Acanthocorona spinifera sp. nov. Figs 18, 26-30, 37

Material .

Holotype ♂, Burmese amber, NIGP 173718, (NIGP).

Etymology.

The specific epithet is composed from Latin “spina”, spine, and “fero”, to carry, referring to the strong spines on tibiae of the adult moth.

Preservation.

Completely preserved in a small, rounded, polished piece of amber, embedded in dorso-ventral position, with right wings spread out, some short fractures and few a bubbles of air present, legs and postabdomen well visible (Fig. 37).

Description.

Length of forewings 4.8 mm, antennae dark brown, less than 0.5 of forewing length, with 30 flagellomeres; scales of forewing short and spatulate, or long with apical margin serrated, scales of fringes long, lanceolate, rounded at apex (Fig. 29).

Male genitalia (Figs 27, 28): segment X a large dorsal plate with deep, triangular excision of apical margin giving the structure a bifid form (Fig. 28); valvae broad, somewhat enlarged and rounded on apices; rod-like spine on ventral apex of valvae long, apically truncate, not accompanied by shorter spines, apical margin of valvae without denticules, basal spikes of valvae paired, about 0.8 the length of valvae (Fig. 27). Phallus not extruded.