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Classification HymenopterA Family: Vespidae
Length .
Phenology Summer to autumn.
Identification This mason wasp hasa black face with yellow dot and brown tarsi CAUTION due to similar in this genus which means that detailed examination is required
Life CycleThis wasps finds nest sites in hollow stems where it provides its own larvae with small beetle and moth larvae. It is parasitised by jewel wasps such as Chrysis ignita
Habitat Variable but found in parks, gardens, wooded areas.
Female of Ancistrocerus. the second sternite in almost flat or with a small bulbonly near sthe first sternite, yellow colour on gaster is reduced on 3-4tergites only). ID Libor Dvorák
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