Brachinus limbicollis Chaudoir, 1876

Akhil, S. V., Divya, M. & Sabu, K. Thomas, 2020, Bombardier beetles of genus Brachinus Weber, 1801 (Carabidae: Brachininae Brachinini) from India, Zootaxa 4816 (4), pp. 576-600 : 585

Brachinus limbicollis Chaudoir, 1876

Fig. 2e

Brachinus limbicollis Chaudoir, 1876: 67 ; Andrewes, 1930a: 50

Type locality. Bangladesh: Dhaka, coll. M. S. Stevens.

Type depository. MNHN .

Specimen examined (n=1). Syntype labelled “‘Deccan’, coll. Stevens, det. Chaudoir”.

Description. Length 9.0 mm. Head, mid region of pronotum reddish brown; palpi, antennal segments 1–4, and legs reddish yellow; lateral sides of pronotum brownish black; eyes black; scutellum brownish black; elytra black with light brown shade.

Head longer than broad, frons rough, vertex smooth, fine pubescence around the eyes, otherwise glabrous; frontal foveae shallow; eyes protruding; antennae long, reaching the middle of the elytra, antennal segment 3 equals the combined length of segments 1 and 2; last segment of palpi pointed.

Pronotum as wide as long, punctated, densely pubescent, with fine yellow setae; disc with apical margin inwardly sinuate, basal margin straight, apical margin without lateral region projecting forward; disc laterally with anterior two-thirds convex, posterior third divergent, hind angle blunt, acute; median groove shallow; lateral bead narrow.

Elytra sub-parallel, long, densely pubescent with yellow setae; humerus narrow, straight, corners rounded; apex with very faint re-entrant angle, having narrow membranous border; scutellum small, pointed; striations weak, intervals shallow.

Distribution. INDIA: Bihar: Pusa. BANGLADESH: Dhaka.

Figures

FIGURE 2. Dorsal habitus of Indian Brachinus species (cont.): a) B. flaviventris Chaudoir, 1876 (syntype, MNHN); b) B. hazardi Andrewes, 1930 (holotype, BMNH); c) B. illotus Chaudoir, 1876 (syntype, MNHN); d) B. limbellus Chaudoir, 1876 (syntype, MNHN); e) B. limbicollis Chuadoir, 1876 (syntype, MNHN); f) B. modestus Schmidt-Göbel, 1846 (holotype, NMPC); g) B. peltastes Andrewes, 1931 (holotype, BMNH); h) B. reyi Andrewes, 1924 (holotype, BMNH); i) B. sordidus Andrewes, 1933 (holotype, BMNH)