Calosoma (Calodrepa) scrutator (Fabricius, 1775)

Carabus scrutator Fabricius, 1775: 239 (type Virginia ............?)
Calosoma scrutator Breuning, 1927: 163
Calosoma (Calodrepa) scrutatrix Lapouge, 1932: 405
Calodrepa scrutator Jeannel, 1940: 77
Calosoma (Calodrepa) scrutator Gidaspow, 1959: 249
Calosoma (Calosoma) scrutator Erwin, 2007: 104


Length 25-35 mm.Quite large, has head and pronotum of violet colour and the pronotum has a red lateral margin, elytra are green with bronze luster and red lateral margin.
It occurs from southern Canada to Mexico.

Material examined:
United States: Texas (Brazos county, Smith county, Willacy county, Starr county, Nacogdoches county, Curleson county, Tomball); Illinois (Chicago, Riverside); Arkansas (Bluff City); Maryland (Glenburnie)

Notes: Winged, sometime diurnal but mostly nocturnal, attracted to light at night. Adults and larvae live mostly in forest and were reported feeding on various caterpillar as Alsophila pometaria, Paleacrita vernata, Malacosoma neustria, Erannis tiliaria, Alabama argillacea, Archips fervidana (Burgess & Collins 1917: 26). Adults have been found in the warm wet seasons from April to August and some specimens were found overwintering

Calosoma (Calodrepa) scrutator
(Fabricius, 1775)
United States: Texas, Brazos county, College Station, april 1978
Calosoma (Calodrepa) scrutator
(Fabricius, 1775)
United States: Texas, Brazos county, College Station, april 1978

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