Eurydema ventralis has a length of about 10 millimetres (0.39 in). It typically has a two-tone coloration, yellow or red with black markings. The body is flattened and the head is rounded. This species can damage the cultivations of crucifers (Brassicaceae family) and sometimes also of potatoes and cereals.
Adults overwinter, reappear in Spring and attack the cabbages.In the first half of April the phase mating begins, followed by the laying of eggs. At mid-May the nymphs hatch, reaching the maturity in June .
In Summer females lay the eggs of the second generation, this time both on crucifers and on other plants (rose, alfalfa). In July the eggs hatch and the larvae become mature in August. Adults of the second-generation return on crucifers and remain there until September. At the first cold days of the Autumn the adults take refuge in the winterly shelters.
This species can be found in most of Europe.
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