Stenocolletes pictus Schrottky, 1909

Lucia, Mariano, Alvarez, Leopoldo J., Gonzalez, Victor H. & Abrahamovich, Alberto H., 2013, The identity of the enigmatic genus Stenocolletes Schrottky (Hymenoptera: Tiphiidae), Zootaxa 3652 (4), pp. 492-496 : 493-495

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Stenocolletes pictus Schrottky, 1909


Stenocolletes pictus Schrottky, 1909

( Figures 1–4 View FIGURES 1 – 4 )

Stenocolletes pictus Schrottky, 1909: 253 [Neotype: MLP; 3, Salto, Córdoba, Argentina] [new neotype designation]

Plesiomorpha albinervis Brèthes : Jörgensen, 1912: 278 [nomen nudum]

Plesiomorpha albinervis Brèthes, 1913: 109 [Holotype: MACN; Ƥ, La Paz, Mendoza, Argentina]; Genise, 1984: 204 [unnecessary type designation] [new synonym]

Calchaquila albinervis (Brèthes, 1913); Genise, 1984: 204.

Description: Body length 7.6 mm, head length 1.65 mm, head width 1.70 mm, mesosoma width 1.35mm, metasoma width (as measured across second tergum) 1.55 mm. Coloration. Color black, except dark brown to black on antenna and whitish yellow as follows: mandible, except light brown at margins and apex; face as in Fig. 1 View FIGURES 1 – 4 ; gena with narrow band along outer margin of compound eye; pronotum with transverse band along posterior margin ( Fig. 2 View FIGURES 1 – 4 ); tegula (except translucent margin); metanotum with median spot; femora apically on outer surface; meso- and metatibiae basally and apically on outer surface; meso- and metatarsi; second to fourth terga with medially interrupted bands (band on T 4 weakly marked). Wing membrane hyaline, veins whitish, pterostigma pale yellow ( Fig. 3 View FIGURES 1 – 4 ). Pubescence. White; head and mesosoma with abundant long, erect simple hairs; terga and sterna with short, simple, decumbent hairs. Sculpturing. Head and mesosoma with large, dense punctures. Metasomal terga with punctures sparse, fine; apical margins translucent, pale whitish-yellow. Structure. Compound eyes converging below, upper ocular distance 1.16 mm, lower ocular distance 1.06 mm; antennae with 11 flagellomeres (length of scape, pedicel and flagellomeres 1 to 3: 0.34 mm: 0.12: 0.22: 0.28: 0.28, respectively); flagellomeres 7 and 8 carinate; clypeus projected medially with apex rounded ( Fig. 1 View FIGURES 1 – 4 ).

Distribution. ARGENTINA: Catamarca, Córdoba, Mendoza, Neuquén, Rio Negro, San Juan and Salta. This species occurs along the Monte phytogeographical province, from Salta to Rio Negro (Genise 1984). New record. ARGENTINA. Córdoba (see comments below).

Comments. The specimen designated herein as neotype of Stenocolletes pictus is deposited at MLP and has the following label data: Salto, Córd. [=Córdoba], 3.XII. 1942 [rectangular handwritten label] // Plesiotipus Stenocolletes pictus Schrottky 3 [handwritten] Det. A. Ogloblin // NEOTYPE Stenocolletes pictus Schrottky des. M. Lucia, L. J. Alvarez, V. H. Gonzalez & A. H. Abrahamovich 2013 [red rectangular label].

Brèthes (1913: 109) described Plesiomorpha albinervis from a single female specimen, as he explicitly indicated in the original description. Thus, such a specimen is the unique type because no other specimens are mentioned in the original description and Genise’s (1984: 205) designation of this specimen as lectotype is not necessary.