Arthromelodes 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

13. Arthromelodes sp. 2 * ( Figs. 3K, L , 5C, F )

Specimens examined. 15 exs., 14 SLL .

Remarks. This species is very characteristic in the middle-sized body, the densely and coarsely punctate head and pronotum ( Fig. 5C ), the posteromedially elevated abdominal tergite IV in the male, and the tergite V with a small and well-projected nodule in the anteromedian part in the male ( Fig. 5F ).

14. Batrisina , gen. et sp. undet. 2* ( Fig. 3M )

Specimen examined. 1 ex., 13-16FIT.

Remarks. This species is difficult to be identified even in genus level. It is characterized by the small-sized body, the short antennae and legs, the small eyes and the laterally narrowed prosternum.

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. 5. SEM photos of Batriscenaulax and Arthromelodes species collected in Tanintharyi Region. A, D. Batriscenaulax sp. 1; B, E. Arthromelodes sp. 1; C, F. A. sp. 2. A–C. head and pronotum in dorsal view; D–F. abdominal tergite IV in dorsal view.