Onion hover fly
| Onion hover fly | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Merodon trochantericus | ||||||||||||
| Costa , 1884 |
The onion hover fly ( Merodon trochantericus ) is a fly from the family of the hover flies (Syrphidae).
features
The flies reach a body length of 10 to 12 millimeters. Their bee-like body is colored light and dark brown. The face and forehead are long white, tomentose hair. The female also has black hair on top of the head. The antennae are brown, their third link is pointed. The thorax is colored blue or greenish-black and is hairy gray or fox-red. Occasionally it has five light, indistinct vertical stripes. The legs are black-brown, the splints ( tibia ) at the ends are colored red. The abdomen has a yellow-red, sharply demarcated drawing. The wings are transparent. The rear legs of the males have a short tooth on the thigh ring ( trochanter ) and a cusp on the lower side of the thigh ( femur ).
Occurrence and way of life
The species is often found on mountain meadows in southern Europe . The larvae have chitinized thorns on their backs and develop in leek plants .
swell
Web links
literature
- Joachim & Hiroko Haupt: Flies and mosquitoes: observation, way of life. Naturbuch-Verlag, Augsburg 1998, ISBN 3-89440-278-4 .