Cassida nebulosa L Cloudy tortoise beetle

This widely distributed species, which occurs throughout Eurasia, is also associated with Chenopodiaceae, and may occur on crops such

Fig. 212 Outline of the pronotum of various tortoise beetles, Cassida spp.: (a) C. nobilis; (b) C. nebulosa; (c) C. vittata.

as sugar beet. However, eggs are usually deposited on weeds such as Atriplex patula and Chenopodium album. Adults are 5.0-7.5 mm long, distinctly oval and mainly metallic-green to brownish above, with irregular black markings on the elytra and prominent, raised elytral interstices; the suture between the pronotum and elytra is distinctly wavy (Figs 212b and 213). Both larvae and pupae possess relatively long, narrow, tail-like processes. The biology of this species is similar to that of Cassida nobilis (above), but there may be two generations annually.

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