Dolichopus (Dolichopus) longipilosus, Zhang & Yang, 2008
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publication ID |
https://doi.org/ 10.1080/00222930802354100 |
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persistent identifier |
https://treatment.plazi.org/id/12738794-FFAB-F81F-6488-FC9D62FC1188 |
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treatment provided by |
Felipe |
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scientific name |
Dolichopus (Dolichopus) longipilosus |
| status |
sp. nov. |
Dolichopus (Dolichopus) longipilosus View in CoL sp. n.
( Figure 2 View Figure 2 )
Type material
Holotype: male, China: Inner Mongolia Prov.: Tuweibashan Mt. , 8 July 1975 (IPPE).
Diagnosis
Middle and lower postocular bristles pale. Antenna yellow, scape and pedicel dark brown dorsally; first flagellomere blackish brown, 1.5 times longer than wide. Hind femur with four to five long, yellow ventral hairs (distinctly longer than thickness of femur). Hind tarsomere 1 with one d.
Description
Male. Head metallic green with pale gray pollen. Face silvery white, slightly wider than first flagellomere. Hairs and bristles on head black; middle and lower postocular bristles pale. Antenna ( Figure 2A View Figure 2 ) yellow, scape and pedicel dark brown dorsally; first flagellomere blackish brown, 1.5 times longer than wide; arista dorsal, black, minutely pubescent, with basal segment 0.3 times as long as apical segment. Proboscis brown with black hairs; palpus yellow with black hairs and one black apical bristle.
Thorax metallic green with pale gray pollen. Hairs and bristles on thorax black; six strong dc (fifth slightly divergent from the dc row), nine to ten paired acr; scutellum with two pairs of bristles (basal pair 1/4 as long as apical pair) and some short pale marginal hairs. Propleuron pale haired with one black bristle on lower portion. Legs yellow; fore coxa yellow, mid and hind coxae black with yellow tip. Fore tarsus from tip of tarsomere 1 onward brownish to brown; mid tarsus from tip of tarsomere 1 onward black; apical 1/3 of hind tibia and entire hind tarsus black. Hairs and bristles on legs black, mid and hind coxae each with one outer bristle, mid and hind femora each with one preapical bristle. Hind femur with four to five long, yellow ventral hairs (distinctly longer than thickness of femur). Fore tibia with two ad, two pd and two pv, apically with two bristles; mid tibia with four ad, two pd and one av, apically with five bristles; hind tibia with four ad, four pd, one apical d and one1 av, apically with two bristles. Hind tarsomere 1 with one d. Relative lengths of tibia and five tarsomeres: LI 1.6: 0.7: 0.35: 0.25: 0.15: 0.15; LII 2.2: 1.0: 0.6: 0.5: 0.3: 0.2; LIII 2.3: 0.85: 0.95: 0.6: 0.4: 0.3. Wing ( Figure 2B View Figure 2 ) hyaline, veins brown. Costal callus weak, M without rudimentary M 2; CuAx ratio 0.5. Squama yellow with black hairs. Halter yellow.
Abdomen metallic green with pale gray pollen. Hairs and bristles on abdomen black. Male genitalia ( Figures 2C, D, E, F View Figure 2 ): Epandrium distinctly longer than wide; inner epandrial lobe with one spine-like bristle, outer epandrial lobe distinct and with one inner bristle; cercus nearly rectangular, with distinct finger-like marginal processes and bristles; hypandrium acute apically; aedeagus slender.
Female. Unknown.
Measurements of male (mm). Body length 3.5 mm, wing length 3.8 mm.
Etymology
The specific name refers to the long ventral hairs of the hind femur.
Remarks
The new species is somewhat similar to D. agilis Meigen in the similar shape of the antenna, the hind tarsomere 1 with one d and the outer epandrial lobe with one spine-like apical bristle. But it may be separated from the latter by the hind femur with four to five very long yellow ventral hairs (distinctly longer than the thickness of the femur). In D. agilis , the hind femur has no long ventral hairs ( Stackelberg 1930).
Distribution
China (Inner Mongolia).
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.