Ptosima
Variable jewel beetles ( Ptosima undecimmaculata undecimmaculata )
Ptosima is a genus of the subfamily Polycestinae the family of jewel beetles ( Buprestidae ). He is represented in Europe only in a species with two subspecies.
Description
The body of Ptosima is cylindrical.
The head is much wider than in length and significantly narrower than the throat plate. The upper lip is cut rectangular and slightly forward. The upper jaw are strongly curved and tridentate, its inside cut above. The pine key output member is elongate ovate. The end member of the labial palpi is short, cylindrical and truncated. The sensors are elfgliedrig, the sawn 8 last antennal segments inwardly dull. The posterior margin of the eye is close to the pronotum ( temples short).
The pronotum is at the base straight. The elytra are as wide as the pronotum at the base. In the end they are individually rounded and finely denticulate. The whitish pubescence directed on the neck plate forward. The scutellum is small and round, but clearly visible.
The caves on the front hips are open at the back. The front hips are separated by an extension of the front chest ( Prosternatlfortsatz, Figure 1, green), which however is not bridged the center chest. The rear hips (Fig. 1, orange) are wide at the chest and back are eroded for partially receiving the rear leg back. The tarsi of the legs are all five-membered, the claws are toothed at the base.
The first two sections of the abdomen are ( sternites ) fused together below.
Occurrence
Ptosima is a small genus with several Oriental, Nearctic and Central European Art
The larvae live in the wood of dead trees and shrubs, feeding on this. The beetles fly to no flowers.
Subspecies of European style
- Ptosima undecimmaculata undecimmaculata autumn, 1784, does not occur in Crete
- Ptosima undecimmaculata metallescens Bily, 1982 in Crete