Green June Beetle
27 May 2014.
Buckingham Springs, Bucks Co, PA.
3.6 mm head-elytra.
Found on Black Walnut (Juglans nigra).
Coleoptera sp., to Robinson trap, Søborg, Denmark, 29/30 July 2014
Two of these active in my front yard when I got home from walking my dog. They were alert and (strangely) approached and briefly inspected my multi-tool. Could be genus Calosoma or Carabus.
The Coleoptera /koʊliːˈɒptərə/ order of insects is commonly called beetles. The word "coleoptera" is from the Greek κολεός, koleos, meaning "sheath"; and πτερόν, pteron, meaning "wing", thus "sheathed wing", because most beetles have two pairs of wings, the front pair, the "elytra", being hardened and thickened into a sheath-like, or shell-like, protection for the rear pair, and for the rear part of the beetle's body. The superficial consistency of most beetles' morphology, in particular their possession...