Toechorychus fluminensis Tedesco & Aguiar 2013, sp. nov.
Creators: name: Tedesco, Anazélia M.
name: Aguiar, Alexandre P.
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Toechorychus
Toechorychus fluminensis

description: Toechorychus fluminensis Tedesco, sp. nov.   
(Figs 8, 48, 65, 152, 187)  
Description. Holotype MALE. Fore wing length 5.62 mm.  
 Head. Mandible 1.46 as long as basal width, moderately pilose; ventral margin projected as crest; dorsal tooth distinctly longer than ventral tooth. Clypeus 1.79 as wide as high, subrectangular, minutely strigulate, apically smooth; apex 1.33 as long as base, slightly but distinctly convex; apical margin blunt, medially straight. Supraclypeal area entirely strigulate, also densely punctate, moderately pilose, medially with longitudinal subrectangular prominent area; between antennal foramens with V-shaped carina, medially interrupted; radicle foveolate. Antenna with 28 flagellomeres; white band starting at flagellomere 8, reaching flagellomere 14; flagellum slender; subapical flagellomeres slightly flattened. Supra-antennal area without distinct median carina, medially without longitudinal elevation, near antennal sockets not striate; dorsal half medially rugulose. Paraocular area finely strigulate. Vertex rugulose around ocelli, without sulcus; gena and vertex behind ocelli minutely strigulate, sparsely pilose; gena in lateral view uniformly wide; occipital carina stout, dorsally faint, V-shaped, ventrally slightly projected as crest, reaching hypostomal carina at mandible base or nearly so; hypostomal carina slightly projected as crest; malar space 1.11 as long as basal width of mandible.   
 Mesosoma. Mesosoma in dorsal view 1.89 as long as wide; in lateral view, mesosoma middle width 0.18 mm. Pronotum centrally smooth, latero-ventrally markedly rugose behind collar, margin near mesopleuron ventrally corrugated; pronotal swelling finely rugulose; collar dorso-laterally rounded, distinctly swollen, anteriorly smooth; epomia stout, restricted to space between posterior margin of collar and pronotal swelling. Mesoscutum sparsely pilose, densely punctulate, covered with sparse coarse punctures, impression of notaulus corrugated, central lobe without longitudinal sulcus or carina; notauli deeply impressed, posteriorly convergent. Scutoscutellar groove markedly corrugated; scutellum 0.93 as long as wide, scarcely punctate; scutellar carina incomplete, restricted approximately to anterior 0.6; postscutellum 0.39 as long as wide; hind margin of metanotum without teeth or carinae. Subalar ridge somewhat elongate; mesopleuron dorsally medially markedly strigate, ventrally strigulate; mesopleural groove corrugated; epicnemial carina stout, dorsally straight; dorsal end of epicnemial carina not reaching ventral margin of pronotum, behind epicnemial carina without rounded confused-rugulose area; sternaulus medially shallow, interrupted, reaching base of mid coxa, markedly sinuate, moderately impressed; not corrugated; scrobe deeply impressed, forming pit. Mesothoracic venter strigulate; median portion of posterior transverse carina of mesothoracic venter V-shaped, expanded as two deltaic perpendicular projections. Transverse furrow at base of propodeum laterally 0.12 as long as anterior portion of propodeum, moderately deep and narrow, medially wide, very faintly corrugated, almost smooth, medially some carinae stouter; propodeum 1.09 as long as wide medially; anterior margin of propodeum without teeth; anterior portion of propodeum punctulate or with sparse coarse punctures, medially without longitudinal carinae; lateral longitudinal carina of propodeum represented by short curved carina; posterior portion of propodeum punctate and strigate, medially without distinctly stout longitudinal carina; behind posterior transverse carina with two divergent longitudinal carinae; anterior transverse carina of propodeum complete, stout, medially slightly arched forwards; posterior transverse carina incomplete, medially interrupted, laterally with low swelling; propodeal spiracle 1.67 as long as wide; pleural carina of propodeum present only posteriorly; lower division of metapleuron strigate, sparsely pilose, juxtacoxal carina reaching base of hind coxa.   
 Wings. Fore wing: vein 2+3Rs slightly concave; ramellus absent; vein 1M+Rs entirely sinuous; vein 1cu-a straight, arising far from vein 1M+Rs base, angle with vein M+Cu distinctly obtuse; vein 2Cu 0.65 as long as vein 2cu-a; vein 4Rs 0.90 as long as vein 4M, slightly sinuous, almost straight; cell 1+2Rs 0.82 as high as pterostigma, pentagonal; vein 2M distinctly longer than vein 3M; vein 3M distinct. Hind wing: vein 1Cu 5 as long as vein cu-a; vein 2-1A reaching 0.78 of distance to posterior margin.   
 Legs. Tibia with sparse short bristles; hind coxa globose.   
 Metasoma. T1 0.51 as long as hind femur, without basolateral tooth; minutely coriarious; spiracle at anterior 0.55, slightly prominent; postpetiole dorso-anteriorly flat; T2–8 minutely coriarious; sparsely pilose; T2 1.04 as long as wide at apex; apex of T2 1.92 as wide as base.   
 Color. Head, mesosoma and metasoma black with bright yellow (244,235,142) marks. Head: yellow; mandible teeth, anterior tentorial pits, small spot at clypeal base, supra-antennal area medially, interocellar area, vertex centrally, and occiput, black; scape ventrally yellow; scape dorsally, pedicel and flagellum, brown; flagellum completely whitish at f8–12, partially at f7 and f13–14. Mesosoma: black except for the following yellow marks: collar laterally, pronotal swelling, longitudinal rounded mark at posterior 0.3 of central lobe of mesoscutum, axillary carina, scutellum, tegula basally, large mark extending from subalar ridge along epicnecium and mesopleuron to mesothoracic venter, except around hypoepimeron, mesothoracic venter, upper division of metapleuron, dorsal half of lower division of metapleuron, and two lateral longitudinal marks at posterior portion of propodeum; ventral half of lower division of metapleuron pale orange. Legs: mostly orange (215,100,028); fore and mid coxae yellow with dorsal spot at apical 0.3; hind coxa orange with dorsal yellow mark at basal 0.5; apical 0.2 of hind tibia, and all t5, dark brown; tarsi whitish towards apex. Metasoma: black with the following yellow marks: T1 laterally and at posterior 0.1, posterior 0.2 of T2–8, S1, S2–8 centrally.   
 Comments. Very similar to T. vilhenus sp. nov., from which it can be readily differentiated by having epomia very stout, restricted to space between posterior margin of collar and pronotal swelling (vs. absent); hind coxa dorsally with basal yellow spot (vs. entirely orange; Fig. 172); hind tibia dorsally brownish at 0.1 apical (vs. uniformly orange); metasoma striped (vs. entirely orange; Fig. 172).   
 Female. Unknown.   
 Distribution. Known only from southeastern Brazil (Fig. 217).   
 Biology. Unknown.   
 Material examined. Holotype ♂, BRAZIL, Rio de Janeiro (22°57’S 43°14’W), Represa Rio Grande, IX.1969, M.Alvarenga leg., Toechorychus, Townes det. (AEIC). Mesoscutum somewhat damaged by pin; otherwise in good shape.
description: Published as part of Tedesco, Anazélia M. & Aguiar, Alexandre P., 2013,  Phylogeny and Revision of  Toechorychus  Townes (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of thirty-five new species , pp. 1-138 in Zootaxa 3633 (1) on pages 35-36, DOI: 10.11646/zootaxa.3633.1.1, http://zenodo.org/record/5261931