Caliadurgus fasciatellus is a species of spider wasp from the subfamily Pepsinae found from Western Europe to the Far East of Asia.
| Caliadurgus fasciatellus | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Pompilidae |
| Subfamily: | Pepsinae |
| Genus: | Caliadurgus |
| Species: | C. fasciatellus
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| Binomial name | |
| Caliadurgus fasciatellus (Spinola, 1808)
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| Synonyms | |
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Taxonomy edit
The name Caliadurgus was proposed originally by Pate in 1946 as a replacement for a preoccupied name, Calicurgus, published by Lepeletier in 1845. However, Pate explicitly selected Sphex hyalinata as the type species, while Kohl had selected Pompilus fasciatellus to be the type of Lepeletier's genus. Pate and others mistakenly thought that fasciatellus and hyalinata were the same species,[2] but later researchers discovered that these were two different taxa, one now known as Caliadurgus fasciatellus and the other now known as Priocnemis hyalinata.[1]
Description edit
C. fasciatellus reaches 6–10 millimetres (0.24–0.39 in) in length. The 1st and 2nd segments of the abdomen are brownish red with white spurs in the middle and hind legs.
Distribution edit
In Europe found from Great Britain east to Russia and Finland south to Spain and the Balkans.[3] In Great Britain it is mainly confined to the south and east.[4]
Biology edit
The flight period in Britain is June to October with a peak in July and August.[4] It is not known what plants are used by the adults for feeding on nectar.
It hunts orb web spiders of the genera Araneus and Meta.[5] It excavates short, vertical burrows in sandy substrate once the prey has been caught. The prey is gripped in the jaws, between the thorax and abdomen, and transported to the burrow by being carried in front of the wasp. The prey is placed in a vertical position in the cell.[4]
Habitat edit
Exposed dry sandy or sandy clay soils.[4]
References edit
- ^ a b Else, G. R., Bolton, B., & Broad, G. R. (2016). Checklist of British and Irish Hymenoptera - aculeates (Apoidea, Chrysidoidea and Vespoidea). Biodiversity data journal, (4), e8050. https://doi.org/10.3897/BDJ.4.e8050
- ^ V. S. L. Pate (1946) The generic names of the spider wasps (Psammocharidae olim Pompilidae) and their type species (Hymenoptera: Aculeata) Transactions of the American Entomological Society 72:65-137
- ^ Loktionov,V. M. & Lelej, A. S. 2012 New Distributional Date On the Spider Wasps (Hymenoptera, Pompilidae) from the Russian Far East. Far Eastern Entomologist. 244 10-12.
- ^ a b c d e Edwards R. & Telfer M. (eds), 2001, Provisional Atlas for the aculeate Hymenoptera of Britain and Ireland Part 3, NERC ISBN 1-870393-58-9
- ^ Bogdan Wisniowski: Spider-hunting wasps (Hymenoptera: Pompilidae). of Poland Ojców National Park, Ojców 2009, OCLC 751138831 (ISBN formally incorrect 83-60337-15-4).
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