Streblocera (Eutanycerus) laterostriata Li, Chen & van Achterberg, 2021
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publication ID |
https://dx.doi.org/10.3897/zookeys.1044.59979 |
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publication LSID |
lsid:zoobank.org:pub:96B47980-D6AB-4DC8-AE02-6913A392DE30 |
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persistent identifier |
https://treatment.plazi.org/id/97A7D15E-CC23-4F72-9118-E5D6EC53CE9F |
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taxon LSID |
lsid:zoobank.org:act:97A7D15E-CC23-4F72-9118-E5D6EC53CE9F |
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treatment provided by |
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scientific name |
Streblocera (Eutanycerus) laterostriata Li, Chen & van Achterberg |
| status |
sp. nov. |
Streblocera (Eutanycerus) laterostriata Li, Chen & van Achterberg sp. nov. Figures 7A-E View Figure 7 , 8F-I View Figure 8
Type material.
Holotype, ♀, SW China, Yunnan Province, Wenshan City, Malipo County, Tiechangtuanxiang, 20.viii.2017, Yan-Qiong Peng, 1372 m.
Description.
Holotype, ♀, length of antenna 3.9 mm, of fore wing 3.3 mm, and of body 4.0 mm (Fig. 7A View Figure 7 ).
Head. Antenna with 24 antennomeres and 1.2 × longer than fore wing, 0.9 × as long as body (Fig. 7A View Figure 7 ); scapus slender, straight and no expanded, 7.5 × longer than its maximum width, without horn, finely setose (Fig. 7C View Figure 7 ); all flagellomeres unmodified, first flagellomere 1.5 × longer than second flagellomere, first, second and penultimate flagellomere 3.5, 2.3 and 1.5 × longer than wide, respectively (Fig. 7C View Figure 7 ); eye 1.5 × longer than temple in dorsal view (Fig. 7D View Figure 7 ); temples roundly behind eyes; ocelli medium size, OOL:OD:POL = 19:2:12 (Fig. 7D View Figure 7 ); frons rugose and setose (Fig. 7D View Figure 7 ); vertex largely punctate and setose (Fig. 7D View Figure 7 ); occipital carina nearly complete, interrupted medio-dorsally (Fig. 7D View Figure 7 ); face 2.6 × wider than high, rugose to punctate (Fig. 7E View Figure 7 ); clypeus punctulate and convex, narrow slightly than face, 2.7 × wider than high (Fig. 7E View Figure 7 ); dorsal margin of clypeus above level of ventral margin of eye in anterior view (Fig. 7E View Figure 7 ); tentorial pits very large (Fig. 7E View Figure 7 ); malar suture shallow and wide, length of malar space 0.7 × basal width of mandible (Fig. 7E View Figure 7 ); mandibles stout (Fig. 7E View Figure 7 ).
Mesosoma. Length of mesosoma 1.6 × its height (Fig. 8G View Figure 8 ); side of pronotum crenulated to rugose (Fig. 8G View Figure 8 ); propleuron smooth (Fig. 8G View Figure 8 ); mesopleuron rugose and foveolate (Fig. 8G View Figure 8 ); prepectal medio-ventral carina present (Fig. 8G View Figure 8 ); episternal scrobe wide (Fig. 8G View Figure 8 ); precoxal sulcus long, wide and crenulate (Fig. 8G View Figure 8 ); mesonotum sparsely setose, flat, smooth and shiny; notauli narrow and carina; mesoscutum sparsely setose, flattened; scutellar sulcus wide and rugose with one distinct crenula; scutellum flat, smooth; metapleuron reticulate (Fig. 8G View Figure 8 ); propodeum rugae and foveolae (Fig. 8F View Figure 8 ).
Wings. Fore wing (Fig. 8I View Figure 8 ): vein 1-SR+M absent; vein 1-R1 0.7 × as long as pterostigma; vein SR1+3-SR curved, largely unstained; r:2-SR = 13:65; vein r issued slightly behind middle of pterostigma; vein m-cu cross vein 2-SR; vein cu-a distinct longer than vein 1-CU1 and postfurcal.
Legs. Fore leg: tibia 5.0 × longer than coxa, 1.8 × longer than femur; middle leg: tibia 4.4 × longer than coxa, 1.3 × longer than femur; hind leg: tibia 5.6 × longer than coxa, 1.1 × longer than femur; hind coxa smooth, 1.8 × longer than wide; femur, tibia and basitarsus 6.1, 15.6 and 6.7 × longer than wide, respectively; hind basitarsus 0.1 × as long as hind tibia; hind fourth tarsal segment 0.8 × as long as fifth tarsal segment.
Metasoma. First tergite 2.0 × longer than its apical width, and apical width 3.4 × its minimum width, with large dorsope basally (Fig. 8H View Figure 8 ); first tergite smooth basally, striate laterally (Fig. 8H View Figure 8 ); following tergites smooth and shiny; ovipositor sheath striate basally, 0.2 × as long as fore wing; ovipositor long and straight (Fig. 7B View Figure 7 ).
Colour. Dark brown to black; face, basal part of antenna and of ovipositor sheath and ovipositor dark brown; wing membrane infuscate, pterostigma and veins dark brown.
Remarks.
This new species can be distinguished from related species by its unique “simple” antenna. Only S. (E.) sichuanensis Wang, 1986 shares this character with new species, but the new species differs from it as follows: (i) antenna with 24 antennomeres, scapus 7.5 × longer than its maximum width (antenna with 21 antennomeres, scapus 5.7 × longer than maximum width in S. sichuanensis ); (ii) first metasomal tergite 2.0 × longer than its apical width, striate laterally (first tergite 2.5 × longer than its apical width, smooth laterally); (iii) propodeum without basal carina (propodeum with basal carina); (iv) ovipositor long and straight (ovipositor curved apically).
Biology.
Unknown.
Distribution.
Oriental: China (Yunnan).
Etymology.
Named after the laterally striate first tergite; “lateralis” is Latin for "of the side" and “stria” is Latin for “line”.
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.