Sebasmia olemehli, Miroshnikov, 2022

Miroshnikov, A. I., 2022, The longicorn beetle tribe Cerambycini Latreille, 1802 (Coleoptera: Cerambycidae: Cerambycinae) in the fauna of Asia. 18. The members of the genus Sebasmia Pascoe, 1859 from Sri Lanka, with the descriptions of two new species, Russian Entomological Journal 31 (2), pp. 154-158 : 158

KEY TO SPECIES OF SEBASMIA FROM SRI LANKA

1. Antennomere 5, 1.3–1.8 times as long as antennomere 4; body smaller, not more than about 25 mm in length; coloration of recumbent setation of dorsum clearly less bright, at most can only be with a yellowish tint ........ 2

— Antennomere 5 at least 2.1 times as long as antennomere 4; body larger, not less than about 29 mm in length; coloration of recumbent setation of dorsum clearly bright- er, mainly combines yellow and rufous (foxy) tones ..... ................................................................... S. templetoni

2. Apical external angle of elytra rounded or subrectangular, as in Figs 27–28; antennomere 3 not more than 1.3 times as long as antennomere 1; folds on pronotal disc coarser .......... 3

— Apicalexternalangleofelytraprotrudingtooth-shaped,asin Fig. 26; antennomere 3 almost 1.5 times as long as antennomere 1; folds on pronotal disc less coarse ....... S. testacea

3. Body slenderer, as in Figs 1–2; male antennae clearly longer than body .......................................................... 4

— Body more robust (https://www.cerambycoidea.com); male antennae clearly shorter than body (Southern Province, Udugama) ....................................... Sebasmia sp.

4. Dorsum clearly darker, as in Fig. 1; pronotal disc with a very wide, longitudinal, almost bare, median area, as in Fig. 4; femora more strongly claviform, as in Figs 13, 15, 18 ......................................................... S. olemehli sp.n.

— Dorsum clearly lighter, as in Fig. 2; pronotal disc with a narrow, longitudinal, almost bare, median area, as in Fig. 5; femora less strongly claviform, as in Figs 12, 14, 17 ........................................................... S. ceylonica sp.n.

Acknowledgements. I am very grateful to Maxwell V.L. Barclay (BMNH), Alexey Yu. Solodovnikov (NHMD) for the opportunity to study the museum material, to Kirill V. Makarov (Moscow Pedagogical State University, Moscow, Russia) and my wife Tatiana P. Miroshnikova who helped a lot in the preparation of the illustrations for publication.