The female velvet ants (aka modkhong) of southern Thailand (Hymenoptera: Mutillidae), with a key to the genera of southeast Asia Author Williams, Kevin A. Author Lelej, Arkady S. Author Okayasu, Juriya Author Borkent, Christopher J. Author Malee, Rufeah Author Thoawan, Kodeeyah Author Thaochan, Narit text Zootaxa 2019 2019-05-07 4602 1 1 69 journal article 26916 10.5281/zenodo.2669927 f32a6f5a-0c9f-43c4-a273-4bc325ece96e 1175-5326 2669927 F066A962-743F-4899-AFAE-485C5A51EF2F Genus 5. Ctenotilla Bischoff, 1920 Diagnosis. FEMALE. In the Oriental and Palaearctic regions, this is the only mutilline genus with a transverse row of teeth on the propodeum and with the disc of T2 lacking setal spots. This genus is separated from similar Afrotropical genera by having T1 as broad as the propodeum and having the gena not armed with a dentate carina. MALE. See Nonveiller (1979) and Lelej (2005) . Diversity and Distribution. Three species are recognized: C. caeca ( Radoszkowski, 1879 ) , which is widespread in the Palaearctic; C. porcella ( Turner, 1911 ) from India and Sri Lanka ; and C. guangdongensis Lelej, 1992 , which is known from China and Thailand . Remarks. The Chinese and Thai species, C. guangdongensis , is the only one presently known from females only.