Phasia clavigralla Sun, 2003

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 169-170

3.6.6 Phasia clavigralla Sun , sp. nov.

(Figures I­15.1­4, II­7.4)

TYPE MATERIAL

Holotype ♀, TANZANIA, Kilosa district, Ilouga ARI, 6.vi.1979, host: Clavigralla elongata Signoret (Coaeidae), P.C. Matteson (BMNH).

DESCRIPTION

Body length: 6.5 mm.

FEMALE: HEAD. Head spherical or nearly so. Eyes touching. Fronto­orbital plate black with grey pruinosity, one row of hairs laterally. Frontal vitta brown, divergent. Frontal vitta at base of antennae 1.4 times as wide as fronto­orbital plate anteriorly. Ocellar setae present but fine; outer vertical setae absent; inner vertical setae absent. Face black with grey pruinosity. Parafacial black with grey pruinosity, bare, 0.9 times as wide as first flagellomere. Lower margin of face projecting, visible in profile, brown, grey pruinose. Intervibrissal distance 1.2 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/6. Gena brown and black with grey pruinosity; hairs white; height 0.1 times eye height. Lunule normal; sublunular bulla indistinct. Antenna black; first flagellomere 1.2 times as long as pedicel; arista thickened on basal 0.25. Length of oral opening 1.4 times its width. Occiput flattened, white pruinose; hairs white. Palpus brown.

THORAX. Mesoscutum thinly grey pruinose, even, without black longitudinal vitta, with fine black hairs. 0+0 Acrostichal seta; 0+1 dorsocentral seta; 1 postpronotal seta; presutural supra­alar seta present, strong; 0 postsutural intra­alar seta; 2 notopleural setae; 1 supra­alar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black and brown. Anepimeral setae medium size, black; 2 katepisternal setae; 7­8 meral setae. Scutellum black; thinly 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 hyaline white. Wing base without scale­like setae. Tegula black. Basicosta brown. Wing hyaline, narrow; petiole of apical cell 0.24 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; hairs black. Fore tibia black, without bristles, apically with 1 d. Fore tarus black. Fore claws black; 0.9 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; hairs black. Mid tibia black, with 1 ad and 1 v, apically with 1 ad, 1 av, 1 pv, 1 v and 1 d. Hind femur black; hairs black. Hind tibia black, with one row of ad and pd. Anterior spine­like setae of hind tibia present.

ABDOMEN. Abdominal tergites black; pruinosity present, but thin; longitudinal vitta absent. Relative length of abdominal tergites I+II:III:IV:V = 1.4:1:1:1; relative width I+II:III:IV:V = 0.45:1:1:0.7. Syntergite I+II shiny, not pruinose. Tergite III shiny. Pruinosity of tergite IV absent; hair spots indistinct. Pruinosity of tergite V silvery. Sternite VII (sheath) longer than sternite VI, stick­like, with a knob apically, not bent, apex straight, smooth ventrally. Ovipositor bent upward.

MALE: Unknown.

HOST

Clavigralla elongata Signoret ( Hemiptera , Coreidae ): ­ Tanzania (new record).

ETYMOLOGY

This specific name refers to the generic name of the host, Clavigralla.

NOTES

This specimen is labelled as Allophora nasalis (Bezzi) by K.M. Harris.