Ctenotillini, Brothers et Lelej, 2017

Lelej, A. S., 2023, Review of the tribe Ctenotillini (Hymenoptera: Mutillidae) from Oriental and Palaearctic regions, Far Eastern Entomologist 480, pp. 1-22 : 4-5

Key to the Oriental genera and species of tribe Ctenotillini

Males (unknown in Lehritilla ianthis , L. locascioi )

1. T3–7 without medial longitudinal carina. – S8 (hypopygium) with strong medial longitudinal curved carina, S7 with lateral lobe. Mandible with weak subbasal inner tooth. ( Lehritilla Lelej, 2005 ). Gonostylus bilobed: dorsal lobe short strong curved and oriented inwards, ventral lobe narrow long, slightly longer than volsella. 9.0 mm ........................................................................ L. lanka Lelej, 2005

– At least T4–6 with medial longitudinal carina ……………………………….... 2

2. S8 medially with deep concavity bordered by lateral tuft of setae. S7 at most with lateral tubercle …………………………………………………………………. 3

– S8 medially with highly elevated wide shiny longitudinal part bordered by long setae. S7 with strong lateral process curved inward. ( Williamstilla gen. n.). 7.2– 10.4 mm ………………………...... W. guangdongensis ( Lelej, 1992) , comb. n.

3. S8 apically with deep triangular emargination bordered by carina. ( Denistilla gen. n.). 10.0–11.0 mm ……………………... D. pauli ( André, 1898) , comb. n.

– S8 apically rounded or straight ………………...…………………………….... 4

4. S8 with subbasal lateral tubercle. S7 without lateral tubercle. S2 not invaginated laterally, basally with weak medial longitudinal carina. Mesopleuron beneath strongly punctured, with precoxal tubercle. ( Ctenotilla Bischoff, 1920 ). 9.0– 16.0 mm ………………………….……………. C. caeca ( Radoszkowski, 1879)

– S8 without subbasal lateral tubercle. S7 with lateral tubercle. S2 invaginated sublaterally with distinct lateral longitudinal carina and medial longitudinal carina. Mesopleuron beneath transversally striated, without precoxal tubercle. ( Cephalotilla Bischoff, 1920 ). 8.8–10.4 mm …………………………………… ………………………………….……….... C. porcella ( Turner, 1911) , comb. n.