Brachinus andamanensis Tian & Deuve, 2015

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 : 578-579

Brachinus andamanensis Tian & Deuve, 2015

Brachinus andamanensis Tian & Deuve, 2015: 235

Type locality. India: Andaman .

Type depository. MNHN .

Specimen examined. No specimens seen, description summarized from Tian & Deuve (2015).

Description. Length 15.0 mm. Head, pronotum, scutellum and elytra brownish black; two reddish yellow spots on the frons; antennae with segments 1–4 light reddish brown, remaining segments dark brown; legs dark reddish yellow.

Head with frons and vertex smooth, neck punctated and wrinkled; eyes only slightly protruding; antennae reaching the middle of elytra, with segment 3 longer than segments 1 and 2 combined.

Pronotum smooth, disc convex, glabrous; basal and apical margins straight without sinuation, apical margin with anterior projection on lateral sides; disc laterally with anterior three-fourths convex and posterior fourth straight, hind angles almost forming a right angle, blunt, not projecting laterally; median groove shallow, deep and wide just before base; anterior and posterior sulcus deep, well impressed; lateral beads broad.

Elytra with humerus obsolete, base narrowed, widest just before apex; apex obliquely truncate, rounded, not forming any re-entrant angle; elytra smooth with dense setae along the lateral and apical portion of disc, with central region of disc less pubescent.

Distribution. INDIA: Andaman Islands.

Remarks. This species is recorded only from the Andaman Islands ( India), which are distant from the Indian mainland. It is different from all other Indian Brachinus with the presence of two reddish yellow spots on frons (head).