Stigmella pseudoconcreta Remeikis & Stonis, 2014

Stonis, Jonas R., Remeikis, Andrius & Davis, Donald R., 2014, Ten new species from the Patagonian Andes (Argentina and Chile), mostly belonging to a newly designated Stigmella purpurimaculae group (Lepidoptera: Nepticulidae), Zootaxa 3887 (3), pp. 321-353 : 329

publication ID	https://doi.org/ 10.11646/zootaxa.3887.3.3
publication LSID	lsid:zoobank.org:pub:25338EEF-328B-442A-A44C-7C412D16DDAA
DOI	https://doi.org/10.5281/zenodo.4952682
persistent identifier	https://treatment.plazi.org/id/03DB87D0-FFC5-FFB5-02B6-FF1D4D50FB51
treatment provided by	Felipe
scientific name	Stigmella pseudoconcreta Remeikis & Stonis
status	sp. nov.

Treatment

6. Stigmella pseudoconcreta Remeikis & Stonis View in CoL , sp. nov.

( Figs 5 View FIGURES 3–6 , 23, 24 View FIGURES 23–30 , 65–68 View FIGURES 65–68 )

Diagnosis. Externally this species is the most similar to S. concreta and the uniformly marked specimens of S. cana . From S. cana it differs in the shorter antenna, the orange frontal tuft, the presence of anterior processes of the gnathos, and the stronger chitinization of the phallus; from S. concreta , in the absence of sublateral lobes and a less massive transtilla, the narrowed lobes of the vinculum, the stronger chitization of the phallus, and in the orange tuft on the head (in S. concreta the tuft is always very dark).

Male ( Fig. 23, 24 View FIGURES 23–30 ). Forewing length about 2.0 mm; wingspan 4.5 mm. Head: palpi pale grey; frontal tuft greyish orange; collar and scape whitish; antenna longer than half the length of forewing; flagellum with about 33 segments, dark grey on upper side and underside. Thorax, tegulae and forewing uniform, dark grey with golden to silver gloss, without pattern, and apical purplish brown spot; apex of forewing and terminal cilia grey with some yellowish brown shading; tornal cilia grey; underside of forewing dark grey, with weak purplish iridescence and no androconia. Hindwings and its cilia grey on upper side and underside, with no androconia. Legs shiny, brownish grey, but greyish cream on underside and distaly. Abdomen dark grey; anal tufts short, brownish cream; anal plates greyish cream.

Female. Unknown.

Male genitalia ( Figs 5 View FIGURES 3–6 , 65–68 View FIGURES 65–68 ). Capsule longer (450–455 µm) than wide (225–230 µm). Vinculum with two large but pointed lateral (anterior) lobes. Uncus with long caudal lobes (slightly curved in Figs 65, 66 View FIGURES 65–68 ). Gnathos with two long narrow caudal processes and two shorter, almost triangular anterior processes ( Figs 66, 67 View FIGURES 65–68 ); central plate of gnathos like a narrow transverse bar. Valva ( Figs 65, 66 View FIGURES 65–68 ) 175 µm long, 75 µm broad, with very large slightly curved and pointed apical process; inner lobe very broad and rounded; transtilla with tiny sublateral processes ( Fig. 67 View FIGURES 65–68 ) or without processes. Phallus ( Figs 5 View FIGURES 3–6 , 68 View FIGURES 65–68 ) 220–225 µm long, 120–125 µm broad; chitization of phallus tube is partially reduced on ventral side at distal 1/2; vesica with numerous small dentate ( Fig. 5 View FIGURES 3–6 ) and some small, spine-like cornuti (the latter comprise only 10–15% of all the cornuti). Manica absent.

Bionomics. Holotype collected in October. Otherwise unknown.

Distribution. This species occurs in the southern Andes ( Argentina) at an altitude about 800 m (see Material).

Type material. Holotype: ♂, ARGENTINA, Río Negro, S. C. de Bariloche, Colonia Suiza , elevation ca. 800 m, 19.x.1981, Nielsen & Karsholt, genitalia slide no. RA 505♂ ( ZMUC).

Etymology. The species is named after the similar species, S. concreta sp. nov.