Petalocephala insignis Distant

Petalocephala insignis Distant Figs 6I–K. Petalocephala insignis Distant 1908: 167–168, Fig. 111. Diagnosis. Female.Very distinctively marked species: crown margin marked with narrow dark reddish brown border, median stripe extending to anterior half-length along median carina, lateral margins of pronotum dark brown, face dorsal margin reddish brown, a median slightly arrow-head shaped stripe extending from dorsal margin to lateral of antennal bases black; forewing with subcostal longitudinal dark reddish brown band extending to basal 0.66 distance and distally curved mesally and fading towards vein M. Crown lateral margins convergent in front of eyes, apex conically rounded, median carina prominent. Sternite VII deeply concavely excavated in middle (Fig. 6J). Description. Distant (1908) adequately described and illustrated the external features of this species.Additional features are as follows. Crown median carina prominent; 0.77× as long as interocular distance; 1.23× as long as pronotum. Pronotal lateral margins strongly diverging, distance between posterolateral angles 1.22× as long as that between anterolateral angles; 0.6× as long as mesonotum. Female sternite VII deeply concavely excavated in middle (Fig. 6J). Material examined. INDIA: SYNTYPE ♀, “ Sikkim ”, “127”, “Atkinson Coll. [18]92-6, “ Petalocephala insignis Dist. Type ”, “ Type ”, “ Syntype ”, “NHMUK 010592230” (BMNH). Remarks. Distant (1908) described this species based on an unspecified number of female specimens (syntypic) with data “Sikhim [sic] (Atkinson Coll., Brit. Mus.)”.