Two new species of the genus Dichillus Jacquelin du Val, 1861 (Coleoptera: Tenebrionidae: Stenosini) from Thailand Author Schawaller, Wolfgang 0000-0003-1482-7386 Staatliches Museum für Naturkunde, Rosenstein 1, 70191 Stuttgart, Germany & schawaller. ehrenamt @ smns-bw. de; https: // orcid. org / 0000 - 0003 - 1482 - 7386 schawaller.ehrenamt@smns-bw.de Author Bellersheim, Aron 0000-0002-5607-328X Staatliches Museum für Naturkunde, Rosenstein 1, 70191 Stuttgart, Germany & bellersheim. aron @ smns-bw. de; https: // orcid. org / 0000 - 0002 - 5607 - 328 X bellersheim.aron@smns-bw.de text Zootaxa 2022 2022-10-28 5200 3 296 300 journal article 174287 10.11646/zootaxa.5200.3.8 e6df1721-8956-48b5-9e80-ae1813a75a43 1175-5326 7260577 84A49D95-C54F-4135-973C-F821F06C0481 Identification key to the species of Dichillus from Thailand 1 Smaller species, body length 2–3.2 mm , upper margin of epipleura sharp......................................... 2 - Larger species, body length 4.2–4.5 mm , upper margin of epipleura indistinct..................................... 3 2 Body length 2 mm , elytra flat and long elongate, antennae long and narrow, antennomeres quadrate, elytral intervals three and five without traces of costae..................................................................... D. chujoi - Body length 3.2 mm , elytra convex and round-oval, antennae short and broad, antennomeres distinctly broader than long, elytral intervals 3 and 5 with costae............................................................ D. grimmi sp. n. 3 Lateral margins of pronotum finely beaded; elytral intervals three and five in anterior third of elytra and interval seven completely elevated, nearly keel-like............................................................. D. kuschstaberi - Lateral margins of pronotum lacking; all elytral intervals flat, not elevated......................... D. siamicus sp. n.