Belongs within: Pemphredonidae.
Contains: Stigmus.
The Stigmina are a group of pemphredonid wasps with a large stigma and elongate metasomal petiole (Bohart & Menke 1976).
Characters (from Bohart & Menke 1976, as Paracrabro + Stigmus + Carinostigmus): Forewing with two submarginal cells, one recurrent vein and two discoidal cells; stigma large; marginal cell elongate, larger than stigma and closed apically; pronotal collar with complete transverse carina; omaulus present; gaster in dorsal view with petiole much longer than wide.
StigminaBM76
|--Paracrabro Turner 1907BM76
| `--*P. froggatti Turner 1907C85
`--+--StigmusBM76
`--Carinostigmus Tsuneki 1954BM76
|--*C. congruus (Walker 1860) [=Stigmus congruus; incl. S. niger Motschulsky 1863]BM76
|--C. aterrimus Turner 1917BM76
|--C. barbatus (Arnold 1960) [=Stigmus barbatus]BM76
|--C. borneanus (Tsuneki 1974) [=Stigmus borneanus]BM76
|--C. emirus (Leclercq 1959) [=Stigmus emirus]BM76
|--C. filippovi (Gussakovskij 1934) [=Stigmus filippovi]BM76
|--C. formosanus (Tsuneki 1954) [=Stigmus formosanus; incl. S. taiwanus Tsuneki 1966]BM76
|--C. gueinzius (Turner 1912) [=Stigmus gueinzius; incl. S. rugosifrons Arnold 1923]BM76
|--C. guillarmodi (Arnold 1955) [=Stigmus guillarmodi]BM76
|--C. harudus (Leclercq 1961) [=Stigmus harudus]BM76
|--C. iwatai (Tsuneki 1954) [=Stigmus iwatai; incl. S. thailandinus Tsuneki 1963, Carinostigmus thailandinus]BM76
|--C. johannis (Arnold 1927) [=Stigmus johannis]BM76
| |--C. j. johannisBM76
| `--C. j. hybridus (Leclercq 1959) [=Stigmus hybridus]BM76
|--C. levifrons (Arnold 1947) [=Stigmus levifrons]BM76
|--C. maior (Maidl 1925) (see below for synonymy)BM76
|--C. marocensis (Tsuneki 1956) [=Stigmus marocensis]BM76
|--C. nubilipennis (Arnold 1944) [=Stigmus nubilipennis]BM76
|--C. pseudoscutus (Leclercq 1959) [=Stigmus pseudoscutus]BM76
|--C. saigusei (Tsuneki 1966) [=Stigmus saigusei]BM76
|--C. tenellus (Arnold 1944) [=Stigmus tenellus]BM76
`--C. ugandicus (Leclercq 1959) [=Stigmus ugandicus]BM76
Carinostigmus maior (Maidl 1925) [=Stigmus maior, S. major Tsuneki 1954; incl. S. monstrosus Tsuneki 1963, Carinostigmus monstrosus]BM76
*Type species of generic name indicated
References
[BM76] Bohart, R. M., & A. S. Menke. 1976. Sphecid Wasps of the World. University of California Press: Berkeley.
[C85] Cardale, J. C. 1985. Vespoidea and Sphecoidea. In: Walton, D. W. (ed.) Zoological Catalogue of Australia vol. 2. Hymenoptera: Formicoidea, Vespoidea and Sphecoidea pp. 150–303. Australian Government Publishing Service: Canberra.