Messatoporus subalaris Santos & Aguiar 2013, sp. nov.
Creators: name: Santos, Bernardo F.
name: Aguiar, Alexandre P.
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Messatoporus
Messatoporus subalaris

description: Messatoporus subalaris Santos, sp. nov.   
(Figs 122, 362)  
 Female. Unknown.   
 Male. Fore wing 5.04 mm. HEAD: Mandible densely covered with long hairs; MLW 1.97; MWW 0.37; dorsal tooth in front view projected upwards, much longer than ventral tooth; ventral tooth triangular. MSM 0.23. Clypeus basally strongly convex, emarginated in its mid-length, more or less triangular, centrally straight; CHW 1.96; CWW 1.46; apical area medially concave, laterally with distinct triangular lobes, its margin regular, not raised. [Antenna with 26 flagellomeres; flagellum uniform]. Supra-antennal area shiny, scarcely punctate, not striate near antennal sockets, ventrally very weakly concave, median line distingishable only as a weakly smoother area. Occipital carina uniformly curved, fading out at distance about as long as basal width of mandible from the hypostomal carina. Temple and gena narrow, gena regular (as in Fig. 260).   
THORAX: Pronotum glabrous, shiny, impunctate, wrinkles at posterior margin vestigial; epomia very weak, complete, short, ending far from dorsal margin of pronotum, after diverging from pronotal collar approximately straight. Mesoscutum moderately and uniformly convex, subcircular, 1.15 × as long as wide, sparsely pilose, shiny, impunctate; notaulus reaching about 0.71 of mesoscutum length, moderately impressed, surface over notaulus not wrinkled; scuto-scutellar groove moderately deep, without wrinkles. Subalar ridge weakly projected; epicnemial carina reaching about 0.6 of distance to subalar ridge, distinctly sinuous; sternaulus complete but weak, weakly sinuous, smooth; scrobe very shallow; mesopleural suture ventrally with weak longitudinal wrinkles, wrinkles dorsally vestigial. Mesosternum medially with short transverse wrinkles; median portion of posterior transverse carina of the mesothoracic venter short, arched backwards. Transverse sulcus at base of propodeum very wide, about 1.31 × as long as anterior area of propodeum, colliculate, posteriorly with transverse striation; metapleuron entirely coriarious, without transverse wrinkles, dorsally sparsely pilose, ventrally moderately pilose; juxtacoxal carina absent. Hind coxa punctate-coriarious.  
PROPODEUM: 1.31 × as long as wide, shiny, glabrate; anterior area almost impunctate; spiracle elongate, SWL 4.00; anterior transverse carina medially straight. Propodeal wrinkles moderately strong, very closely spaced, mostly complete, often ramificated, mostly slightly curved or somewhat sinuous; posterior transverse carina entirely absent.  
WINGS: Fore wing vein 1-Rs+M distinctly sinuous, with bulla placed on basal 0.25; crossvein 1m-cu more or less uniformly curved, limit between 1m-cu and 1-Rs+M more or less traceable; vein 1M+Rs anteriorly straight, posteriorly weakly curved; fore wing crossvein 1 cu-a basad of 1M+Rs by 0.32 of its own length; vein 2Cua 0.26 × as long as crossvein 2cu-a; bulla of crossvein 2m-cu placed mostly on posterior half; cell 1+2Rs of moderate size, APH 0.49, pentagonal, about as high as wide, AWH 0.88; crossvein 3r-m fully spectral, 2r-m and 3r-m distinctly convergent, about same length; vein 3-M about as long as 2-M; 4-Rs distinctly sinuous; 4-M semi-spectral, straight. Hind wing vein 1-M forming distinctly obtuse angle with vein Cua; vein 2-Rs tubular, apically spectral, reaching wing margin; HW1C 0.85; vein Cub straight, forming distinctly obtuse angle with vein Cua (not curved); vein 2-1A reaching 0.92 of distance to posterior wing margin.  
METASOMA: First tergite short, about 0.3 × as long as T2–8, somewhat depressed, ventrolaterally rounded, dorsally glabrate, laterally moderately pilose; T1LW 4.67; T1WW 1.31; spiracle on 0.46 of its length, distinctly prominent; median depression elongate, distinct; lateral and median posterior depressions absent; ventrolateral carina absent, but traceable as limit between lateral and ventral portions. T2LW 3.84; T2WW 0.95; thyridium longer than wide, without small circular depression just behind it; T2–8 covered with small, shallow foveae, densely and uniformly pilose.  
 Color. Head and mesosoma black with whitish marks, metasoma dark brown with whitish marks. Head: black: clypeus, mandible except apex, mouthparts, malar space, supra-clypeal area, scape and pedicel ventrally and complete orbital band, whitish (231,223,183); f9–16 entirely white, f17 mostly white, f8 apically white. Mesosoma: mostly whitish; mesoscutum except subcircular spot, scuto-scutellar groove, both axillary through, apical 0.25 of scutellum, axillar carinae, postscutellum, subalar ridge, epicnemium, mesopleural area just posterior to epicnemial carina, dorsal 0.3 of mesopleuron, metapleural triangle, transverse sulcus, anterior area and basal 0.6 of posterior area of propodeum, black; fore and mid legs whitish, except brown central stripe at fore tibia, marks at mid trochanters, fore and mid femora pale orange, mid tarsus and fore t5, blackish; hind coxa whitish with large longitudinal black mark; hind trochanters blackish, base of first one whitish, apex of second one orange; femur bright orange (179,089,031) with basal and apical blackish marks; basal 0.3 of hind tibia, apical 0.6 of t1 and t2–5, whitish; apical 0.7 of tibia and basal 0.4 of t1, blackish. Metasoma: T1 black, dorsally with anterior 0.3 and posterior 0.2 whitish; T2–6 dark brown with posterior whitish stripes; T7 dark brown; S2–6 anteriorly very light brown, posteriorly whitish.   
 Variation. Fore wing 5.04–6.96 mm long. Antenna with 24–26 flagellomeres. Specimen from Pastaza with f8 entirely brown, f9 only partially white; fore femur with weak dorsal brown stripe on basal 0.8; light areas pale yellow (229,220,166) instead of whitish. Specimen from Cochabamba with epicnemium ventrally whitish, mesopleuron less extensively black, propodeum almost entirely black, mid coxa with apical black mark, hind femur medially dark brown, basal 0.8 of t1 black.   
 Comments. Very similar to the males of M. tenuissimus sp. nov., which have mesosternum and considerable portion of mesopleuron whitish (vs. mesosternum black and mesopleuron mostly black in females). The color pattern of the legs is almost identical between both species. Messatoporus subalaris can be distinguished by having subalar ridge black (vs. whitish); T1 dorsally with whitish spot at anterior 0.3 (vs. dorsally black at anterior 0.75); and T4–7 blackish with posterior whitish stripe (vs. T4 whitish with postero-dorsal and antero-lateral brownish marks, T5–6 almost entirely dark brown and T7 almost entirely whitish).   
 Biology. Unknown.   
 Etymology. From the Latin ala, meaning “wing”, added to the prefix sub-, meaning “under”; in reference to the black subalar ridge.   
 Material examined. 4 ♂♂. Holotype ♂ from ECUADOR, Sucumbios, Napo River, Sacha Lodge, 270 m, 31.X–10.XI.1994, Malaise trap, PHibbs (CNCI). Mounted on triangle point. Tip of right antenna, apical third of left antenna, right mid leg apicad to coxa, left hind wing and apical two thirds of right hind wing missing; right hind tarsus broken and re-glued to the triangle; both fore wing largely ripped.   
Paratypes: 1 ♂ from ECUADOR, Pastaza, Pompeya, Napo River, 14–22.V.1965, LPena. 1 ♂ from BOLIVIA, Cochabamba, Vila Tunari, 15.III.2001, Malaise trap, HHeider (CNCI). 1 ♂ from BOLIVIA, Santa Cruz, Rio Mamoré, 2 km N mouth of Rio Chaparé, 31.VII.1965, JKBouseman (AMNH).  
 Distribution. Recorded from three rainforest sites at western South America, in Ecuador and Bolivia (Fig. 362).
description: Published as part of Santos, Bernardo F. & Aguiar, Alexandre P., 2013,  Phylogeny and revision of  Messatoporus  Cushman (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of sixty five new species , pp. 1-284 in Zootaxa 3634 (1) on pages 181-182, DOI: 10.11646/zootaxa.3634.1.1, http://zenodo.org/record/5262081