Chlaenius (Epomis) duvaucelii ( Dejean, 1831 )

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 : 466-468

Chlaenius (Epomis) duvaucelii ( Dejean, 1831)

( Fig. 4d )

Epomis duvaucelii Dejean, 1831: 668 .

Material examined. PAKISTAN • 1 specimen; Islamabad, Sector D-16; 19 Apr. 2015; Mishkat leg.; PMNH • 1 ♂; Islamabad, Sara-e-Kharbooza ; 19 Apr. 2015; Mishkatullah leg.; PMNH • 1 ♂; Khyber Pakhtunkhwa, Abbotabad ; 06 Sep. 2007; Amjad leg.; NIM • 1 ♂, 2 ♀; “ N.W. India ” [Khyber Pakhtunkhwa]; Chlaenius duvaucelii Dej. By H.E. Andrewes det. [Male specimen with yellow determination label]; NHMUK (B.M. 1984-19) ; Chlaenius duvaucelii Dej. By H.E. Andrewes (male specimen with yellow determination label); NHMUK (H.E. Andrewes Collection 1945-97).

Measurements. Male (n=5): TL= 21.34 mm, HW= 3.73 mm, PL= 4.27 mm, PW= 5.34 mm, EL= 13.35 mm, EW= 4.30 mm. Ratios PL/PW= 0.79, HW/PW= 0.69 and EL/EW= 3.10.

No females were studied / available for study.

Diagnosis. Head, pronotum and elytra metallic dark cyan green. Antennal articles I–III, legs except tarsus and elytral border interval IX yellowish brown. Palpomeres, antennal articles IV–IX, all tarsus reddish brown. Maxillary palpi terminal article truncate. Clypeus smooth, frons sides sparsely punctate towards eyes and smooth at midpoint; vertex and neck area densely covered with deep setiferous punctures. Pronotum, wider than long, apical margin moderately covered with deep setiferous punctures becoming denser towards basal margin, posterior angles obtuse, base slightly concave at midpoint slightly oblique to sides. Elytral striae fine, shallow and distinctly punctate; intervals, slightly raised and densely setiferous punctate.

Comments. This species differs from Chleanius (Epomis) nigricans Wiedemann, 1821 on the following basis, head and pronotum with metallic coppery to green tinge; elytra black with metallic green tinge at base and lateral margin, intervals convex laterally with wide deep setiferous punctures/fovae and middle mostly smooth, interval VIII & IX densely setiferous punctate. In this current study, this species was recorded from Islamabad and Abootabad. This is the first time this species is reported from Pakistan. Earlier, Ch. duvacelii was recorded only from India.

Distribution. India (Anichtchenko 2017; Lorenz 2018) and Pakistan (first country record).

Figures

FIGURE 4. Dorsal habitus (a) Chlaenius (Chlaenius) scapularis Chaudoir, 1876 imaged from NHMUK collection; (b) Chlaenius (Chlaeniellus) laeviplaga frater Chaudoir, 1876; (c) Chlaenius (Chlaeniellus) tenuilimbatus Ballion, 1871 imaged from NHM collection; (d) Chlaenius (Chlaeniellus) velocipes Chaudoir, 1876 imaged from NHMUK collection.