Sulciclivina bhamoensis ( Bates, 1892 )

Balkenohl, Michael, 2023, Revision of the genus Sulciclivina Balkenohl, 2022 from Asia (Coleoptera, Carabidae, Clivinini), European Journal of Taxonomy 915 (1), pp. 1-57 : 14-17

Sulciclivina bhamoensis ( Bates, 1892)

Figs 7 , 28, 38, 53

Clivina attenuata Herbst var. bhamoensis Bates, 1892: 275 (original description).

Clivina attenuata var. bhamoensis – Andrewes 1929: 356 (catalogue); 1930: 111 (catalogue).

Clivina bhamoensis – Kult 1951: 25 (catalogue). — Balkenohl 2001: 14 (catalogue). — Lorenz 2005: 145 (catalogue); 2022: 5ZB8D (catalogue).

Sulciclivina bhamoensis – Balkenohl 2022: 108 (anatomy and new combination).

Diagnosis

A larger-sized species with a peltate-like pronotum and interval eight of the elytra and parts of interval seven reticulated. It can be distinguished from the most similar species S. attenuata attenuata by the completely fused lateral lobe of the clypeus with the clypeal wing, the presence of a second group of punctures on the pronotum, which is located paramedially, the more distinctly swollen proepisternum, and less punctate striae of the elytra. The lobe of the mentum shows askew carinae and the median tooth is wide and nearly as far protruding anteriorly as the lobe whereas in S. mikirensis sp. nov., the lobe of the mentum is flattened with a small carina at middle and the median tooth is wide, distinctly less projecting anteriorly than the lobe, flattened apically and rounded off. In addition, the male and female genitalia are uniquely different.

Type material

Lectotype (by present designation)

MYANMAR • ♂; with beige, black framed black printed and handwritten with black ink label and data: “Birmania Bhamo Fea XI 1886 ” / “ Clivina v. bhamoensis Bts. ” / circle, green framed and black printed “Cotype” / white, black printed “ H.E.Andrewes Coll. B.M.1945-97” / white, handwritten in black ink and black printed “ Clivina Bhamoensis Bat. 57 det. K. Kult ” / red, black printed “LECTOTYPE Sulciclivina bhamoensis ( Bates, 1892) des. M.Balkenohl 2023”; NHMUK. [received with missing left hind leg and four terminal tarsomeres of the right leg].

Paralectotypes

MYANMAR • 2 ♀♀; with beige, black framed black printed and handwritten with black ink label and data: “Bhamo Birmania Fea VIII 1885 ” / “attenuata v. bhamoensis n.” / white, black framed and red printed “Syntype”; RBINS • 1 ♂; with beige, black framed black printed and handwritten with black ink label and data: “ Bhamo Birmania Fea VII 1886 ” / “Bought from Janson, 1917” / white, black printed “COLLECTIO KAREL KULT COLL.A.DOSTAL, 1999” / white, handwritten with black ink and printed “ Eoclivina bhamoensis (Bts.) det. Dr. A. Dostal 2000” [received with median lobe of the aedeagus dissected and dry glued, with missing parameres, with three missing sternites]; CADW .

Remark. Bates (1892) mentioned in the description “numerous examples”. There is no indication by any author where other specimens went, but they may be in MNHN.

Additional material

INDIA • 1 ♀; “NE INDIA, ASSAM, Bhalukpong ; 16-18 May 2007; 27°02′ N 92°35′ E; 150m; P.Pacholátko leg.” / “ CLIVINA (Eoclivina) sp. P.Bulirsch det. 2016”; NHMB • 1 spec.; “NE India: ASSAM Barpeta distr., Barpeta Road ; 23-24 Jun. 1995 ” / “ L. Bartolozzi & K. Werner legit (di note all luci) (num. mag. 1715)”; MSNF .

Redescription

MEASUREMENTS. Lectotye: body length 8.25 mm, width 2.36 mm; L/W of pronotum 0.97; L/W of elytra 1.99. All material: body length 7.4–8.25 mm (ẍ: = 7.98 mm *), width 2.17–2.36 mm (ẍ: = 2.27 mm *), L/W of pronotum 0.94–1.02 (ẍ: = 0.97*), L/W of elytra 1.84–1.99 (ẍ: = 1.91*); (*n = 5).

COLOUR. Glossy. Piceous. Labrum, intermediate and hind leg dark-fuscous, antenna and tarsomeres of front leg fuscous. Supraantennal plate at the extreme margin translucent-fuscous.

HEAD. A third narrower than pronotum. Clypeus with central part slightly bilobed anteriorly; lateral lobe distinctly projecting and completely fused with clypeal wing; convexity of supraantennal plate laterally less dominantly developed, distinctly less projecting laterally than eye; clypeus, wing, and supraantennal plate reflexed margined. Supraantennal plate overlapping eye anteriorly by around twenty percent (dorsal view), with supraorbital keel extended up to mid-eye level, separated from wing by sharp notch. Clypeus transverse, slightly convex, separated from frons by distinct sharp step and sulcus, step and sulcus in form like an inverted slightly rounded flat V. Frons moderately convex, with small but distinct arch-like impression at middle, with supraorbital carina up to posterior eye-level. Clypeus smooth, frons with minute scattered punctures basolaterally, separated from supraantennal plate and supraorbital carina by deep moderately wide furrow, furrow slightly widening at the posterior end; with two supraorbital setigerous punctures at posterior third of eye. Neck constriction missing. Eye semi-hemispherical projecting postero-laterally in dorsal view. Main part of eye situated ventrally where it is also globose. Due to the overlapping supraantennal plate, the eye resembles in lateral view the shape of a kidney. Gena distinct, moderately convex, covering a quarter of posterior eye in ventral view.Antenna relatively short, reaching middle of pronotum, antennomeres five to ten of moderate length (L/W around 1.2). Labrum slightly trilobed anteriorly, with isodiametric reticulation, six setose. Mentum with transverse reticulation at middle, lobe slightly concavely hollowed out, shape of lobe oval, with isodiametric reticulation, with askew carinae, with long and sharp carina at middle, median tooth wide, nearly as far protruding anteriorly as lobe, hollowed out and obtusely angled anteriorly.

PRONOTUM. Disk moderately convex in lateral and distinctly convex in frontal view. As long as wide. Reflexed lateral margin nearly smooth, straight to indistinctly concave attenuating in anterior half, widest behind middle; anterior angle distinct, slightly projecting, posterior angle missing; lateral channel narrow, laterally indistinctly crenulated, completely and regularly rounded off at level of posterior setigerous puncture and continuing up to base. Median line sharp, narrow, complete. Anterior transverse line indistinctly punctured, joining median line, not joining anterior margin. Surface glossy, basolaterally with semi-circular group of eight to ten punctures of moderate size, paramedially with longitudinal cloud of punctures of moderate size, with a few transverse wrinkles, whole disk covered with microscopic punctures. Base distinctly marked, twice as wide as lateral channel. Proepisternum distinctly visible in dorsal view.

ELYTRON. Shape elongate. Disk flattened in anterior half in lateral view, distinctly convex in frontal view. Less than twice as long as wide, with maximum width slightly behind middle. Reflexed lateral margin smooth. Scutellar striole missing; setigerous tubercle at base of first stria, with small but distinct tubercle at base of third interval. Humeral tooth situated at base of fourth stria. Striae moderately deep, punctuation of striae slightly impressed, one to three free at base, four reaching humerus, one and two, three and four, and five and six joining apically. Intervals moderately convex, more convex laterally, interval eight with carina apically. Setigerous punctures missing on intervals. Surface of intervals glossy, interval eight with isodiametric reticulation, in females all intervals with isodiametric reticulation at apex, in males smooth.

HIND WINGS. Alae fully developed (on the basis of five specimens).

LOWER SURFACE. Proepisternum covered with distinct isodiametric reticulation and with dense transverse wrinkles. Sternite of abdomen covered with moderately large punctures, smooth at middle but with microscopic punctures; in females in addition with distinct isodiametric reticulation laterally.

LEGS. Tibia covered with isodiametric reticulation. Protibia with three spines of moderate length, not sulcate dorsally, movable spur apically distinctly arcuate.

MALE GENITALIA (Fig. 28). Median lobe moderately slender, regularly arcuate, apex with flattened, slightly distorted, and slightly asymmetric spoon-like spatula, with no visible microtrichia on the surface. Endophallus longitudinally folded. Ventral paramere with velum-like apophysis, slightly distorted, apex with two long setae. Dorsal paramere sinus-like arcuate, hollowed out and with elongated apophysis, apex with two robust setae.

FEMALE GONOCOXITES AND EPIPLEURITE (Fig. 38). Gonocoxites foliform, widened, flattened dorsally and ventrally, with four long nematiform setae positioned at the median side, seta generating punctures not tuberculate, with one apical nematiform seta arising from attenuated tip. Epipleurite elongate-rectangular, with less widened angulated rod.

Variation

In some of the paralectotypes, the genae are nearly straight posteriorly. In the lectotype, striae one and two ending free at apex, in the paralectotypes they are joining at apex.

Sexual dimorphism

In males, only interval eight is reticulated. Females show reticulation in addition on the apex of the elytra on all intervals.

Distribution

Known to occur in Myanmar (Bhamo) and India (Assam).

Figures

Figs 4–11. Sulciclivina Balkenohl, 2022, habitus, dorsal view. 4–5. S. attenuata attenuata (Herbst, 1806). 4. ♀, lectotype (MFNB). 5. ♂ from Swat (CMBB). 6. S. attenuata semireticulata subsp. nov., ♂, holotype (MNHN). 7. S. bhamoensis (Bates, 1892), ♀, paralectotype (RBINS). 8. S. mikirensis sp. nov., ♀, holotype (NHMB). 9. S. basiangusta sp. nov., ♂, holotype (NHMB). 10. S. coxisetosa sp. nov., ♀, holotype (NHMB). 11. S. splendida sp. nov., ♂, holotype (CADW).