Pheropsophus indicus, Venugopal & Thomas, 2019

Venugopal, Akhil S. & Thomas, Sabu K., 2019, Bombardier beetles of the genus Pheropsophus Solier 1833 (Carabidae: Brachininae: Brachinini) from Indian subcontinent, Zootaxa 4608 (1), pp. 65-89: 86

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Pheropsophus indicus

sp. nov.

Pheropsophus indicus   sp. nov.

( Fig. 4 B View FIGURE 4 , 5 B View FIGURE 5 )

Specimens examined (n=2): Holotype, labelled “ Male, India: Kerala: Palakkad (10.806420°N, 76.690174°E), Hand Picking (Wet Paddy field), 26.XI.2017, coll. M. Divya ” GoogleMaps   ; Paratype, male, India: Karnataka, 2013, coll. A. Anichtchenko.  

Description. TLA: 15.8 mm; TW: 6.6 mm

Colour: Black head, pronotum and elytra. Black spot on head wide, widest towards pronotum, broad ‘M’ shaped black spot on vertex of head with a narrow extension up to the clypeus; clypeus and labrum black; epistome, margin around the eyes, reddish yellow; maxillary and labial palpi, reddish brown; eyes grey; first four antennal segments light reddish yellow, segments 2–4 with reddish brown ring on the apical portion, segments 5–11 reddish brown; scutellum black; humeral spot pale reddish yellow; legs with coxa, trochanter, femur, tibiae and 1 st segment of tarsi, reddish yellow; rest of the tarsal segments reddish brown; claws dark brown; apex of femur with wide black spot; underside of head reddish yellow, gula well-marked with reddish brown gular suture; prothorax including the prosternum black; mesosternum black; metasternum anterior half reddish yellow and posterior half black; metepisternum black.

Head: Stout, smooth, glabrous, shiny, neck wrinkled; eyes protruding, with one supraorbital setae in the mid region above eye; antennae long, reaching the middle of elytra.

Pronotum: Wider than long, smooth, glabrous except for a group of minute seta lining the apical margin; basal and apical margins straight, corners of apical and basal margin rounded, anterior 3/4 th of the lateral margin convex, posterior 1/4 th straight; deep median furrow; lateral bead narrow.

Elytra: Subparallel, widest in the middle; humerus pronounced, rounded, humeral spot large; narrow median transverse band extending between 3 rd and 8 th stria, with strongly serrated edges, rounded and pointed towards suture; apical band narrow, reddish yellow, extending along the apical portion of stria; striations narrow, intervals wide, flat, glabrous.

Male Genitalia: Median lobe slender compared to P.devagiriensis   sp. nov.; highly arcuate, apex pointed.

Measurements: Holotype Male, TLA= 16.16 mm; TLB= 15.84 mm; TW= 6.64 mm; PL = 3.28 mm; PW = 3.44 mm; EL = 9.52 mm.

Type Material: 1 ex. Holotype, male, India: Kerala: Palakkad (10.806420°N, 76.690174°E), Hand Picking (wet paddy field), 26.XI.2017, coll. M. Divya, deposited at ZSIC. GoogleMaps  

Paratype, male, India: Karnataka, 2013, coll. A. Anichtchenko.  

Geographical distribution. INDIA: Kerala: Palakkad   ; Karnataka

Collecting Circumstances: Handpicked from a paddy field of Palakkad ( India: Kerala), a region belonging to the Palakkad gap.

Etymology: Named after ‘India’.

Remarks. Pheropsophus indicus   sp. nov. is similar to P. occipitalis   , but differs in having broad ‘M’ shaped black spot on head, entirely black pronotum with straight apical and basal margins, broad elytra and narrow elytral median transverse band.