Dock bug nymph
Some impressive looking spines on the back this 3rd stage dock bug nymph. He has still another 2 nymph stages (total of 5 stages) to go before reaching adulthood.
See my other picture for a top view.
Dutch name: Zuringwants nimf in zijn 3de stadium

"Coreus marginatus", commonly called the dock bug, is a species of squash bug. It is a speckled brown insect with a broad abdomen, and is common in most parts of Europe. It is often found in dense vegetation, such as hedgerows and wasteland, where it mainly feeds on the leaves and seeds of docks and sorrels.
Similar species: True Bugs
By Joost Thissen
Attribution Non-Commercial No Derivatives
Uploaded Jul 17, 2012. Captured Jul 3, 2012 11:13 in Höhenstraße 48a, 6020 Innsbruck, Austria.