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From the egg, a vicious predator hatches. The larva doesn't need to search for food to continuously keep eating, it is just there. It takes an aphid by its hook shaped mouth pieces and sucks it, shaking it up and down. Because the larvae of many hover-fly species feed on aphids, they are considered as useful insects by humans. In this picture, on the stem you can recognize the white skins of the aphids. They are not the remainders of the hover-fly larva's meals, but of the aphids shedding. Most larvae live in terrestrial habitats, some in aquatic environments such as road puddles or wet meadows, muddy pools or sewage factories. |
