Pelecium atroviolaceum Straneo & Ball, 1989

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 : 29

Pelecium atroviolaceum Straneo & Ball, 1989

Figs 6I–P , 13A , 20B , 15

Specimens examined

BRAZIL • 1 ♂, 2 ♀♀; Mato Grosso, Cotriguaçu, Faz. São Nicolau ; 20 Aug. 2018; R. Stofel leg.; CEMT • 1 ♀; Mato Grosso, Cotriguaçu, Margem do Juruena ; May 2011; R.E. Vicente leg.; CEMT .

Notes

The only previously known specimen of P. atroviolaceum was the male holotype from Chapada dos Guimarães, state of Mato Grosso, in the South Brazilian dominion. The new record is from the same biogeographical dominion, but from a different province: the holotype is from the Rondônia province, while the new record is from the Madeira province.

Complementary description

ABDOMINAL TERGITE IX ( Fig. 6M ); Oval, slightly asymmetrical, sides arcuate, converging to pointed projection at base; inner anterior angle rounded; posterior portion rounded.

AEDEAGUS ( Fig. 6K–L, N–O ). With median lobe ( Fig. 6K–L ) cylindrical, elongate, asymmetrical, broadening apically; ostium long, reaching middle of median lobe; apical lamella short, abruptly narrowed, apical edges narrow; basal bulb thin; parameres ( Fig. 6N–O ) asymmetrical; left paramere longer and thinner than right paramere.

GONOCOXITE 1 ( Fig. 6P ). Outer and inner sides arcuate; inner side forming acute projection on posterior margin; anterior margin dull.

GONOCOXITE 2 ( Fig. 6P ). Elongate; basal lobe bearing ensiform setae on each side; ensiform setae long, with half to one-third the length of gonocoxite 2; slender setae at apex.

MEASUREMENTS (in mm). Male (n = 1): AL1 1.1, AL2 0.6, EL 7.5, EW 5.7, PL 4.4, PW 4.3, HL 2.0, HW 2.9, TL 13.9, TL/EW 2.4, lp2L 0.8, lp3L 0.9, lp3 W 0.7, mp3L 0.3, mp4L 0.8, mp4 W 0.6. Females (n = 3): AL1 0.9–1.3 (1.13 ±0.21), AL2 0.5–0.6 (0.57 ± 0.06), EL 6.5–8.0 (7.8 ±1.21), EW 5.0–6.4 (5.93 ± 0.81), PL 3.7–4.9 (4.40± 0.62), PW 3.9–5.0 (4.63± 0.64), HL 1.6–2.2 (1.93± 0.31), HW 2.6–3.3 (3.03 ± 0.38), TL 11.8–15.7 (14.13 ±2.06), TL/EW 2.3–2.5 (2.38 ± 0.06), lp2L 0.7–0.8 (0.75 ± 0.07), lp3L 0.7–0.9 (0.8 ±0.14), lp3 W 0.4 –0.4 (0.4 ±0.0), mp3L 0.3–0.4 (0.37 ± 0.06), mp4L 0.7–0.9 (0.8 ± 0.1), mp4 W 0.3 –0.4 (0.37 ±0.06).

Figures

Fig. 6. Habitus and dissected parts of some species of Pelecium Kirby, 1817. A–H. Pelecium zophos sp. nov., male holotype from Teresópolis, Rio de Janeiro, Brazil (A–G) (CAMB) and female paratype from Itatiaia, Rio de Janeiro, 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–P. Pelecium atroviolaceum Straneo & Ball, 1989, male from Cotriguaçu, Mato Grosso, Brazil (I–O) (CEMT) and female from Cotriguaçu, Mato Grosso, Brazil (P) (CEMT). I. Dorsal view. J. Detail of head. K–L. Median lobe. M. Tergite IX. N. Left paramere. O. Right paramere. P. Genitalia. Scale bars: A–B, I–J = 1 mm; C–H, K–P = 0.5 mm.

Fig. 13. Types of Pelecium Kirby, 1817, dorsal view. A. Pelecium atroviolaceum Straneo & Ball, 1989, allotype (MCSN), photograph by Michele Zilioli. B. Pelecium bisulcatum Straneo, 1970, holotype (MCSN), photograph by Michele Zilioli.C. Pelecium bolivianum Straneo & Ball, 1989, paratype (MUB), photograph by Bernd Jaeger. D. Pelecium brasiliense Straneo, 1962, holotype (MZSP), photograph by Guilherme Ide. Scale bars: 1 mm.

Fig. 20. Types and labels of type specimens of species of Pelecium Kirby, 1817. A. Pelecium tenellum Schaum, 1860, holotype (MUB), photograph by Bernd Jaeger.B. Pelecium atroviolaceum Straneo & Ball, 1989, allotype (MCSN), dorsal view, photograph by Michele Zilioli. C. Pelecium bisulcatum Straneo, 1970, holotype (MCSN), photograph by Michele Zilioli. D. Pelecium bolivianum Straneo & Ball, 1989, paratype (MUB), photograph by Bernd Jaeger. E. Pelecium brasiliense Straneo, 1962, holotype (MZSP), photograph by Guilherme Ide. F. Pelecium carinatum Chaudoir, 1846, lectotype (MNHN), junior synonym of Pelecium cyanipes Kirby, 1817, photograph by Azadeh Taghavian. Scale bar: 1 mm.

Fig. 15. Types of Pelecium Kirby, 1817, dorsal view. A. Pelecium fulgidum Straneo, 1962, allotype (MCSN), photograph by Michele Zilioli. B. Pelecium helenae Straneo & Ball, 1989, holotype (MZSP), photograph by Guilherme Ide. C. Pelecium helenae, paratype (MCSN), photograph by Michele Zilioli. D. Pelecium helenae, allotype (MCSN), photograph by Michele Zilioli. Scale bars: 1 mm.