Dichaetophora flatosternata Yang & Gao, 2017
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publication ID |
https://dx.doi.org/10.3897/zookeys.665.11609 |
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publication LSID |
lsid:zoobank.org:pub:222DBEEE-143E-4E0B-BA4F-C3484A230961 |
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persistent identifier |
https://treatment.plazi.org/id/2BAD2A68-B183-4781-AF74-A103DEF614F4 |
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taxon LSID |
lsid:zoobank.org:act:2BAD2A68-B183-4781-AF74-A103DEF614F4 |
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treatment provided by |
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scientific name |
Dichaetophora flatosternata Yang & Gao |
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sp. n. |
Dichaetophora flatosternata Yang & Gao View in CoL sp. n.
Figs 3H-J View Figure 3 , 4K-O View Figure 4 , 7 View Figure 7
Type material.
Holotype. ♂ (#04172), CHINA: Mengyuan Substation, Mengla Station, Xishuangbanna National Nature Reserve, Guanlei, Mengla, Xishuangbanna, Yunnan, 14-15.xi.2012, JJ Gao (KIZ).
Paratypes: same data as holotype (5♂, 2♀: #04171, #04173-4178, KIZ, SEHU).
Diagnosis.
Wing largely clouded, except for central pale patch around dm-cu vein and periphery (Fig. 3J View Figure 3 ); dorsolateral tentorial apodemes slightly divergent in basal half (Fig. 4M View Figure 4 ); tenth sternite nearly flat (Fig. 7E View Figure 7 ); oviscapt valve half as broad as long (Fig. 7J View Figure 7 ).
Description.
Head (Figs 3H, I View Figure 3 , 4K-O View Figure 4 ): First flagellomere grayish yellow. Supercervical setae 17-18 per side; postocular setae 20-22 per side. Palpus with one subprominent lateromedial seta. Cibarium with 77-79 medial and ca. 10 posterior sensilla per side.
Wings (Fig. 3J View Figure 3 ): Veins pale brown to dark brown, but pale within central pale patch. Halter pale gray; stem darker.
Legs (Fig. 3H View Figure 3 ) pale grayish yellow; foreleg tibia and tarsus, mid-leg femur and distal portion of hindleg femur darker. Hindleg tibia lacking apical seta. Mid-leg first tarsomere longer than total length of four succeeding tarsomeres; hindleg first tarsomere as long as total length of four succeeding tarsomeres.
Male terminalia (Fig. 7A-I View Figure 7 ): Epandrium pubescent except for anterior portion, with ca. three dorsal and 10-11 ventral, long setae per side. Surstylus with prensisetae in slightly concave row on caudal margin, 2-3 apically pointed spines but no pubescence on outer surface and ca. 16 apically pointed, recurved spines on inner, caudal portion. Cercus pubescent except for caudal margin, with 10-13 long setae near dorsal to posterior margin and 8-10 short setae in cluster on ventral portion of sclerotized marginal plate. Paramere with sensilla subapically.
Female terminalia (Fig. 7J-L View Figure 7 ): Oviscapt valve with ca. four lateral and 12-13 marginal, peg-like ovisensilla. Introvert of spermathecal capsule 1/4 as deep as capsule height.
Measurements (in mm): BL = 2.10 in holotype (range in 5♂ paratype: 2.08-2.32; range in 2♀ paratypes: 2.21 -2.31), ThL = 0.87 (0.83-0.88; 0.83 -0.93), WL = 1.78 (1.67-1.81; 1.71 -1.81), WW = 0.81 (1.79-1.82; 0.81-0.83).
Indices: FW/HW = 0.54 (5♂, 2♀, or less if noted, paratypes: 0.49-0.54), ch/o = 0.23 (0.27-0.29), prorb = 0.71 (0.79-0.87), rcorb = n/a (0.33-0.39), orbito = 0.54 (0.55-0.74), dcl = 0.64 (0.62-0.78), sctl = n/a (4♂, 2♀: 0.89-0.97), sterno = 0.65 (0.54-0.63), dcp = 0.55 (0.54-0.62), sctlp = 0.73 (0.74-0.80), C = 1.53 (1.63-1.71), 4c = 1.45 (1.22-1.36), 4v = 1.96 (1.42-1.60), 5x = 1.89 (1.79-1.94), ac = 3.04 (2.53-2.76), M = 0.64 (0.57-0.64), C3F = 0.69 (0.62-0.71).
Etymology.
Referring to the flat male tenth sternite.
Distribution.
China (Yunnan).
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.
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