Polemistus

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Polemistus
Systematics
Order : Hymenoptera (Hymenoptera)
Superfamily : Apoidea
without rank: Digger wasps (Spheciformes)
Family : Crabronidae
Subfamily : Pemphredoninae
Genre : Polemistus
Scientific name
Polemistus
Saussure , 1892

Polemistus is a genus of digger wasps (Spheciformes) from the Crabronidae family. Only two species occurin the Palearctic , one of which, Polemistus abnormalis , is also found in Europe. The main distribution area of ​​the genus is tropical Africa and Asia .

features

The genus can be distinguished from the closely related genera Passaloecus and Stigmus, among other things, by the clearly downward converging inner eye rims and its triangular labrum .

Way of life

The way of life has only been explored of a few species. It is known that the nests are made in wood or stalks and the brood is supplied with aphids . The nest closed with a transparent, resin-like substance.

supporting documents

Individual evidence

  1. ↑ a b c d Manfred Blösch: The digger wasps in Germany: way of life, behavior, distribution . 1st edition. Goecke & Evers, 2000, ISBN 3-931374-26-2 , pp. 199 .
  2. ^ Polemistus. Fauna Europaea, accessed July 23, 2010 .

literature

  • Manfred Blösch: The digger wasps in Germany: way of life, behavior, distribution . 1st edition. Goecke & Evers, 2000, ISBN 3-931374-26-2 .