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Spike Shouldered Stink Bug - Picromerus bidens
Spike Shouldered Stink Bug - Picromerus bidens


Spike Shouldered Stink Bug
The Spike Shouldered Stink Bug (Picromerus bidens) is a species in the order true bugs (Hemiptera), the suborder typical bugs (Heteroptera), the infraorder Pentatomomorpha, the superfamily Pentatomoidea, and the family stink bugs and shield bugs (Pentatomidae).
This species is widespread in Europe and northern Asia.
Shield bug - Spike Shouldered Stink Bug
Shield bug - Spike Shouldered Stink Bug
Adult Picromerus bidens reach body lengths of 10 - 14 mm. Their bodies are dome shaped, strongly built and have a dark brown base colour. The legs and antennae (5 segmented) are reddish brown. On both sides of the pronotum, which has 2 emerging reddish points, is to find an acute brown, at its top end black thorn. Both sides of the pronotum have a pointy spine, which is blackish brown at the end, and a reddish spot. The scutellum is yellow at the end.
Bug - Picromerus bidens - Spike Shouldered Stink Bug
Bug - Picromerus bidens - Spike Shouldered Stink Bug
Picromerus bidens are found in hardwood forests, mixed forests, parks and gardens, where they prefer wet areas. The females lay their eggs in late summer or early autumn on the upper surface of plant leaves. The eggs overwinter there. The larvae hatch in the spring. They develop in 5 stages, each finishing with a moult. In summer, the adult bugs of the new generation appear. These feed on caterpillars, beetle larvae, other bugs or aphids.
Spike Shouldered Stink Bug - Rear view
Spike Shouldered Stink Bug - Rear view
Picromerus bidens - Rear view
Picromerus bidens - Rear view


Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Spike Shouldered Stink Bug - Picromerus bidens
2. Shield bug - Spike Shouldered Stink Bug
3. Bug - Picromerus bidens - Spike Shouldered Stink Bug
4. Spike Shouldered Stink Bug - Rear view
5. Picromerus bidens - Rear view
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