Hylcalosia sutchanica Belokobylskij, 1992

Zhu, Jiachen, Achterberg, Cornelis Van & Chen, Xue-Xin, 2018, Review of the genus Hylcalosia Fischer (Hymenoptera, Braconidae, Alysiinae), with description of four new species from China, Zootaxa 4462 (4), pp. 547-565 : 562-565

Hylcalosia sutchanica Belokobylskij, 1992

Figs. 11–12

Hylcalosia sutchanica Belokobylskij, 1992: 148 ; 1998: 298; Fischer, 2008: 722; Zheng et al., 2012: 455.

Hylcalosia adsimilis Papp, 1994: 139 ; Belokobylskij, 1998: 298; Fischer, 2008: 722; Yu et al., 2012; Zheng et al., 2012: 455. Synonymized by Belokobylskij (1998).

Material. 1♀ ( ZJUH), “ [SE. China:] Hunan, Mt. Shimenhuping, 2.?.2009, Ma Li, No. 200901347.” 1♀ ( ZJUH), id., but No. 200701453; 1♀ ( ZJUH), id., but Tang Pu, No. 200901222.

Diagnosis. Body largely blackish or dark brown ( Fig. 11); eye 1.2 × as long as temple ( Fig. 12I ); eye in dorsal view 2.4 × as long as temple ( Fig. 12I ); eye in dorsal view twice as long as temple ( Fig. 12I ); height eye in lateral 12 × as long as wide; frons largely smooth, slightly rugose near antennal sockets; vertex and temple smooth ( Fig. 12I ); face rather convex in middle, densely and coarsely rugose-reticulate with transverse striation; clypeus subtriangular, protruding forward, densely and finely reticulate-punctate ( Fig. 12J ); mandible rugose and with 4 teeth or lobes; notauli short and crenulated, reaching anterior third of mesoscutum ( Fig. 12K ); medio-posterior depression deep and short, not extending to middle of mesoscutum ( Fig. 12C ); precoxal sulcus crenulate; metapleuron smooth medially but reticulate-rugose ventrally ( Fig. 12D ); surface of propodeum densely and coarsely reticulate-rugose, areola absent (( Fig. 12E ); pterostigma 5 × as long as its maximum width ( Fig. 12A ); hind coxa largely smooth, with some punctures anteriorly ( Fig. 12D ); metasoma longitudinally striate and some reticulate-rugosity between striae, length of first tergite 1.1 × its apical width ( Fig. 12F ); setose part of ovipositor sheath 0.6 × as long as fore wing (total visible sheath 0.7 times), and 1.8 × as long as hind tibia (Fig. 14H); mesosoma, metasoma, tibia and tarsus black.

Description. ♀ from Mt. Shimenhuping, length of body 3.6 mm, of fore wing 3.8 mm.

Head. Transverse ( Fig. 12I ), width of head 1.8 × its lateral length ( Fig. 12I ), and 1.6 × wider than mesoscutum; antenna with 40 segments, third segment (including annellus) 0.9 × longer than fourth segment, length of third and fourth segments 2.5 and 4.0 × their width, respectively ( Fig. 12G ); length of maxillary palp 1.7 × height of head; eye in dorsal view twice as long as temple ( Fig. 12I ); height of eye in lateral view 1.2 × as long as wide; frons largely smooth, slightly rugose near antennal sockets; vertex and temple smooth ( Fig. 12I ); OOL:diameter of ocellus:POL= 11:5:5; face 1.7 × wider than high, rather convex medially, densely and coarsely rugose-reticulate with transverse striation; clypeus small, subtriangular, protruding forward, densely and finely reticulate-punctate ( Fig. 12K ); malar space absent; mandible with 4 teeth or lobes, enlarged apically, dorsal tooth enlarged, lobeshaped ( Fig. 12L ), ventral tooth medium-sized and lobe-shaped, ventral carina protruding, middle tooth curved ( Figs 12M ), medial length of mandible 1.7 × its maximum width.

Mesosoma. Length of mesosoma 1.6 × its height ( Fig. 12D ); pronope round, wide and deep; medio-anteriorly and posteriorly pronotum inconspicuously crenulate ( Fig. 12D ); epicnemial area rugose; precoxal sulcus widely crenulate, not reaching middle coxa; pleural sulcus crenulated ventrally; episternal scrobe round and deep; metapleuron smooth medially but reticulate-rugose ventrally ( Fig. 12D ); notauli crenulated and incomplete, anteriorly impressed on disc ( Fig. 12C ); medio-posterior depression deep and short, not extending to middle of mesoscutum, scutellar sulcus deep, with 3 carinae, sulcus 3.8 × wider than its maximum length; scutellum smooth and triangular ( Fig. 12C ); surface of propodeum densely and coarsely reticulate-rugose, areola absent (( Fig. 12E ).

Wings (Fig. 14A-B). Pterostigma 5 × as long as its maximum width. r:3-SR:SR1 = 5:11:42; 1-SR+M nearly straight; SR1 straight; r 0.8 × as long as the width of pterostigma; cu-a slightly postfurcal; 3-CU1 distinct shorter than CU1b; 2-SR:3-SR:r-m = 18:12:7; m-cu postfurcal, converging to 1-M posteriorly; first subdiscal cell 4.0 × as long as wide; M+CU1 largely unsclerotized. Hind wing: M+CU: 1-M: 1r-m = 15:11:8; m-cu weakly antefurcal.

Legs. Hind coxa largely smooth, with some punctures anteriorly ( Fig. 12D ), without ventro-basal tubercle; tarsal claws moderately robust, longer than arolium ( Fig. 12N ); length of femur, tibia and basitarsus of hind leg 4.3, 9.0 and 8.8 × their width, respectively; apical appendages of hind tarsal segments absent, segments ventrally with dense bristles ( Fig. 12N ).

Metasoma. First tergite entirely and densely striate, with reticulate-rugosity between striae; apical width of first tergite twice its basal width, length of first tergite 1.1 × its apical width, with distinct dorsal carinae fused in basal half, medially convex ( Fig. 12E ); dorsope present ( Fig. 12F ); median length of second tergite equal to its basal width, 0.8 × as long as its maximum posterior width, 1.5 × length of third tergite ( Fig. 12F ); combined length of second and third tergites 1.3 × maximum width; second tergite densely and finely striate with reticulation; third tergite almost entirely and finely reticulate-rugose with densely striation ( Fig. 12F ). Setose part of ovipositor sheath 0.6 × as long as fore wing (total visible sheath 0.7 ×), and 1.8 × as long as hind tibia ( Fig. 12H ).

Colour. Blackish ( Fig. 11); 2 basal segments of antenna, mandible, legs except hind tibia and tarsus yellowish; head, face and clypeus dark reddish brown; mesosoma, metasoma, hind tibia and tarsus black; pterostigma and veins brown, wing membrane slightly infuscated.

Variation: body length 3.4–3.6 mm; of fore wing 3.7–3.8 mm.

Figures

FIGURE 12. Hylcalosia sutchanica Belokobylskij. A, fore wing; B, hind wing; C, mesosoma, dorsal aspect; D, mesosoma, lateral aspect; E, propodeum and first metasomal tergite, dorsal aspect; F, propodeum and metasoma, dorsal aspect; G, basal segments of antenna, lateral aspect; H, apex of ovipositor, lateral aspect; I, head, dorsal aspect; J, head, anterior aspect; K, head, lateral aspect; L, mandible, full view on first and second teeth; M, mandible, full view on third and fourth teeth; N, hind leg, lateral aspect.