Phasia woodi Sun

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320: 190-191

publication ID 10.11646/zootaxa.276.1.1

publication LSID

persistent identifier

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scientific name

Phasia woodi Sun

sp. nov.

3.6.18 Phasia woodi Sun   , sp. nov.

(Figures I­68, II­8.4)


Holotype ♂, MALAYSIA, 3 Div., S'wak, Ulu Oya, Ng. Sekuau, 19.xii.1974, D. Munroe (CNCI); allotype ♀, same as holotype (CNCI); paratypes, 12♂ 17♀, same as holotype (CNCI); 1♀, CHINA, Taiwan, Chihpen,, H.M. Lin (BLKU); 1♀, THAILAND, Chiangdao, 5­11.iv.1958, T.C. Maa (BMBP); 20♂ 25♀, AUSTRALIA, N Queensland, Redlynch and Koah, 17.ix. 10.x.1938, R.G. Wind (BMNH); 1♀, AUSTRALIA, Queensland, Kuranda, ix.1910, E.P. Dodd (AMNH); 1♀, AUSTRALIA, Queensland, Burpengary, 5­12­99, Dr. T.L. Bancroft (BMNH).


Body length: 4­5 mm.

MALE: HEAD. Head spherical or nearly so. Eyes touching. Fronto­orbital plate yellow, grey pruinose, one row of hairs laterally (closed to frontal setae). Frontal vitta broadly triangle, black or brown. Frontal vitta at base of antennae 2.2 times as wide as frontoorbital plate anteriorly. Ocellar setae present but fine, or strong; outer vertical setae present; inner vertical setae absent. Face black with grey pruinosity. Parafacial black with grey pruinosity, bare, 0.7­0.8 times as wide as first flagellomere. Lower margin of face slightly projecting; brown and black with grey pruinosity. Vibrissa well differentiated; intervibrissal distance 2.5 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/5. Gena brown and black with grey pruinosity; hairs black; height 0.08 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 0.3. Length of oral opening 1.3 times its width. Occiput flattened, white pruinose; hairs black. Palpus yellow and brown.

THORAX. Mesoscutum thinly pruinose (greyish brown), without longitudinal vitta, with fine black hairs. 0+1 acrostichal seta; 1+1(2) dorsocentral setae; 1­2 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. Anepimeral setae strongly; black; 2­3 katepisternal setae; 7­9 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 brown. Wing hyaline, narrow; petiole of apical cell 0.32­0.35 times as long as preceding section of R 4+5; M meeting R almost at right angle. Halter brown. LEGS. Fore femur brown and black; hairs black. Fore tibia brown and black, without bristles, apically with 1 p and 1 d. Fore tarus black. Fore claws black; 0.9­1.0 time as long as fifth tarsomere. Pulvilli brown. Mid femur brown and brown, upper part black; hairs black. Mid tibia brown and black, with 1 ad and 1 v, apically with 1 ad, 0­1 ad, 0­1 a, 1 av, 1 pv, 1 v and 1 d. Hind femur brown and black; hairs black. Hind tibia black, with 4 ad and 3 pd.


ABDOMEN. Abdominal tergites black; pruinosity present, but thin; longitudinal vitta absent. Relative length of abdominal tergites I+II:III:IV: V = 1.3:1:1:1.2; relative width I+II:III:IV: V = 0.5:1:1:0.8. Hair spots indistinct. TERMINALIA. Syncercus broad, posterior margin straight, U­notched posteriorly. Surstylus narrow, straight, longer than cercus. Ejaculatory apodeme small, knob­like. Hypandrium as long as phallapodeme. Pregonite triangular. Postgonite furcate, shorter than pregonite. Epiphallus distinct. Phallus short, almost as short as hypandrium, not haired dorsally. Distiphallus sclerotized, apex pointed and strongly bent into hook­like.

FEMALE. Wing hyaline. Anterior spine­like setae of hind tibia absent. Sternite VII (sheath) longer than sternite VI, pointed apically, slightly bent, apex, lateral flattened, directed dorsally, sternite VII with linear wrinkles ventrally. Ovipositor bent upward.




This specific name is a patronym in honour of Dr. D.M. Wood, for his contribution to the taxonomy of Nearctic Phasia Latreille ( Wood 1987b)   .


Royal British Columbia Museum - Herbarium