Caliadurgus fasciatellus
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| Caliadurgus fasciatellus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Pompilidae |
| Subfamily: | Pepsinae |
| Genus: | Caliadurgus |
| Species: | C. fasciatellus |
| Binomial name | |
| Caliadurgus fasciatellus (Spinola, 1808) | |
| Synonyms | |
| |

Caliadurgus fasciatellus is a species of spider wasp from the subfamily Pepsinae found from Western Europe to the Far East of Asia.
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
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.