Mesoleptus stygius Walker, 1874

(Figure 45)

Taxonomic history. Morley (1913b) transferred this species to Perilissus Förster, 1855 and Townes et al. (1965) then treated Mesoleptus stygius as a subspecies of P. rufoniger (Gravenhorst, 1820) . Finally, Aubert (2000) synonymised it under P. rufoniger .

Current taxonomy. Junior synonym of Perilissus rufoniger (Gravenhorst, 1820) ( Ichneumonidae: Ctenopelmatinae: Perilissini).

Type number. Type 3b.1106. Specimen # NHMUK010881031

Type status. Holotype.

Sex. Male.

Type locality. Japan.

Label data. First label, ‘Type’ (round label, with red margin; printed); second label, ‘B.M. TYPE /HYM./3.b.1106’ (square label; first and second lines printed and third line handwriting); third label, ‘ Japan./Coll.F. Walker./ 1913–71.’ (square label; printed); fourth label, ‘262’ (square label; handwriting); fifth label, ‘ Mesoleptus /stygius’ (square label; handwriting); sixth label, ‘ Perilissus sp./Morley det.’ (square label; first line handwriting and second line printed).

Condition. Rather good; apical few flagellomeres of right antenna lost; left hind wing glued to card.