Crossocerus quadrimaculatus
| Crossocerus quadrimaculatus | ||||||||||||
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Crossocerus quadrimaculatus , male |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Crossocerus quadrimaculatus | ||||||||||||
| ( Fabricius , 1793) |
Crossocerus quadrimaculatus is a hymenoptera fromthe Crabronidae family .
features
The animals reach a body length of 7 to 10.5 millimeters (females) or 6 to 8.5 millimeters (males). Their bodies are black and yellow in color, which is rare within the genus. There also occur melanistic on forms. The end ridge at the edge of the back of the head (occipital ridge) has a tooth-shaped projection on the underside. The males usually have four yellow spots on the upper part of the abdomen . The species name quadrimaculatus is derived from Latin and means "four spots".
Occurrence
The species occurs from Europe to Siberia and Mongolia. It inhabits warm, sandy habitats. The animals fly from early June to mid-October. The species is widespread in Central Europe.
Way of life
The females of Crossocerus quadrimaculatus create their nests in the sandy soil and often form aggregations. The nest is preferably placed on demolition edges. It is around 40 centimeters long and ends in a single cell. The brood is supplied with flies , but probably also with caddis flies and butterflies .
swell
literature
- Rolf Witt: Wasps. Observe, determine. Naturbuch-Verlag, Augsburg 1998, ISBN 3-89440-243-1 .
Individual evidence
- ↑ Crossocerus (Hoplocrabro) quadrimaculatus (Fabricius, 1793) (Four-spotted Digger Wasp) . www.bioinfo.org.uk. Retrieved September 16, 2017.
Web links
- Crossocerus quadrimaculatus at Fauna Europaea
- Crossocerus quadrimaculatus Photo at www.rutkies.de
- www.biolib.cz - taxonomy, photos
- BWARS - Bees, Wasps & Ants Recording Society - Photos