Permosyne elongata Ponomarenko, 2005

Ponomarenko, Alexandr G. & Mostovski, Mike B., 2005, New beetles (Insecta: Coleoptera) from the Late Permian of South Africa, African Invertebrates 46, pp. 253-260 : 258-259

Genus Permosyne Tillyard, 1924 Permosyne elongata Ponomarenko , sp. n.

Fig. 5

Etymology: L. elongata (elongate).

Description: Elytron 3.3 mm long, 0.9 mm wide. Elytron convex, narrow, over 3.5 times as long as wide, widest around its mid-length, narrowed in apical third; its base narrow and apex tapered. Sutural margin convex, bordered. Epipleural border narrow. Punctate striae in basal two thirds of elytron run parallel obliquely toward sutural margin; punctures large, especially in basal half of elytron. Two last striae in adsutural part of elytron terminate at sutural margin.

Holotype: NMSA, no. 2571, impression of left elytron. SOUTH AFRICA: KwaZulu-Natal: Howick, locality of Balgowan; Upper Permian , Ecca Group , Volksrust Formation.

Comparison: P. elongata sp. n. differs from other species in having long, narrow and convex elytra with striae formed by large punctures.

Figures

Fig. 4, 5. South African members of the families Schizocoleidae and Permosynidae: (4) Palademosyne natalensis Ponomarenko, sp. n., holotype NMSA, no. 2573, counterpart of isolated elytron; (5) Permosyne elongata Ponomarenko, sp. n., holotype NMSA, no. 2521: (A) impression of isolated elytron, (B) explanatory drawing. Scale bar = 1 mm.