Craspedolcus politus, Li, Yang, van Achterberg, Cornelis & Chen, Xue-xin, 2017

Li, Yang, van Achterberg, Cornelis & Chen, Xue-xin, 2017, Review of the genus Craspedolcus Enderlein sensu lato in China, with the description of a new genus and four new species (Hymenoptera, Braconidae, Braconinae), ZooKeys 647, pp. 37-65 : 41-45

Craspedolcus politus sp. n. Figs 28, 29-41

Type material.

Holotype, ♀ (IZCAS), "[China:] Hainan, Jianfengling, 4.V.1985, Maobin Gu, No. IOZ(E)1964586". Paratypes (3 ♀; IZCAS): 1 ♀, same data as holotype, but No. IOZ(E)1964591; 1 ♀ id., 4.IV.1984, Youdong Lin, No. IOZ(E)1964590; 1 ♀, Hainan, [locality unknown], 8.VII.1982, Youdong Lin, No. IOZ(E)1964610.

Diagnosis.

Body and hind leg yellowish brown; pterostigma yellow, but apically dark brown (Fig. 29); fore wing with stigmal spot up to vein CU1b, intruding in cells of fore wing below parastigma and included veins dark brown (Fig. 29); first tergite smooth except for its median carina and few striae (Fig. 33); second metasomal tergite smooth except for crenulae or short striae near outer side of antero-lateral areas and below nearly rhombical medio-basal area (Fig. 33); third tergite (including its transverse subposterior groove and both antero-lateral grooves) smooth (Fig. 33); length of ovipositor sheath 0.9 times body. For the separation from other species of Craspedolcus , see the diagnosis of Craspedolcus fraternus Enderlein.

Description.

Holotype, ♀, length of body 12.0 mm, of fore wing 12.8 mm, of ovipositor sheath 10.3 mm.

Head. Antenna 0.85 times as long as fore wing, with 71 segments; apical antennal segment with short spine, scapus slender, parallel-sided and distinctly protruding ventro-apically, with narrow indistinct apical ledge at inner side and basally gradually narrowed, its ventral setae erect (Figs 38, 41); third, fourth and penultimate segments 1.8, 1.2 and 1.1 times their maximum width, respectively; length of maxillary palp 0.8 times height of head; eye not emarginated (Fig. 36); face weakly and evenly convex, remotely finely punctate and with long erect yellowish setae; clypeus flat, superficially rugose, dorsally with weak carina and ventral margin thin and lamelliform protruding, with a row of long yellowish setae ventrally; hypoclypeal depression 0.5 times as wide as minimum width of face (Fig. 36); frons shallowly concave behind antennal sockets, with deep median groove, smooth except for a few punctures laterally (Fig. 36); vertex smooth except for few punctures and weakly convex, glabrous; OOL:diameter of posterior ocellus:POL = 30:7:5; in dorsal view length of eye 1.4 times temple; temples subparallel-sided behind eyes, with spaced setiferous punctures and long setae (Figs 37, 39); malar suture absent present and curved; length of malar space 0.8 times basal width of mandible; mandible twisted and with two wide teeth.

Mesosoma. Length of mesosoma 1.9 times its height (Fig. 31); side of pronotum shiny and smooth; propleuron with spaced punctures; pronotum vertical anteriorly and with a shallow groove and no antescutal depression; mesopleuron smooth and glabrous, anteriorly punctulate and sparsely setose; mesosternal sulcus smooth and narrow; metapleuron smooth and with long setae, convex; mesoscutum glabrous except some setae near notaulic courses, shiny and smooth; notauli shallowly impressed, smooth; scutellar sulcus present and with distinct fine crenulae; scutellum nearly flat anteriorly and smooth; side of scutellum smooth; metanotum medio-anteriorly with short carina, posteriorly evenly convex and smooth; propodeum smooth, with many long setae and evenly convex, medio-apically smooth in lateral view (Fig. 40).

Wings. Fore wing (Fig. 29): m-cu 0.8 times as long as 1-M; 1-SR+M sharply angled after arising from 1-M, 1.5 times as long as 1-M; 3-SR weakly curved, and SR1 straight; r:3-SR:SR1 = 6:36:41; 2-SR:3-SR:r-m = 13:35:13; r-m largely sclerotised; 1-CU1 widened and 0.06 times 2-CU1; cu-a vertical; CU1b narrower than 3-CU1. Hind wing (Fig. 30): with 4 coarse subbasal bristles on C+SC+R and with 3 hamuli on R1; SR weakly curved basally and marginal cell parallel-sided apically; subbasal cell near cu-a setose; 1r-m straight and 0.9 times as long as SC+R1; 2-SC+R 1.3 times longer than wide.

Legs. Tarsal claws simple and with long bristly setae ventrally; fore tarsus 1.5 times as long as fore tibia and tibia bristly setose and pimply anteriorly; length of femur, tibia and basitarsus of hind leg 4.2, 10.1 and 6.2 times their maximum width, respectively; hind tibia with dense appressed setae (Fig. 34); hind tibial spurs 0.3 and 0.4 times as long as hind basitarsus; inner side of hind tibia and tarsus densely bristly setose.

Metasoma. Length of first tergite 1.2 times its apical width, medial area low anteriorly, dorso-lateral carinae strongly developed, medial area smooth except for low median carina and few striae; second tergite largely smooth (including deep oblique anterior grooves) except for median carina connected to nearly rhombical medio-basal area and weak crenulae near medio-basal area and outer side of antero-lateral triangular areas (Fig. 33); second metasomal suture strongly crenulate, laterally narrowed and oblique; medially second tergite about as long as third tergite; maximum width of third tergite 3.5 times its medial length; third–fifth tergites smooth and with smooth transverse subposterior groove and antero-lateral grooves; ovipositor sheath 0.80 times as long as fore wing and 0.9 times body; hypopygium just surpassing apex of metasoma.

Colour. Yellowish brown; antenna (including entire scapus), mandible apically, stemmaticum, and ovipositor sheath dark brown or black; posterior half of mesosoma largely infuscate; apical 0.2 of pterostigma dark brown; remainder of pterostigma and wing membrane yellow, but fore wing with irregular stigmal spot up to vein CU1b, including dark brown veins 1-SR, 1-SR+M, m-cu and 3-CU1 and apically wings with wide infuscate area; remainder of veins brownish yellow (Figs 29, 30).

Variation. Length of body of female 10.4-12.0 mm, of fore wing of female 12.0-13.4 mm, and of ovipositor sheath 9.3-12.0 mm; antenna of female with 71 (2), 68 (1) segments; vein 3-SR of fore wing 2.6-3.0 times vein 2-SR; length of first tergite 1.2-1.3 times its apical width; length of ovipositor sheath 0.78-0.90 times fore wing; mesosoma and metasoma ventrally yellowish brown or infuscated; infuscate apical part of fore wing up to vein r-m or somewhat narrower; ventrally apex of scapus more or less yellowish vein cu-a of fore wing interstitial or narrowly postfurcal; fore tarsus 1.4-1.5 times as long as fore tibia; apical infuscation of hind wing as figured (Fig. 30) or somewhat wider; face colour similar to that of mesoscutum or paler.

Distribution.

China (Hainan).

Etymology.

Named " politus " (Latin for "made smooth") because of the smooth transverse subposterior grooves of the metasoma and the smooth third tergite.