Cratna sp. 2

Nomura, Shûhei & Aung, Mu Mu, 2021, Inventory Studies on the Subfamily Pselaphinae (Coleoptera, Staphylinidae) of Myanmar Part 4: A List of Collected Species in Tanintharyi Region in February 2020, Bulletin of the National Museum of Nature and Science. Series A, Zoology 47 (2), pp. 107-116 : 113

10. Cratna sp. 2 * ( Figs. 3H , 4B, D, F )

Specimen examined. 1 ex., 15 SLL .

Remarks. This species is very similar to C. sp. 1 in having the large male sexual patch on the abdominal tergite IV, but is separable by the very narrow, arrow-headed posterior nodule of the sexual patch ( Figs. 4D, F ).

Figures

Fig. 3. Pselaphine species recognized in Tanintharyi Region in Feb. 2020.A. Bythinoplectina gen. sp. 6; B. Pseudoplectus? sp. 1; C. Tribasodites denticornis Nomura et Aung, 2020; D. T. sp. 3; E. T. sp. 4; F. Smetanabatrus alesi Nomura et Aung, 2020; G. Cratna sp. 1; H. C. sp. 2; I. Batriscenaulax sp. 1, male; J. ditto, female; K. Arthromelodes sp. 2, male; L. ditto, female; M. Batrisina gen. sp. 1; N. Tmesiphorus sp. 2; O. Raphitreodes dentimanus (Raffray, 1890); P. Saltisedes sp. 1; Q. Horniella sp. 1.

Fig. 4. SEM photos of Cratna species collected in Tanintharyi Region. A, C, E. Cratna sp. 1; B, D, F. C. sp. 2. A, B. head and pronotum in dorsal view; C, D, abdominal tergite IV in dorsal view; E, F. male sexual patch enlarged.