I. silarus silarus Druce, 1885
Line drawing of male genitalia in Stempffer & Bennett (1958).
1♂, 1♀ SOUTH AFRICA in Henning & Henning (1984), including illustration of male genitalia (localities not specified) .
1♂ ZAMBIA, Samwirang Hill, Mwinilunga, Mwinilunga District, North-western Province. 11.xi.2015. Leg. Sáfián, Sz., Fric, Z. Gen. prep.: SAFI00386. Deposited in ANHRT, ANHRT unique number: ANHRT00056663