Messatoporus convexus Santos, 2013

Santos, Bernardo F. & Aguiar, Alexandre P., 2013, <strong> Phylogeny and revision of <em> Messatoporus </ em> Cushman (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of sixty five new species </ strong>, Zootaxa 3634 (1), pp. 1-284 : 97-98

publication ID	https://doi.org/ 10.11646/zootaxa.3634.1.1
publication LSID	lsid:zoobank.org:pub:81906FA2-FB3C-4F02-9AF9-449BC73F3BEE
DOI	https://doi.org/10.5281/zenodo.5261941
persistent identifier	https://treatment.plazi.org/id/3629866A-FFFE-2E26-B8BF-FE90FE74B4EC
treatment provided by	Felipe
scientific name	Messatoporus convexus Santos
status	sp. nov.

Treatment

Messatoporus convexus Santos , sp. nov.

( Figs 10 View FIGURES 10–13. 10 , 48 View FIGURES 46–50 , 169 View FIGURES 162–170 , 207 View FIGURES 207–212 , 242 View FIGURES 242–259 , 270 View FIGURES 260–271. 260–261 , 315 View FIGURES 313–320 )

Female. Fore wing 10.60 mm. HEAD: Mandible densely covered with long hairs; MLW 1.64; MWW 0.53; dorsal tooth in front view projected upwards, much longer than ventral tooth; ventral tooth triangular. MSM 0.24. Clypeus basally strongly convex, emarginated in its mid-length, more or less triangular, centrally concave; CHW 2.26; CWW 2.32; apical area medially straight, laterally with distinct triangular lobes, its margin very sharp, raised. Antenna with 24 flagellomeres; flagellum uniform; apex of apical flagellomere about as wide as base, not distinctly tapered. Supra-antennal area shiny, scarcely punctate, not striate near antennal sockets, ventrally very weakly concave, without median line. Occipital carina uniformly curved, fading out at distance shorter than basal width of mandible from the hypostomal carina, meeting hypostomal carina far from mandible base. Temple and gena narrow, gena regular (as in Fig. 260 View FIGURES 260–271. 260–261 ).

THORAX: Pronotum glabrous, shiny, impunctate, not distinctly wrinkled; epomia almost indistinct, distinct only after diverging from pronotal collar, short, ending far from dorsal margin of pronotum, after diverging from pronotal collar approximately straight. Mesoscutum strongly and uniformly convex, subcircular, 1.15 × as long as wide, sparsely pilose, shiny, impunctate; notaulus reaching about 0.79 of mesoscutum length, weakly impressed, surface over notaulus not wrinkled; scuto-scutellar groove shallow, without wrinkles. Subalar ridge weakly projected; epicnemial carina reaching about 0.6 of distance to subalar ridge, distinctly sinuous; sternaulus complete but weak, medially indistinct, weakly sinuous, smooth; scrobe very shallow; mesopleural suture with weak longitudinal wrinkles along entire length. Mesosternum medially with short transverse wrinkles; median portion of posterior transverse carina of the mesothoracic venter indistinct. Transverse sulcus at base of propodeum very wide, about 0.94 × as long as anterior area of propodeum, medially with very weak transverse striation; metapleuron entirely coriarious, covered with the same wrinkling of propodeum, however less regular, dorsally sparsely pilose, ventrally moderately pilose; juxtacoxal carina absent. Fore tibia distinctly swollen. Mesal lobe of t4 with a distinct cluster of stout bristles. Hind coxa punctate-coriarious.

PROPODEUM: 1.02 × as long as wide, shiny, sparsely pilose; anterior area almost impunctate; spiracle elongate, SWL 5.75; anterior transverse carina medially slightly arched forwards. Propodeal wrinkles moderately strong, very closely spaced, mostly complete, mostly slightly curved or somewhat sinuous; posterior transverse carina entirely absent.

WINGS: Fore wing vein 1-Rs+M very weakly sinuous, with bulla placed on basal 0.25; crossvein 1m-cu irregular, 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 0.39 of its own length; vein 2Cua 0.38 × as long as crossvein 2cu-a; bulla of crossvein 2m-cu placed mostly on posterior half; cell 1+2Rs small, APH 0.64, pentagonal, about as high as wide, AWH 1.09; crossvein 3r-m absent; vein 3-M about as long as 2-M; 4-Rs distinctly sinuous; 4-M semi-spectral, irregular. Hind wing vein 1-M forming distinctly obtuse angle with vein Cua; vein 2-Rs tubular, apically spectral, reaching wing margin; HW1C 0.95; vein Cub distinctly convex on posterior half, forming distinctly obtuse angle with vein Cua (basally curved); vein 2-1A reaching 0.88 of distance to posterior wing margin.

METASOMA: First tergite moderately long, about 0.41 × as long as T2–8, strongly depressed, ventrolaterally rounded, dorsally sparsely pilose, laterally moderately pilose; T1LW 3.7; T1WW 1.69; spiracle on 0.54 of its length, distinctly prominent; median depression elongate, very shallow; lateral and median posterior depressions absent; ventrolateral carina absent, but traceable as limit between lateral and ventral portions. T2LW 1.36; T2WW 1.78; thyridium longer than wide, without small circular depression just behind it; T2–8 smooth between punctures, densely and uniformly pilose. OST 1.36; ovipositor moderately stout, straight, basally cylindric, apically slightly depressed; dorsal valve with four moderately strong ridges; ventral valve apex with 9 teeth, apical teeth progressively more closely spaced.

Color. Head black; mesosoma mostly orange with yellow and black marks, metasoma mostly black and whitish. Head: black; clypeus, mandible except apex, mouthparts, supra-clypeal area, scape ventrally, most of malar space and orbital band at supra-antennal area and lower gena, pale yellow (231,209,132); pedicel ventrally and mandible just basad to blackish area, orange; part of malar space, pedicel dorsally and flagellum, blackish; f7–11 entirely white, f6 and f12 partially white. Mesosoma: orange, darker on propodeum (188,086,043) and lighter on mesopleuron and mesosternum (231,182,068); collar, anterior margin of pronotum (anterior to epomia), subcircular spot on mesoscutum, tegula, subalar ridge, scutellar carina and most of scutellum, pale yellow (240,218,113); pronotum except ventral corner and whitish marks, mesoscutum, posterior 0.2 of scutellum and postscutellum, black; base of fore coxa, marks at first fore trochanter, all tibiae and fore t1–4, pale yellow; fore and mid t5, thin stripe at dorsal face of fore femur, dorsal face of second hind trochanter, apical margin of hind tibia and tibial spurs, dark fuscous; hind tarsus whitish. Metasoma: black; T1 anterior 0.2 and posterior 0.1 whitish; laterally orange at posterior 0.8, dorsally with orange narrow line between whitish and black areas; thyridium orange; T2–7 with lateral and posterior whitish stripes; S1–6 whitish.

Male. Fore wing 8.30–8.99 mm long. Very similar to female, except for the following: orbital band reaching full extension of gena, interrupted only at temple; antenna with 21–28 flagellomeres; pronotum smaller, dorsal margin anteriorly slightly concave, with larger pale yellow area, black only at dorsal margin and postero-dorsal corner; T1 dorsally without orange line between whitish and black areas.

Variation. Fore wing 8.13–10.60 mm long. Antenna with 21–30 flagellomeres; mesosoma bright yellow (237,211,076) to deep orange (196,086,041); malar space sometimes marked with blackish; gena sometimes completely blackish; anterior corner of mesopleuron (below subalar ridge) sometimes black; dorsal part of hypoepimeron sometimes lighter than rest of mesopleuron; dorsal face of fore and mid femora and hind second trochanter sometimes marked with blackish hind tibia with up to apical 0.1 blackish; hind tibial spurs sometimes fuscous; mid t3-4 sometimes fuscous; T1 sometimes with only anterior 0.1 orange, without anterior whitish areas, black area extending laterally until spiracle level.

Comments. More similar to M. laevilatus sp. nov. and M. latissulcus sp. nov.. It can be isolated from M. sp. 9 mainly by having T2–8 black with posterior whitish stripes (vs. bright to deep orange); dorsal margin of mesopleuron orange (vs. black); areolet about as wide as high, APH 1.09 (vs. distinctly higher than wide, APH 0.66); supra-antennal area without median carina (vs. dorsally with weak median carina, ventrally fading); and epomia distinct only after diverging from collar (vs. complete). Readily differentiated from M. latissulcus by the pronotum, mesoscutum and postscutellum mostly black (vs. entirely bright orange); scutellar carina, scutellum, tegula and subalar ridge mostly or entirely whitish (vs. orange); and also by the mesoscutum strongly convex (vs. moderately convex); sternaulus medially indistinct (vs. complete); and median portion of posterior transverse carina of the mesothoracic venter indistinct (vs. moderately long).

Biology. Unknown.

Etymology. From the Latin convexus , meaning “convex”; in reference to the strongly convex mesoscutum and propodeum.

Material examined. 12 ♀, 10 ♂♂. Holotype ♀ from BRAZIL, Minas Gerais, Parque Estadual do Rio Doce, Área da Tereza , primary forest, 24.X.2002, Malaise trap, JCRFontenelle ( UFES). Mounted on triangle point. Right antenna missing; otherwise in good shape.

Paratypes: 1 ♀ from PERU, Avispas , 750 m, 1–15.X.1962 , LPeña. 1 ♀ from PERU, Quincemil , nr. Marcapata, 20–30.X.1962 ( AEIC) . 1 ♀ from BRAZIL, Bahia, Itororó , Fazenda Santa Cruz, Pt. 5, 18.VIII.2002 , Malaise trap, JCardoso & JMaia; 1 ♂, same data except Fazenda Guanabara, Pt. 8, 25.XI.2002 ; 2 ♂♂, same data except Ilhéus, Fazenda São José, 24.XI.2002 . 1 ♀ from BRAZIL, Espírito Santo, Cariacica, Reserva Biológica de Duas Bocas , 20.XI.1998 , sweeping, COAzevedo. 1 ♂ from BRAZIL, Minas Gerais, Parque Estadual do Rio Doce, Área da Tereza , primary forest, Pt. 3, 24–31.X.2002 , Malaise trap, JCRFontenelle; 1 ♀, same data except Pt. 1, 10–17.XI.2004 ; 1 ♂, same data except 26.X–2.XI.2004 ; 3 ♂♂, same data except Pt. 3, 27.X–2.XI.2004 ; 1 ♀, same data except 3–10.XI.2004 ; 1 ♀, same data except Pt. 1, 26.X–2.XI.2006 ; 1 ♂, same data except Campolina , primary forest with helicons, Pt. 3, 23.XI.2003 ; 1 ♂, same data except Trilha do Vinhático , high secondary forest, Pt. 1, 17–24.VII.2001 ( UFES) . 1 ♀ from BRAZIL, Rio de Janeiro, Represa Rio Grande , I.1968 , MAlvarenga; 1 ♀, same data except II.1968 ; 1 ♀, same data except VII.1972 ( AEIC) . 1 ♀ from BRAZIL, São Paulo, Descalvado , Fazenda Itaúna, Pt. B 2, 6.IV.2006 , yellow pans, NWPerioto et al. ( IBRP).

Distribution. Recorded from central Atlantic Forest, an area of Cerrado in southeastern Brazil and from Peruvian rainforest ( Fig. 315 View FIGURES 313–320 ).