Chlaenius (Chlaeniostenus) pulcher Nietner, 1857

Ullah, Mishkat, Naeem, Muhammad, Mahmood, Khalid & Garner, Beulah, 2022, Addition to the knowledge of Tribe Chlaeniini Brullé, 1834 (Coleoptera: Carabidae) from Pakistan, Zootaxa 5115 (4), pp. 451-486 : 466

Chlaenius (Chlaeniostenus) pulcher Nietner, 1857

( Fig. 5c )

Chlaenius pulcher Nietner, 1857: 242 ; Chlaenius marginifer Chaudoir, 1876: 118 ; Chlaenius marginatus Dejean, 1826: 41 .

Material examined. PAKISTAN • 1 ♀; Punjab, Jehlum, Domaili Railway Station ; 01 Jun. 2014; Mishkat leg.; PMNH • 1 ♀; Punjab, Chakwal, Katas ; 30 May 2014; Mishkat leg.; PMNH • 1 ♀; Attock, Akhori ; 29 May 2014, Mishkat leg.; PMNH .

Measurements. Female (n=5): TL= 16.22 mm, HW= 3.10 mm, PL= 3.32 mm, PW= 3.83 mm, EL= 9.52 mm, EW= 3.08 mm. Ratios PL/PW= 0.86, HW/PW= 0.80 and EL/EW= 3.08.

Diagnosis. Body elongated, head metallic green, frons and vertex sparsely setiferous punctate, neck rugose. Labrum, antenna article I, maxillary palp article I, all legs and elytral lateral border yellowish brown; mandibles, rest of the maxillary palpi and antennal segment reddish brown. Antenna article III one fourth longer than article IV. Pronotum metallic green, surface wrinkled, apical margin sparsely and basal margin densely setiferous punctate, basal fovae faint. Pronotum antero-lateral angles rounded, apical margin almost straight, widest at middle, postero-lateral right angled and basal margin straight. Elytra metallic green with slight coppery tinge; striae with evenly spaced setiferous punctures; intervals flat with isodiametric microsculpture, laterally borderd with a row of minute setiferous punctures. Elytra lateral border yellowish brown spread over interval IX throughout and expanding slightly at apex.

Comments. In general habitus and size of this species resembles Ch. (Chlaeniostenus) circumdatus circumdatus . However, Ch. (Chlaeniostenus) pulcher dorsal habitus is entirely green, pronotum basal fovea obsolete, elytral intervals flat. Ch. (Chlaeniostenus) circumdatus circumdatus dorsal habitus is black with head, pronotum and elytra metallic copper greenish tinge; pronotum basal fovea deep and elytral intervals convex. In northern Pakistan, this species was recorded from Chakwal, Jehlum and Attock areas. Whereas (collection) material examined indicates it is widely distributed from Pakistan to Sri Lanka.

Distribution. China, India, Sri Lanka (Anichtchenko 2017; Lorenz 2018) and Pakistan (Azadbakhsh 2017).

Figures

FIGURE 5. Dorsal habitus (a) Chlaenius (Chlaeniostenus) circumdatus circumdatus Brullé, 1835; (b) Chlaenius (Chlaeniostenus) nitidicollis Dejean, 1826; (c) Chlaenius (Chlaeniostenus) pulcher Nietner, 1857; (d) Chlaenius (Epomis) duvaucelii (Dejean, 1831).