Dolichopeza (Nesopeza) incisuraloides Men, 2018
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publication ID |
https://doi.org/ 10.2478/aemnp-2018-0050 |
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publication LSID |
lsid:zoobank.org:pub:A4D7D0F9-FF6A-4374-804B-17750DDC774E |
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persistent identifier |
https://treatment.plazi.org/id/9E0187B3-3D32-FFC6-3685-5A4AFB4B0278 |
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treatment provided by |
Marcus |
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scientific name |
Dolichopeza (Nesopeza) incisuraloides Men |
| status |
sp. nov. |
Dolichopeza (Nesopeza) incisuraloides Men View in CoL sp. nov.
( Figs 2, 5 View Figs 1–6 , 16 View Figs 13–21 , 30–40 View Figs 30–36 View Figs 37–40 )
Type locality. Simianshan Mountain, Chongqing, China, 28°39′N, 106°24′E.
Type material. HOLOTYPE: J, CHINA: CHONGQING: Simianshan Mountain , 17.v.2017, coll. Guoxi Xue, Chao Zhang. PARATYPES: 2 JJ 1 ♀, same data as holotype.
Diagnosis. Generally grayish-brown. Prescutum grayish- -brown with four yellowish stripes. Wing grayish-brown with dark brown stigma. Leg with coxa and trochanter light brown, femur light brown with dark brown tip, tibia and tarsus wholly white. Tergite nine conspicuously trilobed, median one bigger than the others. Outer gonostylus narrowed, slightly dilated medially, inner gonostylus with basal beak truncate, with apical beak relatively broadened, obliquely truncate.
Description. Male. Length: body 7.0–7.2 mm, wing 7.2–7.4 mm, antenna 3.4–3.6 mm.
Head. Rostrum grayish-brown. Nasus lacking. Antenna with scape, pedicel and first flagellomere light yellowish- -brown, remaining flagellomeres dark brown, flagellomere gradually shorter in length. Palpus dark brown. Head grayish-brown, occiput with median region slightly darker in coloration.
Thorax. Pronotum grayish-brown ( Figs 2, 5 View Figs 1–6 ). Prescutum grayish-brown with four yellow stripes, median stripes divided into two parts by grayish-brown mid-line, lateral stripes slightly longer than half length of median stripe ( Fig. 2 View Figs 1–6 ). Scutum grayish-brown. Scutellum and postnotum grayish-brown with middle region slightly yellow ( Fig. 2 View Figs 1–6 ). Pleuron grayish-brown, without dorsal-longitudinal stripe or distinct markings ( Fig. 5 View Figs 1–6 ). Halter with stem grayish- -brown, knob dark brown. Leg with coxa and trochanter light brown, femur light brown with dark brown tips, tibia and tarsus wholly white. Wing with grayish-brown suffusion, cells c and sc not suffused with darker color, stigma dark brown with both ends brighter, anterior brighter region almost covering cell rs; veins brown, Sc ending about opposite terminal of Rs, R 3 slightly curved, about twice as long as R 2+3, cell m 1 1.6 times longer than its petiolate, r-m slightly longer than basal section of R
4+5
( Fig. 16 View Figs 13–21 ).
Abdomen dark brown with light brown ring on each segment medially. Hypopygium dark brown. Hypopygium with tergite nine conspicuously trilobed, median one distinctly longer than the others, the latter small and acute apically ( Figs 30, 31 View Figs 30–36 ). Outer gonostylus narrowed, dilated medially, obtuse apically ( Figs 30–32 View Figs 30–36 ). Inner gonostylus with basal beak truncate, with apical beak relatively broadened, obliquely truncate ( Figs 30–32 View Figs 30–36 ).
Semen pump with anterior immovable apodeme broadened ( Figs 33, 35 View Figs 30–36 ). Compressor apodeme fan-shaped, slightly emarginated, median ridge very developed ( Fig. 34 View Figs 30–36 ). Posterior immovable apodeme slightly shorter than compressor apodeme, finger-shaped in dorsal view, slightly curved in lateral view ( Figs 33, 35 View Figs 30–36 ). Aedeagal guide extending from semen pump posteriorly, connecting with ventral wall of genital chamber, expanded apically and rabbit-head-shaped in caudal view ( Figs 33, 35 View Figs 30–36 ). Aedeagus relatively thick, gradually narrowed to apex from distal third ( Fig. 33 View Figs 30–36 ).
Female. Length: body 9.4–9.6 mm, wing 9.6–9.8 mm, antenna 1.8–2.0 mm.
Antenna relatively short, scape grayish-brown, elongated, pedicel grayish-brown, very short, flagellum slightly darker. Leg with coxa and trochanter light brown, femur grayish-brown with dark brown tips, tibia light grayish except both ends whitish, and tarsus white with grayish base. Abdomen generally grayish-brown, tergites one to eight with broad yellowish rings in middle areas of tergites, tergite nine and ten wholly brown ( Figs 37, 38 View Figs 37–40 ). Sternites grayish-brown. Ovipositor brown ( Figs 37, 38 View Figs 37–40 ). Cercus long, acinacifoliate ( Figs 37, 38 View Figs 37–40 ). Hypogynial valve darker in coloration, simple, slightly surpassing caudal margin of tergite ten ( Figs 37, 38 View Figs 37–40 ).
Internal reproductive system. Consisting of bursa copulatrix leading to functional spermatheca, three spermathecae with respective spermatheca ducts, and vaginal apodeme ( Fig. 39 View Figs 37–40 ). Bursa copulatrix relatively elongated, narrowed, terminating in swollen functional spermatheca ( Fig. 39 View Figs 37–40 ). Spermatheca spherical ( Fig. 39 View Figs 37–40 ). Spermatheca duct slender and flexible, arising from median region of bursa copulatrix ( Fig. 39 View Figs 37–40 ). Spermatheca ducts attached to bursa copulatrix separately, but in close proximity ( Fig. 39 View Figs 37–40 ). Vaginal apodeme broad basally, gradually narrowed to very acute apex ( Figs 39, 40 View Figs 37–40 ). Female internal reproductive system with copulatory opening on ventral side of sternite nine ( Fig. 39 View Figs 37–40 ).
Differential diagnosis. This new species is externally similar to D. (N.) incisuralis in the venation of wing, the shapes of inner gonostylus and processes on tergite nine. It can be easily distinguished from the latter by darker body color, narrower outer gonostylus, the anterior immovable apodeme not expanded downward (expanded downward in D. (N.) incisuralis ), the compressor apodeme having a developed middle ridge (not bearing such middle ridge in D. (N.) incisuralis ), and the aedeagus gradually tapered to apex (gradually narrowed only from the distal third in D. (N.) incisuralis ). There is also a noticeable difference in the shape of aedeagal guide as illustrated in Figures 33 and 35 View Figs 30–36 .
Etymology. The specific epithet is based on the name of the related species, D. (N.) incisuralis , with the Latin suffix ‘- oides ’, referring to the morphological similarity of the new species to D. (N.) incisuralis .
Distribution. China: Chongqing.
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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