Dichaetophora heterochroma 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/4C4A707B-EFFC-474D-A485-381B40B879E8 |
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taxon LSID |
lsid:zoobank.org:act:4C4A707B-EFFC-474D-A485-381B40B879E8 |
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treatment provided by |
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scientific name |
Dichaetophora heterochroma Yang & Gao |
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sp. n. |
Dichaetophora heterochroma Yang & Gao View in CoL sp. n.
Figs 3E-G View Figure 3 , 4F-J View Figure 4 , 6 View Figure 6
Type material.
Holotype ♂ (#03879): MALAYSIA: Poring, Mt. Kinabalu, Sabah, 20.iii.2008, MJ Toda (KPSP).
Paratypes: same data as holotype (1♂, 1♀: #03880, #03881, KIZ; 1♂, SEHU); same data as holotype except for 13.iii.2008 (1♀: #03883, KIZ); same data as holotype except for 19.iii.2008 (1♂, SEHU); same data as holotype except for 3.x.1999 (1♂, SEHU); Mahua, Crocker Range, Sabah, Malaysia, 14.x.1999, MJ Toda (1♀, KPSP; 2♀, SEHU); Ulu Senagang, Crocker Range, Sabah, Malaysia, 18.x.1999, MJ Toda (1♂, 2♀: #03884-3886, ZSM).
Diagnosis.
Wing largely clouded, except for central pale patch around dm-cu vein and periphery (Fig. 3G View Figure 3 ); dorsolateral tentorial apodemes nearly parallel in basal half (Fig. 4H View Figure 4 ); tenth sternite mediolaterally with a pair of round depressions (seen in anterior view; Fig. 6E View Figure 6 ); oviscapt valve 2/5 as broad as long (Fig. 6J View Figure 6 ).
Description.
Head (Figs 3E, F View Figure 3 , 4F-J View Figure 4 ): First flagellomere grayish yellow. Supracervical setae 15-22 per side; postocular setae 17-21 per side. Palpus with one subprominent lateromedial seta. Cibarium with 78-79 medial and ca. 8 posterior sensilla per side.
Wings (Fig. 3G View Figure 3 ): Veins pale brown to dark brown, but pale within central pale patch. Halter pale gray; stem darker.
Legs (Fig. 3E View Figure 3 ) pale grayish yellow; foreleg coxa, tibia and tarsus, except for fifth tarsomere, dark brown. 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. 6A-I View Figure 6 ): Epandrium pubescent except for anterior portion, with 3-4 dorsal and 9-12 ventral, long setae per side. Surstylus with prensisetae in nearly straight row on caudal margin, 2-4 apically pointed spines but no pubescence on outer surface and ca. 20 apically pointed, recurved spines on inner, caudal portion. Cercus pubescent except for caudal margin, with 6-12 long setae near dorsal to posterior margin and 6-7 short setae in cluster on ventral portion of sclerotized marginal plate. Paramere with sensilla subapically.
Female terminalia (Fig. 6J-L View Figure 6 ): Oviscapt valve with ca. five lateral and 12-14 marginal, peg-like ovisensilla. Introvert of spermathecal capsule 1/5 as deep as capsule height.
Measurements (in mm): BL = 2.18 in holotype (range in 2♂ paratypes: 1.99 -2.21; range in 4♀ paratypes: 2.31-2.77), ThL = 0.79 (0.81-0.85; 0.92 -0.97), WL = 1.64 (1.60-1.64; 1.80 -2.30), WW = 0.68 (0.69-0.70; 0.75 -0.97).
Indices: FW/HW = 0.59 (2♂, 4♀, or less if noted, paratypes: 0.50-0.54), ch/o = 0.20 (0.25-0.28), prorb = 0.74 (2♂, 1♀: 0.76-0.87), rcorb = 0.29 (2♂, 3♀: 0.31-0.36), orbito = 0.54 (0.48-0.76), dcl = 0.71 (1♂, 2♀: 0.60-0.73), sctl = n/a (1♂, 3♀: 0.88-0.94), sterno = 0.54 (0.50-0.61), dcp = 0.55 (0.55-0.65), sctlp = 0.62 (0.75-0.95), C = 1.69 (1.99-2.08), 4c = 1.54 (1.41-1.54), 4v = 2.50 (2.28 -2.51), 5x = 1.79 (1.25-1.56), ac = 2.86 (2.38-3.09), M = 0.70 (0.62-0.64), C3F = 0.78 (0.73-0.87).
Etymology.
Referring to the heterochromatic legs.
Distribution.
Malaysia (Sabah).
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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