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The adults grow up to 13–20 millimetres and can be encountered from May through August, completing their life cycle in two-three years. Adults only live two-four weeks. The head and pronotum are dark-brown, while elytra are yellowish, with black dots and stripes, rough imitations of wasps, which probably gives them some protection from birds. The adults are very common flower-visitors, especially Apiaceae species, feeding on pollen and the nectar.