Exetastes Gravenhorst, 1829: 395. Type species: Ichneumon fornicator Fabricius, 1781. Designated by Westwood (1840).
Leptobatus Gravenhorst, 1829: 432. Type species: Leptobatus ziegleri Gravenhorst, 1829. Designated by Viereck (1914).
Semnophrys Förster, 1869: 158. Type species: Exetastes notatus Holmgren, 1860. Designated by Perkins (1962).
Rhimphalea Förster, 1869: 202. Type species: Rhimphalea brevicorpa Davis, 1897 (= Exetastes bioculatus Cresson, 1872). Included by Davis (1897).
Icyona Cameron, 1903: 340. Type species: Icyona rufipes Cameron, 1903 (= Campoplex longipes Smith, 1878). Monobasic.
Allexetastes Kokujev, 1904: 106. Type species: Exetastes (Allexetastes) komarovi Kokujev, 1904. Designated by Viereck (1914).
Rhynchexetastes Cameron, 1906: 102. Type species: Rhynchexetastes violaceipennis Cameron, 1906. Monobasic.
Tegona Morley, 1913: 251. Type species: Tegona rufipes Morley, 1913 (= Campoplex longipes Smith, 1878). Monobasic.
Pseudexetastes Meyer, 1927: 308. Type species: Pseudexetastes diakonovi Meyer, 1927. Original designation.
Diagnosis. This genus can be distinguished from other genera of Banchini by the following combination of character states: labrum less than 0.7 × as long as height of head, not developed into a long tongue; epicnemial carina present (Fig. 6); upper tooth of mandible about same length as lower tooth; lower part of occipital carina joining hypostomal carina above base of mandible; flagellum usually long and slender; laterotergites of T2 and T3 less than 0.3 × as wide as long; anterior end of vein cu-a of fore wing opposite or distad from posterior end of vein Rs+M; ovipositor sheath 0.14 to 1.8 (usually ca. 0.3) × as long as hind tibia (after Townes, 1970).
Distribution. Worldwide excluding the Australasian and Antarctic regions.
Remarks. This genus is the largest genus of Banchini, containing about 168 species (Riedel, 2015; Sheng et al., 2016; Yu et al., 2016).