Bombardier beetles of genus Brachinus Weber, 1801 (Carabidae: Brachininae Brachinini) from India Author Akhil, S. V. Entomology Research Lab, P. G. & Research Department of Zoology, St. Joseph’s College (Autonomous), Devagiri, Calicut, Kerala, 673008, India Author Divya, M. Entomology Research Lab, P. G. & Research Department of Zoology, St. Joseph’s College (Autonomous), Devagiri, Calicut, Kerala, 673008, India & divyamanikandan 123 @ gmail. com; https: // orcid. org / 0000 - 0003 - 4594 - 5991 Author Sabu, K. Thomas Entomology Research Lab, P. G. & Research Department of Zoology, St. Joseph’s College (Autonomous), Devagiri, Calicut, Kerala, 673008, India & sabukthomas @ gmail. com; https: // orcid. org / 0000 - 0002 - 8701 - 0484 text Zootaxa 2020 2020-07-20 4816 4 576 600 journal article 10.11646/zootaxa.4816.4.7 1175-5326 3954685 5154FD08-0AED-4826-A275-37AA9FBF4874 Brachinus (Metabrachinus) tetragrammus Chaudoir, 1876 Fig. 1f Brachinus tetragrammus Chaudoir, 1876: 54 ; Andrewes, 1924a: 117 ; 1930a: 52 . Type locality. India : Bengal, coll. Dr. Bacon. Type depository. MNHN . Specimen examined (n=1). Syntype labelled “‘Ind.or.bor.’, coll. Dr. Bacon, det. Chaudoir”. Description. Length 8.5–9.0 mm. Head, pronotum, palpi and first four segments of antennae dark reddish yellow; legs and two spots on each elytron pale reddish yellow; antennal segments 5–11 dark brown; eyes grey; scutellum brownish black; median groove of pronotum dark reddish brown, lateral margin dark brown; elytra black. Head stout, wider than long, smooth, glabrous, matt; eyes, protruding; apical segment of palpi sub-cylindrical, truncate; antennae, short, stout, not reaching the middle of the elytra, segment 3 longest, equals the combined length of segments 1 and 2. Pronotum narrow, longer than broad, matt, rough, punctated, pubescent; disc with apical margin straight, lateral region of apical margin slightly projecting forward, basal margin sinuate, convex; anterior two-thirds of lateral margin convex, posterior third divergent, hind angles pointed, not projecting laterally; median groove moderately deep; lateral bead narrow. Elytra subparallel, flat, matt, punctated, pubescent; humerus rounded; apex with a well-defined re-entrant angle, having a membranous border; scutellum very small, pointed; striations moderately deep, carinate, intervals wide, both striations and intervals covered by setae; two spots on each elytron, first extended oval with transverse elongation, extending between striations 4 and 8, in the middle of elytra, second at the apex, square shaped. Distribution. INDIA : Bengal; Bihar : Pusa; Maharashtra : Nagpur, Bandra; Odisha : Surada; Karnataka : Belgavi; Kerala : Malabar.