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Cassida denticollis · kietinis skydinukas
underside, ventral side - pilvas
- Schafgaben-Schildkäfer
- nirhakilpikuoriainen
- kietinis skydinukas
- tarczyk ząbkowany
- renfanesköldbagge
It is found in Western Palaearctic region, Mongolia, West China (Xinjiang province). Cassida denticollis, like all species of Cassida has its head covered by the pronotum and wide elytral margins. It measures 5.1–7.0 mm in length, is green in colour with brownish-red areas around the scutellum. It has a distinct tooth at the rear edge of the pronotum, and a series of small, strong, blunt teeth on the front edges of the elytra from which this species derives its name.
Larvae and adults free on the leaves. The spinulose larvae are conspicuous by holding a large lump, a mix of frass and exuvia, over the body, kept in place by a pair of hooks at the tip of the abdomen. The species feeds on plants from the family Asteraceae, including Achillea millefolium, Artemisia absinthium, Artemisia campestris and various plants Tanacetum species, including Tanacetum corymbosum and Tansy.
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