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home / Insecta · vabzdžiai / Hymenoptera · plėviasparniai / Crabronidae · žiedvapsvės / Pemphredon sp. · žiedvapsvė
Pemphredon sp. · žiedvapsvė
- Typical Aphid Wasps
- bladluizendoders
- tregravevepser
- zamorki
The genus is common in the Holarctic, with ~12 species represented in Europe. Most of them are indistinguishable in field photographs and many other similar species exist in the subfamily Pemphredoninae.
The females usually build their nests in hollow or marrowy stems or branches. Some species also use abandoned feeding tunnels in the wood or build their nests in plant galls. If there is a lack of space, the cells lie in lines one behind the other, otherwise they are branched. Short side passages are often first filled with bore dust and only later developed into cells. Each cell is supplied with 10 to 60 Aphididae, whereby the selection of the species is unspecific. The prey is either stunned with a sting or killed with the mandibles. Then they are grabbed with the mandibles and transported to the nest. When a cell is completely supplied, an egg is laid on the ground or in the middle of the cell between the prey animals.