Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 75. (Budapest 1983)
Mineo, G.: Studies on the Scelionidae (Hymenoptera) XIX. A revision of the Ethiopian species of Gryon Haliday: the pubescens-group
KEY TO THE SPECIES OF THE PUBESCENS-GROUP 1 Mesoscutum more or less convex 2 — Mesocutum strongly depressed ; marginal carina present (Fig. 24) scutidepressi sp. n. Q çf 2 "Sunken area" below anterior edge of anterior ocellus absent (Fig. 14) 3 — "Sunken area" surrounding anterior edge of anterior ocellus deep (Fig. 15) 4 3 T2+73 distinctly rugulose for about 3/4 of their length ( $) or less so (c?), marginal carina absent (Fig. 23) rugulosum (FOUTS) 9 cf — 72, 73 with no trace of rugulae, marginal carina present (Figs 3, 22) saxatile (KIEFFER) 9 cf 4 T2, 73 rugulose for about 3/4 of their length ( $) (Fig. 21) or less and only on T2 (<?), marginal carina absent mirperusi (RISBEC) 9 cf — T2, 73 never rugulose (Fig. 20), marginal carina missing kelnerpillaulti sp.n. 9 cf Figs 1-2 .Clypeus and labrum from frontal view (X250) : 1 = Gryon saxatile (KIEFFER) ? , 2 = G. rugulosum (FOUTS) $ . — cl. = clypeus, la = labrum. — Fig. 3. G. saxatile (KIEFFER) d: back of head (X 184) (after MINEO & VILLA 1982). — Figs 4-5. Head from frontal view: 4 — G. rugulosum (FOUTS) $ (X83), 5 = G. mirperusi (RISBEC) ? (X70)