Systematics of Phasia Latreille (Diptera: Tachinidae) Author Sun, Xuekui Author Marshall, Stephen A. text Zootaxa 2003 2003-08-29 276 1 1 320 https://biotaxa.org/Zootaxa/article/view/zootaxa.276.1.1 journal article 10.11646/zootaxa.276.1.1 1175­5334 5019510 4177F6E7-B276-438E-8E49-EE5ECD84D351 3.2.10 Phasia nigromaculata Sun , sp. nov. (Figure I­34.5­8, II­1.1) TYPE MATERIAL Holotype ♀ , [ SOUTH AFRICA ]. W Cape , Ceres District, N Gydo Pass, Clanwillam Rd., 1.x.1959 , Stuckenberg (NMSA); paratypes , 1♀ , SOUTH AFRICA , Cape , Bredasdorp National Res., 24.ix.1979 , J. Londt (NMSA); 1♀ , SOUTH AFRICA , Cape , Silver Sands, 2km W Betty's Bay, 23.ix.1979 , J. Londt (NMSA); 1♀ , [ SOUTH AFRICA ], W Cape , Cape Point Nature Res., Cape Peninsula, 25.ix.1959 , B. and P. Stuckenberg (NMSA). DESCRIPTION Body length: 2.5 mm . FEMALE: HEAD. Head spherical or nearly so. Eyes touching. Fronto­orbital plate black with grey pruinosity. Frontal vitta reddish brown, divergent. Frontal vitta at base of antennae 2 times as wide as fronto­orbital plate anteriorly. Ocellar setae strong; outer vertical setae present; inner vertical setae absent. Face black with grey pruinosity. Parafacial black with grey pruinosity; bare; 0.6 times as wide as first flagellomere. Lower margin of face strongly projecting, brown, grey pruinose. Vibrissa well differentiated; intervibrissal distance 1.8 times distance between vibrissa and eye on same side; facial ridge with bristles on lower 1/6. Gena black with grey pruinosity; hairs white; height 0.1 times eye height. Lunule black and shining. Antenna black; first flagellomere 1.2 times as long as pedicel; arista thickened on basal 0.4. Length of oral opening 2.8 times its width. Occiput flattened, white pruinose; hairs white. Palpus brown. THORAX . Mesoscutum very thinly pruinose, with fine black hairs. 0+1 acrostichal seta; 0+1 dorsocentral seta; 2 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, and without scale­like setae. Anepimeral setae medium size; black. 2 katepisternal setae. 4­6 meral setae. Scutellum black; shining, without pruinosity, with two pairs of marginal setae; apical setae present and distinct, arranged in one row. Subscutellum very prominent. WING . Lower calypter hyaline white. Wing base without scale­like setae. Tegula black. Basicosta black. 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. LEGS . Fore femur black; hairs black. Fore tibia black, with 1 p , apically with 1 av , 1 pv and 1 d . Fore tarus black. Fore claws brown, apex black; 0.9 times as long as fifth tarsomere. Pulvilli brown. Mid femur black; hairs black. Mid tibia black, with 1 ad , 1 p and 1 v , apically with 1 av , 1 pv , 1 v and 1 d . Hind femur black; hairs black; scalelike setae absent. Hind tibia black, with one row of ad and pd . Anterior spine­like setae of hind tibia present. ABDOMEN . Abdominal tergites black; pruinosity silvery; longitudinal vitta absent; syntergite I+II and median part of tergite III form a big black spot, tergites IV, V grey pruinose. Anterior spine­like setae of hind tibia present. Relative length of abdominal tergites I+II:III:IV:V = 1.1:1:1:1; relative width I+II:III:IV:V = 0.6:1:1:0.8. Hair spots indistinct. TERMINALIA . Sternite VII (sheath) longer than sternite VI; apex broadened; not bent, straight; sternite VII with linear wrinkles ventrally on apical half. Ovipositor bent upward. MALE : Unknown. HOST Unknown.