TABLE 2. Diagnostic characters for X. lichneuta and X in Taxonomic status of Xyrosaris melanopsamma Meyrick, 1931 (Lepidoptera: Yponomeutidae) with notes on congeneric species in East Asia

TABLE 2. Diagnostic characters for X. lichneuta and X. melanopsamma on the base of female and male genitalia.
NoDiagnostic character\ speciesX. lichneutaX. melanopsammaFemale genitalia1distance between anterior edge of sterigma and posterior edge of 7th segmentrelatively short, 7.6 times shorter than papillae analesrelatively long, 2.5 times shorter than papillae anales2shape of posterior edge of 7th sterniterounded concave, with distinct lateral triangular projectionsalmost straight, with faintly distinguishable lateral projections3shape of sterigmatransversely oval with distinct anterior marginmore or less angular, with a weakly defined anterior edge47th sternitewith relatively wide longitudinal zone almost lacking microsetae in the middle and sclerotised lateral sideswith close longitudinal lines of dense microsetae in the middle and weak sclerotised lateral sides5plate between base of papillae analesas equilateral triangleas longitudinally elongated triangleMale genitalia6length of harpareaches 9/10 of valva lengthslightly exceeds 3/5 of valva length7row of strong thorns on apical part of harpasemioval with equal dorsal and ventral parts (Fig. 8)arched, with longer part along ventral margin of harpa (Fig. 12)3thorns on the apical part of harpasmallerlarger, especially along ventral margin of harpa4shape of valvasmoothly widened from base towards 3/5 (Fig. 7)smoothly widened from base towards 1/3, further parallel-sided towards 2/3 (Fig. 11)
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