Neoscutops barcelosiensis, Ale-Rocha, Rosaly & Freitas, Geovânia, 2011

Ale-Rocha, Rosaly & Freitas, Geovânia, 2011, Revision of the Neotropical genus Neoscutops Malloch (Diptera: Periscelididae), Zootaxa 3016, pp. 1-28 : 6-8

publication ID	https://doi.org/ 10.5281/zenodo.200588
DOI	https://doi.org/10.5281/zenodo.6186704
persistent identifier	https://treatment.plazi.org/id/F95A87EE-FF8C-C200-AED3-CFCAFA5CFE40
treatment provided by	Plazi
scientific name	Neoscutops barcelosiensis
status	sp. nov.

Treatment

Neoscutops barcelosiensis View in CoL sp. nov.

( Figs. 7–10 View FIGURES 7 – 15 , 52 View FIGURES 51 – 58 , 63 View FIGURES 62 – 71 )

Diagnosis. Frons shiny brown with lateral margins pale brown to yellow; face dark yellow with a brown central spot forming an inverted triangle, extending from base of antennae to middle of face; scape and pedicel dark brown; first flagellomere yellow; palpus brown; thorax shiny brown except propleuron pale brown; legs brown, mid and hind tibiae with wide median yellow ring and tarsi whitish-yellow with last tarsal segments slightly darker; fore femur with ventral series of robust setae.

Description. Holotype male. Body: 3.0 mm. Wing: 3.3 mm. Thorax: 1.7 mm. Head ( Fig. 63 View FIGURES 62 – 71 ). Frons shiny brown with lateral margins pale brown to yellow. Face dark yellow with a brown central spot forming an inverted triangle, extending from base of antennae to middle of face, with scattered short and thin yellow setae, more abundant on lower half. Parafacial yellow. Gena yellow with scattered fine yellow microtomentum; setae short, weak, scattered and yellow, and 1 brown seta below. Antenna: scape and pedicel dark brown; first flagellomere yellow with golden sheen; pedicel with thin marginal setae and a group of dorsal preapical short and strong black setae; first flagellomere oval-prolonged; arista subbasal dorsal, yellow basally, slightly darker on apical 2/3, with 12–13 dorsal and 5 ventral pale brown rays. Mouthparts: proboscis pale brown to yellow; palpus brown, somewhat rectangular, approximately 3 times longer than wide, with thin yellow setulae; clypeus brown, shiny, bulged. Postcranium shiny, brown on upper half, yellow on postgena and laterally, with sparse fine yellow microtomentum and sparse slender yellow setae, a band of dense pale yellow microtomentum on lateral margin of eye. Eyes almost nude, interfacetal setae very short and sparse, inconspicuous. Setae: 1 lateral and 1 medial long, the same length, strong vertical pairs; 1 orbital pair shorter than vertical; 1 postocellar pair, divergent, as long as vertical; ocellar triangle with several short weak setae and 1 longer but weak lateral pair; all setae brown.

Thorax shiny brown except postpronotal lobe and propleuron pale brown. Scutum clothed in brown microtomentum on notopleuron and postpronotal lobe, and clothed in short pale brown setulae. Scutellum clothed in brown microtomentum. Pleurae with scattered brown microtomentum, except most of anepisternum and anterior half of katepisternum bare. Setae: 1 postpronotal, 2 notopleural, 1 postsutural supra-alar very long, longer than remaining thoracic setae, 1 postalar, 1 prescutellar dorsocentral; katepisternum setulose with 1 outstanding longer seta on upper margin; 2 elongate scutellar marginal pairs; scutellar setae pale brown and remaining setae dark brown.

Legs brown except mid and hind tibiae with wide median yellow ring and whitish-yellow tarsi with distal tarsal segments slightly darker. Fore femur with ventral series of robust and elongate setae, weak on mid and hind femora; mid tarsus with small black apical spines on ventral surface of tarsomeres 1–4. Apicoventral spine of mid tibia robust and short, not reaching middle of first tarsomere.

Wing ( Fig. 52 View FIGURES 51 – 58 ) dark brown with clearer apex; the longitudinal fold crosses the dm-cu crossvein above the middle.

Abdomen dark brown, with scattered brown microtomentum; coating setae black, short and inconspicuous dorsally, longer, strong and numerous laterally. Tergite 1+2 divided longitudinally by unsclerotized median line from base to half; sternites sclerotized, small, sternite 6 deeply concave on distal margin ( Fig. 10 View FIGURES 7 – 15 ); tergite 6 free from syntergosternite 7+8. Terminalia: phallus shortened, membranous ( Fig. 7 View FIGURES 7 – 15 ); cercus large, quadrangular, a pair of membranous setose lobes between cercus ( Fig. 8 View FIGURES 7 – 15 ); postgonites short, apically upcurved, articulated basally with anterior margin of hypandrium, on each side of the phallus; ejaculatory apodeme well developed ( Fig. 9 View FIGURES 7 – 15 ).

Female. As in the male, except setae of scutum sparse and slightly darker. Terminalia: cercus small. Not dissected.

Type material. Holotype 3 ( INPA): Brasil, Amazonas, Barcelos/ vii–viii.2007, 028'38"N, 6328'18"W/ em campina, Armadilha Malaise/ A. Filho & T. Krolow cols.. Conditions of the type: dissected abdomen, left first flagellomere lost, right first flagellomere and arista and left midleg glued on triangle of paper.

Paratype: Brasil, Amazonas, Barcelos, Serrinha, 025'05"N, 6323'05"W, Malaise em floresta, Ƥ ( INPA).

Distribution. Brazil (Amazonas).

Etymology. The specific name makes reference to the type-locality, Barcelos, in the state of Amazonas, Brazil.