Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 93. (Budapest 2001)

Kun, A.: New Ethmiinae (Lepidoptera: Oecophoridae) species from Southeast Asia

Diagnosis - A comparison of the species of the E. crocosoma group is given under the diagnosis of the preceding species and the external differences are summarized in Table 1. The male genitalia of the species of the E. crocosoma group are very similar, with rather slight differences in the shape of anterior and posterior parts of the gnathos. Description - (Fig. 6): Male. Wingspan 23-25 mm. Antenna filiform, grey, basal segments strongly dilated, with whitish scales. Scape also with whitish scales; maxillary palp reduced, labial palp with black scales; proboscis whitish. Frons black, vertex whitish with a black spot. Thorax whitish with four black spots (Fig. 18); tegulae white with a pair of black spots at base. Forewing overlaid with black markings on whitish background, consisting mostly of elongate, rather big black patches. Hindwing grey, without strong costal brushes; cilia whitish. Forelegs, midlegs and hindlegs brownish, abdomen yellow, 3rd to 7th segments with two black spots on each segment. Male genitalia (Fig. 13): Uncus hood-like, flattened, bifid, with more or less V-shaped medial incision; anterior and posterior parts of gnathos well-developed, with a wide neck, posterior part dentate, anterior part wide, covered with small warts. Labis membranous, rather short, broad at base, tapering apically. Valva elongate, apically acute, covered with fine hairs, ventral margin with long, acute, wedge-shaped lobe at distal end of sacculus. Costa forming a long, sclerotized triangular plate; dorsal margin of aedeagus convex, carina with small, sclerotized ventral tooth. Distribution - North Vietnam (Tarn Dao). Figs 13-14. Genitalia: 13 = Ethmia vietmiella sp. n. male, holotype, slide no. KUN 103; 14 = E. yeni sp. n. male, holotype, slide no. KUN 160