Pelecium drakei Quedenfeldt, 1890

Orsetti, Artur & Lopes-Andrade, Cristiano, 2024, A contribution to the taxonomy of the genus Pelecium Kirby (Coleoptera: Carabidae: Peleciini), European Journal of Taxonomy 922, pp. 1-61 : 32

Pelecium drakei Quedenfeldt, 1890

Figs 8A–H , 14C , 21B , 26

Specimens examined

BRAZIL • 1 ♂, 2 ♀♀; Mato Grosso do Sul, Corumbá ; Dec. 2007; C. Aoki leg.; “\\ Coleção A. M. BELLO ”; CAMB .

Notes

The known specimens are from the state of Mato Grosso, Brazil, and from Colombia, all of them from the Chacoan province in the Chacoan subregion. The new records are from the state of Mato Grosso do Sul, Brazil, in the same biogeographical region as the other available records.

Complementary description

ABDOMINAL TERGITE IX ( Fig. 8E ). Oval, asymmetrical, sides converging to round and large anterior portion; right side more angulate them left side; inner anterior angle rounded; posterior portion rounded.

AEDEAGUS ( Fig. 8C–D, F–G ). With median lobe ( Fig. 8C–D ) cylindrical, asymmetrical, bent to left, sides slightly subparallel; ostium short, confined to apical third; apical lamella long, apical edges narrow; basal bulb thin. Parameres ( Fig. 8F–G ) asymmetrical; left paramere ( Fig. 8F ) elongate, posterior angle rounded; right paramere ( Fig. 8G ) trapezoid, with protuberant rounded apical angle.

GONOCOXITE 1 ( Fig. 8H ). Outer side with obtuse angle; inner side arcuate, forming acute projection on posterior margin; anterior margin dull.

GONOCOXITE 2 ( Fig. 8H ). Short; basal lobe bearing ensiform setae on each side; ensiform setae long, with half length of gonocoxite 2; slender setae at apex.

MEASUREMENTS (in mm). Male (n = 1): AL1 1.3, AL2 0.7, EL 10.9, EW 7.6, PL 5.7, PW 5.5, HL 2.7, HW 3.4, TL 19.3, TL/EW 2.5, lp2L 1.1, lp3L 1.3, lp3 W 1.2, mp3L 0.5, mp4L 0.9, mp4 W 1.0. Females (n = 2): AL1 1.2–1.3 (1.25± 0.07), AL2 0.6–0.8 (0.7 ± 0.17), EL 8.5–11.1 (9.80 ± 1.84), EW 6.7–7.9 (7.3 ± 0.85), PL 4.9–6.0 (5.45 ±0.78), PW 4.7–5.2 (4.95 ±0.35), HL 1.2–2.3 (1.75± 0.78), HW 1.6–3.4 (2.5 ± 1.27), TL 14.6–19.4 (17.0± 3.39), TL/EW 2.2–2.5 (2.32± 0.2), lp2L 0.8–0.9 (0.85 ±0.07), lp3L 0.8–0.1 (0.95 ± 0.21), lp3 W 0.6 –0.8 (0.7 ±0.14), mp3L 0.6–0.8 (0.7 ±0.14), mp4L 0.7–0.8 (0.75± 0.07), mp4 W 0.5 –0.6 (0.55 ±0.07).

Figures

Fig. 8. A–H. Pelecium drakei Quedenfeldt, 1890, male from Corumbá, Mato Grosso do Sul, Brazil (A–G) (CAMB) and female from Corumbá, Mato Grosso do Sul, Brazil (H) (CAMB). A. Dorsal view. B. Detail of head. C–D. Median lobe. E. Tergite IX. F. Left paramere. G. Right paramere. H. Genitalia. – I–J. Pelecium fulgidum Straneo, 1962, male from Encruzilhada, Bahia, Brazil (CELC). I. Dorsal view. J. Detail of head. Scale bars: A–B, I–J = 1 mm; C–H = 0.5 mm.

Fig. 14. Types of Pelecium Kirby, 1817, dorsal view. A. Pelecium carinatum Chaudoir, 1846, lectotype (MNHN), junior synonym of Pelecium cyanipes Kirby, 1817, photograph by Azadeh Taghavian. B. Pelecium cyanipes, holotype (BMNH), photograph by Keita Matsumoto. C. Pelecium drakei Quedenfeldt, 1890, lectotype (MUB), photograph by Bernd Jaeger. D. Pelecium fulgidum Straneo, 1962, holotype (MCSN), photograph by Michele Zilioli. Scale bars: 1 mm.

Fig. 21.Labels of type specimens of some species of Pelecium Kirby, 1817. A. Pelecium cyanipes Kirby, 1817, holotype (BMNH), photograph by Keita Matsumoto. B. Pelecium drakei Quedenfeldt, 1890, lectotype (MUB), photograph by Bernd Jaeger. C. Pelecium fulgidum Straneo, 1962, holotype (MCSN), photograph by Michele Zilioli. D. Pelecium fulgidum, allotype (MCSN), photograph by Michele Zilioli. E. Pelecium helenae Straneo & Ball, 1989, holotype (MZSP), photograph by Guilherme Ide.F. Pelecium helenae, paratype (MCSN), photograph by Michele Zilioli. G. Pelecium helenae, allotype (MCSN), photograph by Michele Zilioli. H. Pelecium laeve Chaudoir, 1854, holotype (MNHN), photograph by Azadeh Taghavian. I. Pelecium longicolle Straneo, 1953, allotype (MCSN), photograph by Michele Zilioli. J. Pelecium negrei Straneo, 1962, holotype (MCSN), photograph by Michele Zilioli.

Fig. 26. Map highlighting part of South America with the known occurrences, including new records, of Pelecium atroviolaceum Straneo & Ball, 1989, P. bolivianum Straneo & Ball, 1989, P. cyanipes Kirby, 1817, P. drakei Quedenfeldt, 1890, P. fulgidum Straneo, 1962, P. helenae Straneo & Ball, 1989 and P. nicki Straneo, 1955.