross-striation, given a rectangular pattern; fourth, eighth and twelfth intervals with 8-10 strong setiferous punctures.
Leg colour: Black.

Adults are arboreal and feed on Lepidopteran larvae.


Status: Local but widely distributed from southern England through mid-Wales and Cumbria to Scotland.
UKBAP Species: Yes
Habitat: Old oak woodland.
Food: Caterpillar prey, such as Tortrix species.


Philp, B. (2014). Calosoma inquisitor (Linnaeus) (Carabidae) in Scotland. The Coleopterist 23(2): 54.
Bland, K.P. (2005). A second Scottish site for Calosoma inquisitor (Linnaeus) (Carabidae). The Coleopterist 14(1): 22.

Distribution (may take a minute to appear)