Angarosphecidae (lat.) is a fossil family of small sphecoid wasps from the deposits of the Cretaceous period. The name is given on behalf of the ancient Siberian continent Angarida.One of the oldest groups of wasps, the age of the finds is from 145 to 50 million years (Cretaceous, Mesozoic and Eocene).
The species mainly lived on the lands of Eurasia (Great Britain, Spain, China, Myanmar, Mongolia, Russia), North America (Canada), South America (Brazil).
The family Angarosphecidae is a family of small wasps, less than 1 cm long. Parapsidal sutures are developed on the pronotum. The eyes are oval, large. The forewings with full venation and from other stinging ones differ in the following features: 2r-rs departs from the pterostigma at a right angle, 1m-cu is located at the base of the 2r-m cell. The abdomen is short. Developed gene bridge on the head.
Photographs of wasps of the Angarosphecidae family, frozen in fossils
Plan of the external structure of the wasps Angarosphecidae
Classification:
- Angarosphex Rasnitsyn, 1975 (about 15 species)
- Calobaissodes
- Mataeosphex
- Palaeapis
- Shandongodes
- Archisphex (Evans, 1969)
- Baissodes Rasnitsyn, 1975 (Baissodes grabaui, Baissodes longus, Baissodes magnus, Baissodes robustus)
- Cretobestiola Pulawski and Rasnitsyn, 2000 (Cretobestiola communis, Cretobestiola hispanica, Cretobestiola subpetiolata, Cretobestiola tenuipes)
- Bestiola Pulawski and Rasnitsyn 1999
- Cretosphecium Pulawski and Rasnitsyn, 2000 (Cretosphecium lobatum, Cretosphecium triste)
- Decasphex
- Eosphecium Pulawski and Rasnitsyn, 2000 (Eosphecium naumanni)
- Eubaissodes Zhang, 1992 (Eubaissodes completus)
- Ilerdosphex Rasnitsyn, 2000 (Ilerdosphex wenzae)
- Mesorhopalosoma Darling, 1990 (Mesorhopalosoma cearae)
- Montsecosphex Rasnitsyn and Martínez-Delclòs, 2000 (Montsecosphex jarzembowskii)
- Oryctobaissodes Rasnitsyn, 1975 (Oryctobaissodes armatus)
- Paleorhopalosoma Nel et al. 2010 (Paleorhopalosoma menatensis)
- Pompilopterus Rasnitsyn, 1975 (Pompilopterus ciliatus, Pompilopterus corpus, Pompilopterus difficilis, Pompilopterus keymerensis, Pompilopterus leei, Pompilopterus montsecensis, Pompilopterus noguerensis, Pompilopterus wimbledoni, Pompilopterus worssami)
- Trichobaissodes Rasnitsyn, 1975 (Trichobaissodes antennatus)
- Vitimosphex Rasnitsyn, 1975 (Vitimosphex incompletus, Vitimosphex vividus)
