Pedinotus subtristis Belokobylskij et Zaldívar-Riverón, 2017

Belokobylskij, Sergey A., Castro, Clóvis Sormus De, Shimbori, Eduardo Mitio, Zaldívar-Riverón, Alejandro, Penteado-Dias, Angélica Maria & Braet, Yves, 2017, Taxonomic revision of the Neotropical species of the braconid wasp genus Pedinotus Szépligeti, 1902 (Hymenoptera: Braconidae: Doryctinae), Zootaxa 4327 (1), pp. 1-102 : 88-91

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Pedinotus subtristis Belokobylskij et Zaldívar-Riverón

sp. nov.

Pedinotus subtristis Belokobylskij et Zaldívar-Riverón , sp. nov.

( Figs 44, 45)

Pedinotus sp. 1: Samacá-Sáenz et al., 2016: 486, 487.

Type material. Holotype: female, “ French Guiana, Regina , Road Kaw Mountain “Patawa”, 4.32643N 52.9153 O, Agosto 2006, CNIN 1431 (GenBank accession no. KT851881 View Materials ). Col. J.A. Cerda Leg ”, “ Pedinotus sp. 1” ( UNAM). GoogleMaps

Description. Female. Body length 10.3 mm; fore wing length 6.8 mm.

Head width (dorsal view) 1.55 × its median length, 1.3 × maximum width of mesoscutum. Head behind eyes (dorsal view) distinctly roundly narrowed. Eye 2.0 × longer than temple (dorsal view). Ocelli medium-sized, arranged in triangle with base 1.2 × its sides, with anterior ocellus oval and almost same size as lateral oval ocelli. POL 0.6 × Od, 0.35 × OOL. Frons weakly concave, with fine but distinct median longitudinal carina between antennal sockets only. Eye glabrous, 1.25 × higher than broad. Face width 0.7 × height of eye and 0.9 × height of face and clypeus combined. Malar space 0.3 × height of eye, 0.7 × basal width of mandible. Hypoclypeal depression width 1.2 × the shortest distance between depression and eye and 0.55 × width of face.

Antenna very slender, weakly setiform, with 57 antennomeres. Scape 1.4 × longer than its maximum width. First flagellomere 6.8 × longer than its apical width, 1.2 × longer than second flagellomere. Penultimate flagellomere about 4.0 × longer than its width, 0.8 × as long as apical segment.

Mesosoma 2.2 × longer than its maximum height. Pronotum weakly convex dorsally (lateral view) and with very fine submedian pronotal carina (dorsal view). Median lobe of mesoscutum distinctly protruding forwards and anteriorly weakly convex, with short median longitudinal furrow anteriorly. Median length of mesoscutum about 1.3 × its maximum width. Notauli complete, deep anteriorly and shallow to very shallow posteriorly, almost disappeared on large medio-posterior rugose area, crenulated. Prescutellar depression (scutellar sulcus) shallow, short, with distinct six carinae, 0.25 × as long as scutellum medially. Precoxal sulcus (sternaulus) very shallow, rather long, smooth, running along anterior 0.7 of lower part of mesopleuron.

Wings. Fore wing 4.4 × longer than maximum width. Vein r (first radial abscissa) arising weakly before middle of pterostigma. Vein 3RSa (second radial abscissa) 1.6 × longer than vein r (first radial abscissa), 0.3 × as long as the straight vein 3RSb (third radial abscissa), 1.3 × longer than vein 2RS (first radiomedial). Second submarginal (radiomedial) cell 2.4 × longer than maximum width, 0.7 × as long as first subdiscal (brachial) cell. Vein (RS+M)a (first medial abscissa) distinctly sinuate. Vein 1m-cu (recurrent) weakly antefurcal, subparallel to vein 1M (basal). Vein 1cu-a (nervulus) postfurcal, 0.5 × as long as distance between veins 1M (basal) and nervulus (1cu-a). First subdiscal (brachial) cell about 5.0 × longer than maximum width. Hind wing vein M+CU (first submedial abscissa) 0.4 × as long as vein 1-M (second submedial abscissa). Vein m-cu (recurrent) weakly sinuate and distinctly antefurcal.

Legs. Hind femur 4.0 × longer than maximum width. Hind tarsus 1.1 × longer than hind tibia. Basitarsus of hind tarsus 0.7 × as long as second-fifth segments of hind tarsus combined. Second segment of hind tarsus 0.5 × as long as basitarsus, 1.7 × longer than fifth segment (without pretarsus).

Metasoma 1.5 × longer than mesosoma and head combined. First tergite with not wide basolateral lobes, without spiracular tubercles, weakly and almost linearly widened from subbase to subapex. Length of first tergite 1.55 × its maximum (subapical) width; maximum width about 1.4 × its minimum (basal) width. First and second tergites not fused, mobile. Second tergite with narrow, shallow, weakly convergent sublateral furrows, additionally with wide and distinctly divergent furrows started from submedian basal margin and fused apically together with sublateral furrows on break of second suture; median length of second tergite 0.7 × its basal width, 1.2 × median length of third tergite. Suture between second and third tergites entirely deep and rather narrow, strongly sinuate, with strong sublateral bends. Third tergite with very fine and shallow subtransverse reticulate sulcus in basal 0.2 (medially)–0.5 (laterally). Ovipositor sheath 1.4 × longer than metasoma, 2.6 × longer than mesosoma, 1.25 × longer than fore wing.

Sculpture and pubescence. Vertex smooth; frons entirely distinctly transverse striate with rugulosity; face entirely coarsely striate with rugosity. Mesoscutum with dense and distinct punctation, smooth in anterior part of median lobe, coarsely rugose-reticulate with striation in large medioposterior subrectangular area. Mesopleuron finely punctate, smooth in lower 0.4. Metapleuron smooth in anterior half, distinctly rugulose-reticulate with subtransverse striation partly in posterior 0.4 and lower half. Propodeal areas not delineated by carinae, propodeum with distinct median longitudinal carina in basal half, entirely distinctly and very densely reticulate-areolate. Hind coxa and femur smooth. First and second metasomal tergites entirely distinctly and densely reticulate-areolate with rugosity partly, striate laterally. Third tergite very densely and distinct reticulate-areolate in basal 0.5 (medially)– 0.8 (laterally), smooth apically. Fourth-sixth tergites very dense small and distinct reticulate-punctate in basal 0.4– 0.6, smooth on remaining parts. Vertex covered by very sparse white and rather long setae, glabrous medially on wide area. Mesoscutum mostly covered by dense short pale setae, glabrous in short anterior part of median lobe. Dorsal side of hind tibia with rather long, sparse and semi-erect pale setae, their length 0.5–0.7 × maximum width of tibia.

Colour. Head entirely and anterior fifth of mesosoma light reddish brown to brownish yellow, most part of mesosoma dark reddish brown to black. Palpi dark reddish brown, apical segment of maxillary palp yellow. Antenna mainly black, two basal segments brownish yellow. Tegula dark reddish brown to black. Metasoma entirely almost black. Legs mainly black, fore and mid coxae mainly and most part of fore tibia reddish brown to dark reddish brown; hind tibiae basally dark. Ovipositor sheath entirely black. Wings evenly faintly infuscate. Pterostigma entirely black.

Male. Unknown.

Distribution. French Guiana.

Etymology. Named after pattern of the body coloration.

Comparative diagnosis. This new species belongs to the morphological group with widely setose mesoscutum. Pedinotus subtristis sp. nov. almost glabrous vertex is similar to P. columbianus Enderlein and P. brasiliensis Szépligeti. However , the former species distinctly differs from the latter two by having along and narrow first metasomal tergite (shorter and wider in P. columbianus and P. brasiliensis ), the second tergite with additional distinctly divergent furrows running along submedian basal margin (without such additional furrows in P. columbianus and P. brasiliensis ), and palpi mainly dark (mainly pale in P. columbianus and P. brasiliensis ).


Universidad Nacional Autonoma de Mexico














Pedinotus subtristis Belokobylskij et Zaldívar-Riverón

Belokobylskij, Sergey A., Castro, Clóvis Sormus De, Shimbori, Eduardo Mitio, Zaldívar-Riverón, Alejandro, Penteado-Dias, Angélica Maria & Braet, Yves 2017


Samaca-Saenz, E. & Belokobylskij, S. A. & Quicke, D. L. J. & Zaldivar-Riveron, A. 2016: 486