Neoscutops manuensis, 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 : 11-14

publication ID	https://doi.org/ 10.5281/zenodo.200588
DOI	https://doi.org/10.5281/zenodo.6186718
persistent identifier	https://treatment.plazi.org/id/F95A87EE-FF83-C20A-AED3-CB07FB40FD65
treatment provided by	Plazi
scientific name	Neoscutops manuensis
status	sp. nov.

Treatment

Neoscutops manuensis View in CoL sp. nov.

( Figs. 21–24 View FIGURES 16 – 24 , 56 View FIGURES 51 – 58 , 67 View FIGURES 62 – 71 )

Diagnosis. Frons and face broad, shiny yellow; antenna yellow; palpus pale brown; scutum dark brown with anterior margin of pronotum, postpronotal lobe and notopleuron pale yellow; legs brown with femora-tibiae articulations yellow, a wide yellow ring in middle of mid and hind tibiae, and tarsi yellow with apical tarsomeres brown.

Description. Holotype male. Body: 3.8 mm. Wing: 2.9 mm. Thorax: 1.6. Head ( Fig. 67 View FIGURES 62 – 71 ). Frons and face broad, shiny yellow. Face with sparse, short, fine brown setae on lower margin. Parafacial with scattered, short, fine dark brown setae. Gena pale yellow with dense yellow microtomentum and short, fine brown setae. Antenna: yellow; pedicel with numerous short brown setae; first flagellomere elongate-oval; arista sub-basal dorsal with 9 dorsal and 4 ventral, long rays. Mouthparts: proboscis yellow; palpus pale brown with apex brown, elongate, about 4 times longer than wide, apex slightly rounded with short black setae; clypeus yellow, bulged. Postcranium brown on upper half and yellow on postgena, with band of dense silvery microtomentum on lateral of eyes. Eyes nude, interfacetal setae not observed. Setae: 1 lateral and 1 medial vertical pair, black and robust, lateral pair smaller than medial pair; 1 orbital pair inserted on the half of frons, well developed, reclinate and black, and few fine short brown setae below; 1 short postocellar pair, divergent and black; ocellar triangle with one black, somewhat robust crossed pair and few slender pale brown setae.

Thorax. Scutum shiny, dark brown with anterior margin of pronotum, postpronotal lobe and notopleuron pale yellow; clothed in fine short brown setae. Scutellum pale brown on margin and yellowish on disc, subscutellum pale brown, both clothed in pale microtomentum. Pleurae dark brown with dense gold microtomentum except for a shiny bare area that extends from lower half of anepisternum to upper half of katepisternum. Setae: 1 postpronotal, 2 notopleural, 1 postsutural supra-alar, 1 postalar short, 1 dorsocentral prescutellar robust and shortened, 1 strong seta on upper margin of the katepisternum and few fine short setae lower; scutellum with 1 long robust yellow lateral pair; remaining setae brown.

Legs brown with femora-tibiae articulations yellow, a wide yellow ring in middle of mid and hind tibiae, and tarsi yellow with apical tarsomeres brown. Femora without spines; fore femur with two strong sub-basal posterior setae; mid tarsus with small black apical spines on ventral surface of tarsomeres 1–4. Apicoventral spine of mid tibia very short and slender, not reaching middle of first tarsomere.

Wing ( Fig. 56 View FIGURES 51 – 58 ) brown basally and on costal margin, remaining part pale; the longitudinal fold crosses the crossvein dm-cu in the middle.

Abdomen brown, clothed in brown microtomentum; coating setae yellow, short, thin and scattered, longer laterally. Sternite 6 as in Figure 24 View FIGURES 16 – 24 ; tergite 6 free from syntergosternite 7+8. Terminalia: phallus slender ( Fig. 22 View FIGURES 16 – 24 ); cercus rounded dorsally with a small lobe ventrally ( Fig. 21 View FIGURES 16 – 24 ); postgonite slender with divergent apex; ejaculatory apodeme short and wide ( Fig. 23 View FIGURES 16 – 24 ).

Female. Unknown.

Type material. Holotype 3 ( USNM). PERU, Madre de Dios: / Rio Manu, Cocha / Salvador, 240m, 14.x / 1988, Amnon Freiberg. Condition of holotype: left first flagellomere and left dorsocentral seta lost; left wing mounted between cover slides; dissected abdomen.

Distribution. Peru (Madre de Dios).

Etymology. The specific name makes reference to the river of the type locality, Manu River, Peru.

Neoscutops melleus sp. nov. ( Figs. 25–28 View FIGURES 25 – 32 , 57 View FIGURES 51 – 58 , 68 View FIGURES 62 – 71 )

Diagnosis. Frons pale yellow; face yellow; antenna yellow; buccal pieces yellow except labellum brown; scutum shiny, dark brown with two brown spots anteriorly, one brown line from supra-alar region to posterior margin of scutum and one dorsocentral brown line not reaching anterior or posterior margins of scutum; legs yellow except for base of coxae dark brown, tibiae with apex brown and tarsi pale yellow.

Description. Holotype male. Body: 3.9 mm. Wing: 3.4 mm. Thorax: 1.8. Head ( Fig. 68 View FIGURES 62 – 71 ). Frons pale yellow. Face shiny yellow with numerous short slender pale brown setae. Parafacial with scattered, short, fine yellow setae. Gena yellow with dense yellow microtomentum and short, fine pale brown setae. Antenna: yellow; pedicel with numerous short brown setae; first flagellomere oval elongate; arista sub-basal dorsal, brown, with 11 dorsal and 5 ventral rays. Mouthparts: proboscis yellow with brown labellum; palpus yellow with brown apical margin, with truncate apex, 2.8 times longer than wide; clypeus yellow, bulged. Postcranium yellow, setae short, sparse, fine, yellow; microtomentum pale, very sparse and fine, without lateral band of dense microtomentum. Eyes with interfacetal setae sparse, inconspicuous. Setae: 1 lateral and 1 medial vertical well developed pair of same length, and 1 extra seta lateral to left vertical pair; 1 well developed orbital pair inserted on the half of frons; 1 short postocellar pair, divergent; ocellar triangle with one pair, slender but long and conspicuous, and some fine and very short setae; all setae pale brown.

Thorax. Scutum dark brown with two brown spots anteriorly, one brown line from supra-alar region to posterior margin of scutum and one dorsocentral brown line not reaching anterior or posterior margin of scutum, shiny dorsally and with sparse brown microtomentum on lateral margins, clothed in dense, short slender brown setae. Scutellum and subscutellum dark brown with brown microtomentum. Pleurae brown with dense pale microtomentum except for a shiny bare area that extends from lower half of anepisternum to upper half of katepisternum. Setae: 1 postpronotal, 2 notopleural, 1 postsutural supra-alar, 1 postalar, 1 dorsocentral prescutellar as long as scutellar pair; scutellum with 2 pairs, one subbasal and one distal well developed and convergent; 2 strong setae on upper margin of katepisternum, one posterior long and robust and one anterior shorter and slender, plus some short fine setae below; all setae brown.

Legs yellow except for base of coxae dark brown, tibiae with brown apex and tarsi pale yellow; setae yellow, short and slender. Femora without strong setae or spines; fore femur with one posterior sub-basal ventral slender but elongate black seta; mid tarsi with small black apical spines on ventral surface of tarsomeres 1–3. Apicoventral spine of mid tibia very short, not reaching middle of first tarsomere.

Wing ( Fig. 57 View FIGURES 51 – 58 ) brown basally and on costal margin until the r2+3 cell, paler apically; the longitudinal fold crosses the crossvein dm-cu in the middle.

Abdomen brown, clothed in sparse pale brown microtomentum; coating setae short, thin, longer and yellow, darker on lateral of tergites. Tergite 1+2 divided longitudinally by unsclerotized line, widened distally in lozenge form, from base to middle of segment; sternite 6 divided in two sclerotized plates ( Fig. 28 View FIGURES 25 – 32 ); tergite 6 free from syntergosternite 7+8. Terminalia: phallus slender ( Fig. 25 View FIGURES 25 – 32 ); cercus reniform in anterior view ( Fig. 26 View FIGURES 25 – 32 ); postgonite bacilliform, convergent; ejaculatory apodeme short ( Fig. 27 View FIGURES 25 – 32 ).

Female. Unknown.

Type material. Holotype 3 ( USNM). PERU, Madre de Dios, Rio / Manu, BIOLAT Biol. Sta., / Pakitza, 365m, 15.vii.1992 / 1156'47" S 07117 View Materials 'W / T.L. Erwin, E. & F. Pfuno; Insecticidal fog of Elytrostachys / canopies, 3m 3 at 3m high (some / dry bamboo leaves) Lot 453a. Condition of holotype: left wing mounted between cover slides; dissected abdomen; apical pair of scutellar setae lost.

Distribution. Peru (Madre de Dios).

Etymology. From Latin mellis = honey, referring to the yellow coloration of the legs.