Ectemnius continuus
| Ectemnius continuus | ||||||||||||
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Ectemnius continuus |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Ectemnius continuus | ||||||||||||
| ( Fabricius , 1804) |
Ectemnius continuus is a hymenoptera fromthe Crabronidae family .
features
The wasp reaches a body length of 9.5 to 14.5 millimeters (females) or 8 to 12 millimeters (males). Ectemnius continuus is to be confused with some very similar related species of the genus Ectemnius . It has a very fine point on the side of the pronotum . The mesonotum and the scutellum are roughly wrinkled. The third tergite is often completely black or has only small yellow spots.
Occurrence
The species is widespread in the Palearctic and North America. In Europe it occurs up to about 70 ° north latitude. It colonizes various dry to damp habitats with dead wood. The animals fly in two generations from June to October. The species occurs frequently.
Way of life
The females prefer to build their nests in rotten dead wood or in drill holes in the wood. The mandibles are used to gnaw into the wood . It happens that the nests are created jointly. The brood with Hoverflies (Syrphidae), carrion flies (Calliphoridae), Real fly (Muscidae), brakes (Tabanidae) and Stilettfliegen supplied (Therevidae), wherein six to eight incorporated flies per cell. The females prey on their victims when they sit on plants. They dive at them in a nosedive or accelerating strongly from the horizontal. The anesthesia with the sting usually takes place on the ground. The victim is then grabbed with the middle pair of legs and carried to the nest in flight. The development from egg to pupation is completed in just under 12 days.
supporting documents
literature
- Rolf Witt: Wasps. Observe, determine. Naturbuch-Verlag, Augsburg 1998, ISBN 3-89440-243-1 .