Protodacnusa helanensis, Mao, Juan, He, Jun-Hua & Chen, Xue-Xin, 2015
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publication ID |
https://doi.org/ 10.11646/zootaxa.3990.3.2 |
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publication LSID |
lsid:zoobank.org:pub:2AE572DF-672B-4328-906E-B282C54110B9 |
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DOI |
https://doi.org/10.5281/zenodo.6109436 |
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persistent identifier |
https://treatment.plazi.org/id/1D7CCF1C-FFB1-867B-FF26-FE77029A6B26 |
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treatment provided by |
Plazi |
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scientific name |
Protodacnusa helanensis |
| status |
sp. nov. |
Protodacnusa helanensis sp. nov.
( Fig. 3 View FIGURE 3 )
Holotype. ♀, China, Inner Mongolia, Helan mountain, 25.VII.2010, Zeng Jie, No. 201006492 ( ZJUH). Paratypes. 3♀♀, China, Inner Mongolia, Helan mountain, 28.VII.2010, Zeng Jie, Nos. 201006510, 201006517, 201006522( ZJUH). ♀, China, Inner Mongolia, Helan mountain, 4.VIII.2010, Yan Chengjin, No. 201006682( ZJUH). 3♂♂, same data as holotype, Nos. 201006486, 201006487, 201006490( ZJUH). ♂, China, Inner Mongolia, Helan mountain, 28.VII.2010, Zeng Jie, No. 201006525( ZJUH). ♂, China, Inner Mongolia, Helan mountain, 6.VIII.2010, Yan Chengjin, No. 201006456( ZJUH).
Description. Female. Body length 1.7 mm; fore wing length 1.6 mm.
Head. Antenna shorter than body, 19-segmented. First flagellar segment 3.5 × as long as its apical width, 1.1 × as long as second segment. Penultimate segment 2.6 × as long as wide. Head width 1.9 × its median length, 1.5 × as broad as mesoscutum between tegulae. Vertex smooth, with sparse setae. Frons weakly concave, smooth. Temple smooth, with sparse setae, swollen behind eyes in dorsal view ( Fig. 3 View FIGURE 3 B). Transverse diameter of eye 1.0 × as long as temple in lateral view. Ocelli small, in triangle with base equal to its sides. POL: OD: OOL=3.0: 1.0: 2.5. Eye glabrous, 2.4 × as high as broad. Malar space short, 0.2 × basal width of mandible. Face smooth, with a very weak longitudinal carina antero-medially ( Fig. 3 View FIGURE 3 C). Occipital carina complete absent. Mandible expanded with three distinctly developed teeth, apical width 1.4 × its basal width, upper tooth small, second tooth pointed, third tooth expanded laterally ( Fig. 3 View FIGURE 3 E). Palpi shorter than height of head.
Mesosoma. Length 1.2 × as long as its height in lateral view. Pronope small. Sides of pronotum smooth. Mesoscutum mostly smooth, with sparse punctures and sparse setae. Notauli distinct, extending to anterior half of mesoscutum ( Fig. 3 View FIGURE 3 H). Prescutellar depression deep, with four longitudinal carinae. Scutellum mostly smooth. Mesopleuron punctate. Precoxal sulcus absent. Metanotum with a median tooth. Metapleuron with sparse setae. Propodeum smooth, only rugose laterally, median carina absent, lateral tubercles present.
Wings. Fore wing 2.7 × as long as its maximum width. Pterostigma parallel-sided, 8.3 × as long as wide. Vein r arising from base of pterostigma, its length shorter than width of pterostigma. First discal cell of fore wing narrow, not wider than high. Vein 1-R1 very short, 0.3 × as long as pterostigma, ending well before tip of wing. Vein SR1+3-SR distally bisinuate, bent as in Fig. 3 View FIGURE 3 D. Vein m-cu antefurcal. Subdiscal cell distally open, vein CU1b absent ( Fig. 3 View FIGURE 3 D).
Legs. Hind coxa smooth. Hind femur 4.8 × as long as its maximum width. Hind tibia slightly longer than its tarsus in length. Hind basitarsus shorter than tarsomeres 2–3 combined.
Metasoma. First tergite subtriangular, longitudinally rugulose and convex, dorsope absent, its length 1.2 × as long as its apical width ( Fig. 3 View FIGURE 3 F). Second and third tergites fused, smooth, with one row of setae along its hind margin. Remaining tergites polished, with one row of setae along their hind margin respectively. Hypopygium acute apically. Ovipositor sheath short, concealed dorsally, visible laterally ( Fig. 3 View FIGURE 3 A).
Colour. Head and mesosoma black. Scape and pedicel dark brown, flagellum black. Mandible and palpi yellow. Tegula dark brown, parategula light brown. Metasoma reddish brown except first tergite black. Legs light brown, coxae dark brown, femora and tibiae brown. Wings hyaline, pterostigma and veins opaque light browngreyish.
Male. Same as the female.
Host. Unknown.
Variation. Body length 1.6–1.8 mm; antenna with 17–22 antennomeres, first flagellar segment 3–4 × as long as broad; pterostigma 7–8 × as long as wide.
Diagnosis. This new species is similar to P. dimorphus sp. nov., but differs in first tergite 1.2 × broad behind, longitudinally rugulose; precoxal suture absent; mesosoma 1.2 × as long as high in lateral view; and propodeum smooth dorsally, only rugose laterally.
Distribution. China (Inner Mongolia).
Etymology. This name refers to its type locality, Helan mountain.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.