Phasia malayana Sun, 2003

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 176-177

3.6.10 Phasia malayana Sun , sp. nov.

(Figures I­27.5­9, II­8.1)

TYPE MATERIAL

Holotype ♂, MALAYSIA, Serdang, 27.i.1931, N.C.E. Miller (BMNH).

DESCRIPTION

Body length: 11.5 mm.

MALE: HEAD. Head compressed anteriorly. Eyes separated by a distance as wide as single ocellus. Fronto­orbital plate black with grey pruinosity, 2­3 rows of hairs laterally. Frontal vitta brown, triangular. Frontal vitta at base of antennae 2.2 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, bare, 1.8 times as wide as first flagellomere. Lower margin of face perpendicular, not projecting, brown, grey pruinose. Vibrissa not differentiated; intervibrissal distance 1.1 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/3. Gena brown, grey pruinose; hairs white; height 0.15 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 0.25. Length of oral opening 1.6 times its width. Occiput flattened, white pruinose; hairs white, or black. Palpus brown.

THORAX. Mesoscutum thinly pruinose, with fine black hairs. 0+1 acrostichal seta; 0+1 dorsocentral seta; 1 postpronotal seta; presutural supra­alar seta present, strong; 1 postsutural intra­alar seta; 2 notopleural setae; 1 supra­alar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black, white and yellow. Anepimeral setae hair­like, black; 2 katepisternal setae; 7­8 meral setae. Scutellum base black with yellow tip, grey pruinose, 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 pictured, brown area along with vein; petiole of apical cell 0.26 times as long as preceding section of R 4+5; M meeting R 4+5 almost at right angle. Halter brown. LEGS. Fore femur black; ventrally and laterally with whitish yellow hairs, dorsal surface with black hairs. Fore tibia black, with 2 d, apically with 1 pv and 1 d. Fore tarus black. Fore claws black; 1.2 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; ventrally and laterally with whitish yellow hairs, dorsal surfaces with black hairs. Mid tibia black, with 1 ad, apically with 1 av, 1 pv, 1 v and 1 d. Hind femur black; hairs black. Hind tibia black, slightly arched, with one row of ad and pd.

ABDOMEN. Abdominal tergites black, with yellow spot or area; pruinosity yellow; longitudinal vitta distinctly present. Relative length of abdominal tergites I+II:III:IV:V = 1.2:1:1:1; relative width I+II:III:IV:V = 0.5:1:1:0.8. Hair spots of tergites IV, V indistinct.

TERMINALIA. Syncercus slender, with a small semicircular notch posteriorly; apex bent downward. Surstylus arched dorsally, longer than cercus. Ejaculatory apodeme small, slender. Pregonite long, pointed. Postgonite pointed, as long as pregonite. Hypandrium broad, slightly shorter than phallapodeme. Phallus short, without fine hairs. Distiphallus node­like, membranous, pointed.

FEMALE. Unknown.

HOST

Unknown.

ETYMOLOGY

This specific name refers to the country from which the type was collected, Malaysia.