Dirrhinodryinus lamellatus Martins & Melo 2024, comb. nov.
Creators: name: Martins, André L.
name: Melo, Gabriel A. R.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Dryinidae
Dirrhinodryinus
Dirrhinodryinus lamellatus

description: Dirrhinodryinus lamellatus (Olmi, 1984) comb. nov.
(Figs 3B, D, F, 5, 7C, D)
Alphadryinus lamellatus Olmi, 1984: 986.
Female holotype. Brazil, Santa Catarina, Seara, Nova Teutônia (NHMUK, examined through photographs).
Diagnosis: Body predominantly black and testaceous, except flagellomeres 2–4 yellow testaceous, femur and tibia brown; forewings with two dark transverse bands. Body with short pilosity, except head with comparatively denser and erect pilosity; pronotum with dense and short pilosity; mesoscutum and mesoscutellum with sparse and short pilosity; metanotum with short pilosity, except by central surface with long pilosity. Head and pronotum, mesopleuron and metapleuron rugose; mesoscutum rugose and punctate; mesoscutellum smooth and punctate; metanotum rugose; propodeum reticulate rugose. Occipital carina complete; frontal line incomplete. Rhinaria on flagellomere 8 with two sets of separate grooves; apical margin of clypeus convex. Stigmal vein of forewing with 2r-rs shorter than 3Rs&4Rs. Enlarged claw without subapical tooth, with one row of four bristles and a long lamella.
Redescription: Female. Body length: 4.0mm. Colour: Head black (Fig. 5B, C), except part of face red testaceous (Fig. 5B); palpomeres testaceous; mandible testaceous, except teeth darkened (Fig. 5B); clypeus brown testaceous; antenna with scape, pedicel and 1st flagellomere testaceous, flagellomeres 2–4 yellow testaceous and 5–8 black; pronotum partially black and brown testaceous on disc and posterior and lateral surface (Fig. 5D); mesosoma predominantly black (Fig. 5E), except anterior surface of mesopleuron, and suture between mesopleuron and metapleuron testaceous; legs testaceous (Fig. 5A), except femur and tibia brown; tegula brown testaceous; forewings with two dark transverse bands; metasoma brown testaceous. Pubescence: Head mostly with dense, short, and erect pilosity (Fig. 5B, C); clypeus glabrous (Fig. 5B); eye with dense and short pilosity; mesosoma mostly with short, erect pilosity; denser on pronotum, sparser on mesoscutum and mesoscutellum; central portion of metanotum with long pilosity (Fig. 5D); metasoma with short and sparse pilosity. Integumental sculpture: Head rugose (Fig. 5B, C), including gena and clypeus; pronotum rugose (Fig. 5D), except by several longitudinal carinae at lateral margin in the transversal impression; mesoscutum rugose and punctate (Fig. 5D); mesoscutellum and central portion of metanotum smooth, except for piligerous punctures (Fig. 5D), lateral portions of metanotum rugose; mesopleuron and metapleuron rugose (Fig. 5E); propodeum reticulate rugose, its posterior surface with two longitudinal carinae laterally (Fig. 5F), their anterior ends connected by a transverse carina. Structure and proportions: Occipital carina complete (Fig. 5C). Ocellar ratio: OL = 7; POL = 11; OPL = 9; OOL = 23. Frontal line incomplete, restricted to middle of frons (Fig. 5B, C). Antennomeres in the following proportions: 33: 17: 57: 30: 24: 20: 20: 18: 18: 23; 8th flagellomere with two separate sets of rhinaria at the base and a single set apically; apical margin of clypeus convex. Notauli percurrent, strongly converging posteriorly (Figs 5D, 3F); metanotum flat; stigmal vein of forewing with 2r-rs shorter than 3Rs&4Rs (36: 50). Enlarged claw without subapical tooth, with one row of four bristles and a long lamella (Fig. 3B). Protarsomeres in the following proportions: 50: 9: 13: 54: 73, and enlarged claw (66). Tibial spur formula 1/0/2. Propodeum with dorsal surface longer than posterior (60: 45).
Male: Unknown.
Examined material: One female: Brasil, PR, S.J. Pinhais \ UEH Guaricana, 760 m,\ 25.717°S 48.964°W \ 26.xii.2017 – 09.i.2018,\ G. Melo and R. Cavichioli\Armadilha Malaise (DZUP).
Remarks: This species was originally described in Alphadryinus by Olmi (1984). In Xu et al. (2013), Alphadryinus was sunk under Dryinus, therefore implying that all included species were also transferred. In their treatment of the Neotropical fauna, Olmi and Virla (2014) formally presented its combination in Dryinus. Dirrhinodryinus lamellatus comb. nov. resembles D. caraibicus comb. nov. by the characteristics presented in the description of the genus but differs by frontal line incomplete; eye with dense short pilosity; occipital carina complete; mandible base longer than malar space; antenna with 1st flagellomere 1.9× longer than 2nd flagellomere; enlarged claw without subapical tooth, with one row of four bristles and one long subapical lamella; mesotibial spur absent; posterior surface of propodeum with two longitudinal carinae laterally, their anterior ends connected by a transverse carina.
description: Published as part of Martins, André L. & Melo, Gabriel A. R., 2024, Phylogenetic analysis of Neotropical Dryinus using morphological characters: new proposed classification for species groups and description of a new genus (Hymenoptera: Dryinidae), pp. 1-23 in Zoological Journal of the Linnean Society 202 (3) on page 11, DOI: 10.1093/zoolinnean/zlae122, http://zenodo.org/record/14507847