Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 86. (Budapest 1994)
Bálint, Zs. ; Johnson, K.: Polyommatine lycaenids of the oreal biome in the Neotropics, part II: The Itylos section (Lepidoptera: Lycaenidae, Polyommatinae)
Figs 43-50. Male genitalic structures of Itylos pnin BÁLINT (Holotype) and /. fumosus (BALLETTO) (/. luzhin BÁLINT, Paratype). 43 = /. pnin, entire structure (BMNH 19164), 44 = ditto, uncus and gnathos, 45 = ditto, aedeagus, 46 = ditto, ventral, 47 = /. fumosus, entire structure (BMNH 19170), 48 = ditto, uncus and gnathos, 49 = ditto, aedeagus, 50 = ditto, valvae
/