Pelecium nicki Straneo, 1955

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 : 39

Pelecium nicki Straneo, 1955

Figs 10I–P , 16D , 17A , 22A, 22B , 26

Specimens examined

BRAZIL • 2 ♂♂; Santa Catarina, Florianopolis, UCAD; 5–12 Jan. 2004; C. Espirito Santo leg.; CERPE • 3 ♂♂, 1 ♀; Santa Catarina, Florianopolis, UCAD; 3–10 Nov. 2003; C. Espirito Santo leg.; CERPE • 1 ♂; same collection data as for preceding; FZBR • 1 ♂, 1 ♀; Rio de Janeiro, Itatiaia, P.N. do Itatiaia ; Jan. 1957; L.C. Alvarenga leg.; MZSP • 1 ♂; Rio de Janeiro, Itatiaia, P.N. Itatiaia ; Jan. 1993; CERPE • 1 ♂; Santa Catarina, Urubici, Pq. Nac. São Joaquim ; Jun.–Dec. 2015; P.G. da Silva leg.; CAMB • 1 ♀; Santa Catarina, Florianópolis; 9 Mar. 2013; P.G. Silva leg.; CERPE .

Notes

Known specimens of P. nicki are from the states of Paraná and Santa Catarina, South Region of Brazil, in the Pampean and the Paraná Forest provinces, respectively. The new record is from the Atlantic Forest province in the Paraná dominion.

Complementary description

ABDOMINAL TERGITE IX ( Fig. 10M ). Oval, asymmetrical; sides subparallel at base and converging at middle in projection on apex; inner anterior angle rounded; apex straight with inner posterior angle rounded.

AEDEAGUS ( Fig. 10K–L, N–O ). With median lobe ( Fig. 10K–L ) cylindrical, slender, asymmetrical; slightly sinuous, apical portion expanded; ostium very short, confined to apical fourth; apical lamella moderately long, abruptly narrowed; apical edge sharp; basal bulb thin. Parameres ( Fig. 10N–O ) asymmetrical, left paramere ( Fig. 10N ) securiform, longer and thinner than right paramere ( Fig. 10O ).

GONOCOXITE 1 ( Fig. 10P ). Outer and inner sides arcuate; inner side forming acute projection on posterior margin; anterior margin dull.

GONOCOXITE 2 ( Fig. 10P ). Elongate; basal lobe bearing ensiform setae on each side; ensiform setae long, with half the length of gonocoxite 2, inner ensiform setae visibly longer than external setae; slender setae at apex.

MEASUREMENTS (in mm). Males (n = 9): AL1 0.6–0.9 (0.77± 0.12), AL2 0.3–0.5 (0.39 ± 0.08), EL 5.3–6.7 (5.76 ± 0.45), EW 3.9–5.4 (4.46 ± 0.42), PL 3.0–4.0 (3.39 ± 0.31), PW 3.1–4.0 (3.48 ±0.27), HL 1.4–2.0 (1.63± 0.18), HW 2.2–2.8 (2.44 ±0.19), TL 9.7–12.7 (10.78 ± 0.93), TL/EW 2.3–2.6 (2.42 ± 0.09), lp2L 0.5–0.7 (0.57 ±0.07), lp3L 0.6–0.8 (0.67 ± 0.07), lp3 W 0.4 –0.5 (0.42 ± 0.04), mp3L 0.3–0.4 (0.31± 0.03), mp4L 0.6–0.8 (0.68 ± 0.08), mp4 W 0.4 –0.6 (0.43 ± 0.07). Females (n = 3): AL1 0.7–0.8 (0.73± 0.06), AL2 0.3–0.4 (0.33 ± 0.06), EL 5.3–6.0 (5.63± 0.35), EW 4.2–4.4 (4.33 ±0.12), PL 3.2–3.3 (3.23± 0.06), PW 3.4–3.3 (3.43± 0.06), HL 1.3–1.5 (1.43± 0.12), HW 2.2–2.4 (2.3 ± 0.1), TL 10.0–10.8 (10.3± 0.44), TL/EW 2.3–2.5 (2.38 ± 0.09), lp2L 0.5–0.6 (0.53± 0.06), lp3L 0.5–0.6 (0.57± 0.06), lp3 W 0.2 –0.3 (0.27 ± 0.06), mp3L 0.2–0.3 (0.27 ±0.06), mp4L 0.6–0.6 (0.60 ±0.0), mp4 W 0.3 –0.3 (0.3 ±0.0).

Figures

Fig. 10. A–H. Pelecium negrei Straneo, 1962, male from Itapetinga, Bahia, Brazil (A–G) (CEMT) and female from Boa Nova, Bahia, Brazil (H) (CEMT). 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 nicki Straneo, 1955, male from Florianópolis, Santa Catarina, Brazil (I–O) (CERPE) and female from Florianópolis, Santa Catarina, Brazil (P) (CERPE).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. 16. Types of Pelecium Kirby, 1817, dorsal view. A. Pelecium laeve Chaudoir, 1854, holotype (MNHN), photograph by Azadeh Taghavian. B. Pelecium longicolle Straneo, 1953, allotype (MCSN), photograph by Michele Zilioli. C. Pelecium negrei Straneo, 1962, holotype (MCSN), photograph by Michele Zilioli. D. Pelecium nicki Straneo, 1955, holotype (MCSN), photograph by Michele Zilioli. Scale bars: 1 mm.

Fig. 17.Types of Pelecium Kirby, 1817, dorsal view.A. Pelecium nicki Straneo, 1955, paratype (MCSN), photograph by Michele Zilioli. B. Pelecium obtusum Straneo, 1953, holotype (MCSN), photograph by Michele Zilioli. C. Pelecium paulae Straneo & Ball, 1989, holotype (MCSN), photograph by Michele Zilioli. D. Pelecium politum Schaum, 1860, syntype (MUB), junior synonym of Pelecium laeve Chaudoir, 1854, photograph by Bernd Jaeger. Scale bars: 1 mm.

Fig. 22. Labels of type specimens of some species of Pelecium Kirby, 1817. A. Pelecium nicki Straneo, 1955, holotype (MCSN), photograph by Azadeh Taghavian. B. Pelecium nicki, paratype (MCSN), photograph by Azadeh Taghavian. C. Pelecium obtusum Straneo, 1953, holotype (MCSN), photograph by Azadeh Taghavian. D. Pelecium paulae Straneo & Ball, 1989, holotype (MCSN), photograph by Azadeh Taghavian. E. Pelecium politum Schaum, 1860, syntype (MUB), junior synonym of Pelecium laeve Chaudoir, 1854, photograph by Bernd Jaeger.F. Pelecium punctatostriatum Straneo, 1970,paratype (MCSN), photograph by Azadeh Taghavian. G. Pelecium punctatum Straneo, 1953, holotype (MCSN), photograph by Azadeh Taghavian. H. Pelecium renati Straneo, 1953, holotype (MCSN), photograph by Azadeh Taghavian. I. Pelecium rotundipenne Schaum, 1860, lectotype (MUB), photograph by Bernd Jaeger. J. Pelecium rotundipenne, paralectotype (MUB), photograph by Bernd Jaeger. K. Pelecium semistriatum Straneo & Ball, 1989, allotype (MCSN), photograph by Azadeh Taghavian.

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.