Phasia wangi Sun

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320: 59-60

publication ID 10.11646/zootaxa.276.1.1

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Phasia wangi Sun

sp. nov.

3.3.8 Phasia wangi Sun   , sp. nov.

(Figure I­57.6­10, II­6.3)


Holotype ♀, CHINA, Sichuan Province, Wolong, 2,000m, 8.ix.1986, Y. Wang (IZAS).


Body length: 7 mm.

FEMALE: HEAD. Head spherical or nearly so. Eyes touching. Fronto­orbital plate black, swollen, grey pruinose; 10­11 rows of hairs laterally (reaching to eyes). Frontal vitta extremely narrow, red. Frontal vitta at base of antennae 0.3 times as wide as fronto­orbital plate anteriorly. Ocellar setae present but fine; outer vertical setae absent; inner vertical setae absent. Face brown to black with grey pruinosity. Parafacial brown, grey pruinose, haired; 2.8 times as wide as first flagellomere. Lower margin of face perpendicular, not projecting, brown, grey pruinose. Vibrissa well differentiated; intervibrissal distance 0.9 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 2/ 5. Gena brown, grey pruinose; hairs black; height 0.12 times eye height. Lunule black and shining; sublunular bulla indistinct. Antenna black; first flagellomere 1.2 times as long as pedicel; arista thickened on basal 1/4. Length of oral opening 1.3 times its width. Occiput flattened, white pruinose; hairs black. Palpus yellow.

THORAX. Mesoscutum thinly pruinose, without longitudinal vitta, with fine black hairs. 0+2 Acrostichal setae; 1+2 dorsocentral setae; 2 postpronotal setae; presutural supra­alar seta present, strong; 1 postsutural intra­alar seta; 2 notopleural setae; 1 supraalar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black; and without scale­like setae. Anepimeral setae strongly, black; 1 katepisternal seta; 5­9 meral setae. Scutellum black, shining, without pruinosity, with two pairs of marginal setae; apical setae present and distinct; discal setae randomly arranged, not in rows. Subscutellum not very prominent. WING. Lower calypter white with light brown infuscation. Wing base without scalelike setae. Tegula black. Basicosta black. Wing hyaline, narrow; petiole of apical cell 0.15 times as long as preceding section of R 4+5; M meeting R 4+5 at acute angle. Halter yellow.

LEGS. Fore femur black; hairs black. Fore tibia black, with 5 p, apically with 1 ad, 1 p and 1 d. Fore tarus black. Fore claws brown, apex black; 0.8 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; hairs black. Mid tibia black, with 1 ad, 4 p and 1 v, apically with 1 ad, 1 a, 1 av, 1 pv, 1 p, 1 v and 1 d. Hind femur black; hairs black; scale­like setae absent. Hind tibia black, with 7 pd and one row of ad. Anterior spine­like setae of hind tibia present.

ABDOMEN. Abdominal tergites black; pruinosity absent; longitudinal vitta absent; tergite IV with one row of long marginal bristles. Relative length of abdominal tergites I+II:III:IV: V = 1.3:1:1:0.6; relative width I+II:III:IV: V = 0.4:1:0.9:0.7. Hair spots indistinct. Sternite VII (sheath) 1.8 times longer than sternite VI, knife­like, slightly bent, apex directed dorsally; sternite VII with linear wrinkles ventrally. Ovipositor bent upward.

MALE: Unknown.




This specific name is a patronym in honour of Mr. Y. Wang who collected the type specimen when he was in the Institute of Zoology, Chinese Academy of Sciences, Beijing, China.


Royal British Columbia Museum - Herbarium