Vechtia, Pate, 1944

Girish Kumar, Puthuvayi, Hanima, Raveendran K. P., Amal, Sreedharan & Hegde, Vishwanath D., 2023, New record of Vechtia rugosa (F. Smith, 1858) (Hymenoptera, Crabronidae, Crabroninae) from India, Journal of Insect Biodiversity and Systematics 9 (4), pp. 687-693 : 690-691

Key to the known species and subspecies of Vechtia

1 Ocelli in a flattened triangle; OOL = 2× POL; mesonotum strongly and irregularly punctate, without longitudinal striations; mid femora not thickened and without tufts of long hairs; metasoma immaculate; metanotum entirely black. ......................................................... Vechtia perugosa Leclercq, 1963

— Ocelli in equilateral ( Fig. 3B); OOL = POL; mesonotum not punctate, with longitudinal striations ( Fig. 3F); mid femora thickened and with tufts of long hairs ( Fig. 3I); metasoma maculate, T1–T4 with lateral diagonally placed pale spots and T5 with a transverse pale line at base ( Fig. 3J). ....................................... ......................................................................................................................... Vechtia rugosa (F. Smith, 1858) 2

2 Punctures on head much finer and more delicate than in alternate; colour of maculae more whitish than in alternate. .......................................................... Vechtia rugosa palawana Tsuneki, 1976 [ Philippines]

— Punctures on head denser and stronger than in alternate ( Fig. 3B); colour of maculae less whitish to yellow. ................................................................................................................................................................... 3

3 Two lateral spots of fourth tergite small, round, and not distinctly elongated; body smaller and slender than in alternate. ....................................................... Vechtia rugosa forticarinata Leclercq, 1951 [ Indonesia]

— Two lateral spots of fourth tergite distinctly elongated ( Fig. 3J); body larger and stouter than in alternate. ............................................................................................. Vechtia rugosa rugosa (F. Smith, 1858)