Phasia pandellei ( Dupuis, 1957 )

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 136-138

3.5.8 Phasia pandellei ( Dupuis, 1957)

(Figures I­44, II­4.2)

Hyalomyia pandellei Dupuis, 1957: 73 ; 1963: 105.

Halophora pusilla (Meigen) of Pandellé, 1894: 86 (misident).

Alophora (Hyalomyia) pandellei: Draber­Mońko 1965: 94 (redescription).

Phasia (Hyalomyia) pandellei: Herting 1984: 170 (catalog) ­ Ziegler 1994: 176 (review, biology).

DESCRIPTION

Body length: 3­6 mm.

MALE: HEAD. Head spherical or nearly so. Eyes separated by a distance as wide as ocellar triangle. Fronto­orbital plate black, silky grey pruinose. Frontal vitta black with grey pruinosity. Frontal vitta at base of antennae 1.6 times as wide as fronto­orbital plate anteriorly. Ocellar setae present but fine; outer vertical setae present; 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 to black with grey pruinosity. Vibrissa well differentiated; intervibrissal distance 1.6 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/5­1/4. Gena black with grey pruinosity; hairs white; height 0.12 times eye height. Lunule black and shining; sublunular bulla indistinct. Antenna black; first flagellomere 1.1 times as long as pedicel; arista thickened on basal 0.25­0.3. Length of oral opening 1.9 times its width. Occiput flattened, white pruinose; hairs black. Palpus yellow, or brown.

THORAX. Mesoscutum thinly pruinose, without black longitudinal vitta, with fine black hairs. 0+1 acrostichal seta; 0(1)+1 dorsocentral setae; 2 postpronotal setae; presutural supra­alar seta present, but fine; 0­1 postsutural intra­alar seta; 2 notopleural setae; 1 supra­alar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black. Anepimeral setae hair­like, black; 1 katepisternal seta; 5­8 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 brown. Wing hyaline, narrow; petiole of apical cell 0.45 times as long as preceding section of R 4+5; M meeting R 4+5 almost at right angle. Halter brown to black. LEGS. Fore femur black; hairs black. Fore tibia black, without bristles, apically with 1 pv and 1 d. Fore tarus black. Fore claws black; 1.0­1.1 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; hairs black. Mid tibia black, with 1 p and 1 v, apically with 1 av, 1 pv, 1 v and 1 d. Hind femur black; hairs black. Hind tibia black, with 3­4 pd and 3­ 4 ad.

ABDOMEN. Abdominal tergites black; longitudinal vitta distinctly present (ending on tergite IV). Relative length of abdominal tergites I+II:III:IV:V = 1.4:1:1:1.2; relative width I+II:III:IV:V = 0.5:1:1:0.8. Syntergite I+II shiny, not pruinose. Pruinosity of tergites III, IV, and V silvery; hair spots distinct. TERMINALIA. Syncercus deeply U­notched posteriorly, not bent. Surstylus broad, apex slightly arched dorsally, longer than cercus. Ejaculatory apodeme small. Hypandrium slightly longer than phallapodeme. Epiphallus well developed. Pregonite even, with a few saw teeth ventrally. Postgonite long, pointed. Phallus shorter than hypandrium, haired dorsally. Distiphallus broadened, rectangular. Lateroventral process with a row of sclerotized saw teeth.

FEMALE. Wing hyaline. Eyes separated by a distance as wide as single ocellus; not touching. Anterior spine­like setae of hind tibia present. Sternite VII (sheath) longer than sternite VI, flattened laterally, pointed, and slightly bent, apex directed dorsally, smooth ventrally, outer side of posterior half parallel­sided in ventral view. Ovipositor bent upward.

TYPE MATERIAL

Hyalomyia pandellei Dupuis, 1957 . Holotype ♀, FRANCE, Hautes­Pyrénées, Tarbes " ♀ 1012" (MNHN, Paris, examined).

OTHER MATERIAL EXAMINED

AUSTRIA. Feldkirch, Vorarlberg, Moosbrugger (1♀, DEIC). GREECE. Corfu Kalamaki, iv.1984, I.M. White (1♀, BMNH); Corfu, Sidari, 20.iv.1984, I.M. White (1♀, BMNH). ITALY. [no more data], (1♂, BMNH); Bologna, Borgo Capanne, viii.1950, (1♀. CNCI). GERMANY. Weiden /see, 25.vii.1965, [det by Mesnil as Phasia pusilla, 1985 ] (1♂ 2♀, CNCI). SLOVAKIA. mer. Kovacovske­Kopce, 13.v.1964, M. Chvala (1♀, BMNH). SPAIN. Prov. Salamanca, Villar de Ciervo, 30. v. and 10.vi.1989, Tschorsnig (2♂, DEBU). DOUBTFUL LOCALITY. Eyrs, coll. Oldenberg (1♀, DEIC).

HOST

Unknown.

NOTES

The type specimen came from Pandellé's collection, and had been labelled as Alophora pusilla by Pandellé. Phasia pandellei is also found in Hungary, Croatia, Switzerland ( Wallis, Tessin) and Italy (Apennino Bolognese, Campania) ( Herting 1984, Ziegler 1994).