Phasia sichuanensis Sun, 2003

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 57-58

3.3.7 Phasia sichuanensis Sun , sp. nov.

(Figures I­57.1­5, II­6.3)

TYPE MATERIAL

Holotype ♀, CHINA, Sichuan, Yanyuan, 2,200m, 15.x.1986, Y. Wang (IZAS).

DESCRIPTION

Body length: 3.5 mm.

FEMALE: HEAD. Head spherical or nearly so. Eyes touching. Fronto­orbital plate black, swollen, grey pruinose; 5 rows of hairs laterally (reaching to eyes). Frontal vitta triangular, yellow. Frontal vitta at base of antenna1.4 times as wide as fronto­orbital plate anteriorly. Ocellar setae strong; outer vertical setae present; inner vertical setae absent. Face black with grey pruinosity. Parafacial lower part yellow, but upper part brown to black with grey pruinosity, haired (on upper part), 1.4 times as wide as first flagellomere. Lower margin of face projecting, visible in profile, black with grey pruinosity. Vibrissa well differentiated; intervibrissal distance 1.8 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 2/5. Gena black with grey pruinosity; hairs black; height 0.12 times eye height. Lunule black and shining; sublunular bulla indistinct. Antenna yellow; first flagellomere 1.05 times as long as pedicel; arista thickened on basal 0.4. Length of oral opening 1.4 times its width. Occiput flattened, white pruinose; hairs black. Palpus yellow.

THORAX. Mesoscutum shining, without pruinosity, with fine black hairs. 0+2 acrostichal setae; 1+2 dorsocentral setae; 2 postpronotal setae; 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 medium size, black; 1 katepisternal seta; 5­6 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 hyaline white. Wing base without scale­like setae. Tegula black. Basicosta black. Wing hyaline, narrow; petiole of apical cell 0.4 times as long as preceding section of R 4+5; M meeting R 4+5 almost at right angle. Halter yellow. LEGS. Fore femur black; hairs black. Fore tibia black, without bristles, apically with 1 pv and 1 d. Fore tarus black. Fore claws black; 0.9 times as long as fifth tarsomere. Pulvilli black. Mid femur black; hairs black. Mid tibia black, with 1 ad 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 without anterior spine­like setae, with 7­8 ad and 3­4 pd.

ABDOMEN. Abdominal tergites black; pruinosity absent; longitudinal vitta absent; tergites IV, V with long marginal bristles. Hair spots indistinct. Sternite VII (sheath) narrow apically, bent, apex directed ventrally, sternite VII with linear wrinkles ventrally. Ovipositor bent upward.

MALE: Unknown.

HOST

Unknown.

ETYMOLOGY

This specific name is derived from the type locality, Sichuan Province, China.

NOTES

The female terminalia of the holotype are stored in glycerine in a micro vial.