Phasia robusta ( Brooks, 1945 )

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320 : 149-152

3.5.12 Phasia robusta ( Brooks, 1945)

(Figures I­50, II­5.2)

Hyalomyiopsis robusta Brooks, 1945: 678 .

Hyalomya robusta: Sabrosky and Arnaud 1965: 969 (catalog).

DESCRIPTION

Body length: 7­10 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, silky pruinose. Frontal vitta at base of antennae 1.0­1.1 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 black with grey pruinosity, bare, 1.1 times as wide as first flagellomere. Lower margin of face slightly projecting, visible in profile, orange yellow, grey pruinose. Vibrissa well differentiated; intervibrissal distance 1­1.1 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 white; height 0.12­ 0.15 times eye height. Lunule black and shining; sublunular bulla indistinct. Antenna black; first flagellomere 1.1­1.2 times as long as pedicel; arista thickened on basal 0.2. Length of oral opening 1.7­1.8 times its width. Occiput slightly convex; white pruinose; hairs black. Palpus brown to black.

THORAX. Mesoscutum thinly pruinose, without black longitudinal vitta, with fine black hairs. 0+0(1) acrostichal seta; 0+1 dorsocentral seta; 1­2 postpronotal setae; presutural supra­alar seta present, strong; 0­1 postsutural intra­alar seta; 2 notopleural setae; 1 supra­alar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black. Anepimeral setae medium size, 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 black. Wing hyaline; petiole of apical cell 0.3­0.35 times as long as preceding section of R 4+5; M meeting R 4+5 at acute angle. Halter brown. LEGS. Fore femur slightly swollen, black; hairs black. Fore tibia black, without bristles, apically with 1 d. Fore tarus black. Fore claws brown to black; 1.0­1.1 times as long as fifth tarsomere. Pulvilli brown to black. Mid femur black; hairs black. Mid tibia black, with 1 ad, 1 pv, 2 p and 1 v, apically with 1 ad, 1 a, 1 av, 1 pv, 1 p, 1 v and 1 d. Hind femur black; hairs black. Hind tibia black; with one row of strong ad setae and 1­3 v.

ABDOMEN. Abdominal tergites black; pruinosity silvery; longitudinal vitta distinctly present (but interrupted between tergites). Relative length of abdominal tergites I+II:III:IV:V = 1.2:1:1:1.1; relative width I+II:III:IV:V = 0.5:1.1:1:0.7. Syntergite I+II shiny, not pruinose. Pruinosity of tergites III, IV evenly; hair spots distinct. TERMINALIA. Syncercus V­notched posteriorly, apex strongly bent ventrally into pointed hook­like. Surstylus broad, slightly arched dorsally, longer than cercus. Ejaculatory apodeme small. Hypandrium broad, strongly wavy ventrally, shorter than phallapodeme. Epiphallus well developed. Pregonite triangular. Postgonite longer than pregonite, pointed, bent ventrally. Phallus broad, and long, 1.4­1.5 times as long as hypandrium, densely haired on basal 1/2. Distiphallus partly sclerotized, apex bent.

FEMALE. Wing hyaline. Eyes separated by a distance as wide as single ocellus; not touching. Anterior spine­like setae of hind tibia well developed (2­3 rows). Sternite VII (sheath) as long as sternite V, tapered, beak­like apically in profile, pointed apically, not bent, apex straight, sternite VII with linear wrinkles ventrally. Ovipositor bent upward.

TYPE MATERIAL

Hyalomyiopsis robusta Brooks, 1945 . Holotype ♂, [ USA], Oregon, Grant Co., Summit Prairio, 5,500ft. 7.viii.1941 (CNCI, examined); allotype ♀, same holotype (CNCI, examined); paratypes: 2♂ 1♀, same as holotype (CNCI, examined); 2♂, [ USA], Colorado, Lump Gulch, near Gilpin, 8.viii.1934, H.G. Rodeck (CNCI, examined); 2♂ 1♀, [ USA], Colorado, Boulder, 5.vi.1932, M.T. James (CNCI, examined); 1♂, [ USA], Colorado, 25.viii.1931, J.R. Reinhard (CNCI, examined); 1♂, [ USA], [California], Alameda Co., Berkeley, 27.vii.1910, J.C. Bridwell (USNM, examined); 1♂, [ USA], California, San Diego Co., (USNM, examined); 1♀, [ USA], Colorado, (?), No. 1601, (USNM, examined); 1♂ 2♀, [ USA], Idaho, Moscow, 4­5.iv.1908, 26.viii.1912, J.M. Aldrich (USNM, examined); 1♀, [ USA], Utah, Salt Lake, 20.x.1913, L.P. Rockwood (USNM, examined). 1♂, [ USA], Utah, Logan, 8.vi.1931 (CNCI, examined).

OTHER MATERIAL EXAMINED

CANADA. Alberta: Onefour, 3.vi.1956, E.E. Sterns (1♀, CNCI). USA. Arizona: Bill Williams Fork, August, F.H. Snow (1♀, BMNH). California: Humboldt Co., Beatrice, 30.vi.1940, B.P. Bliven (1♀, CASC); Monterey Co., Hastings Reserve, 26.vi.1975, R.B. Root, host: Lygaeus kalmii adult, (1♀, CUIC). Colorado: Ameron Pass, 7.vii.1931, (1♀, AMNH); Boulder, 5,000ft, 1­16.vi.1961, B.H. Poole (8♀ 1♂, CNCI); Buena Vista, 7,800ft, 22­23.vi.1961, C.H. Mann (3♀, CNCI); Clear Creek Co., Chicago Cr., 8,800ft, 2.viii.1961, S.M. Clark (1♀, CNCI); Estes Park, 7,500ft, 14.viii.1961, B.H. Poole (1♂, CNCI); Crowleg, 1.ix.1932, M.T. James (1♂ 2♀, CNCI); Denvet, vii (1♀, BMNH); El Paso Co., 19.viii.1959, N. Marston (1♀, KSUC); Fort Garland, Mt. Home Lake, 25.vii.1969, L.L. Pechuman (1♀, CUIC), Larimer Co., 13.viii.1959, N. Marston (2♂, KSUC); Golden, 7,400ft, 31.vii.1961, W.R.M. Mason (1♀, CNCI); Golden, 20.iii., Stoner (1♀, USNM); Larimer Co., Estes Park, 13.vii. 1934,20.vii­ 14.viii.1961, 8.viii.1974, A.L. Melander, C.H. Mann, B.H. Poole, M and T.M. Favreau (2♂ 2♀, USNM, AMNH); Mt. Evans, 12,000ft, 7.viii.1961, S.M. Clark (2♀, CNCI); Mt. Evans, Doolittle Ranch, 9,800ft, 3.viii.1961, J.G. Chilcott (1♂ 3♀, CNCI); Nederland, Science Lodge, 9,500ft, 6.vii.1961. B.H. Poole (2♂ 6♀, CNCI); Pingree Park, 15­17.viii.1934, 2­7.vi.1939, C.W. Sabrosky etc. (4♂ 4♀, USNM); Poncha Springs, (7mi N.), 7,500ft, 22.vi.1961, W.R.M. Mason (2♀, CNCI); Prowers Co., 28.viii.1959 and 7.vi.1962, N. Marston (1♂ 5♀, KSUC); Prowers Co., 3 mi W. Hartman, 6.vii.1961, N. Marston (1♂ 1♀, KSUC); Ward, 10.vii.1937, M.T. James (1♀, CNCI); Yuma Co., 4mi N.E. Idalia, 10.viii.1964, J.G. and B.C. Bozen (1♀, AMNH). Kansas: Douglas Co., Lawrence, 1.xi.1976, S.W. Hamilton (1♀, USNM); Stevens Co., 7.vi.1940, R. Fritz (1♀, KSUC). Montana: Yellowstone Co., Pomppeys Pillar, 6 Mt. N.E., 9.viii.1962, J.G. and B.L. Rozen (1♂, AMNH). Nebraska: Snake Falls, 8­5­1931, Reinhard (1♂, CNCI). New Mexico: Las Cruces, 6.3. Coll. Townsend (1♀, BMNH); Chaves Co., Kenna (13 mi SW), 13.v.1976, N. Jorgensen (1♀, CNCI); Lincoln Co., Encinoso (7 mi E), 7.vii.1988, N. Jorgensen (1♂, CNCI); Roosevelt Co., Portales (5 mi N, 8 mi NE and 8 mi W), 10.v.1976, 17.v.1972 20­28.x.1987, 6­ 13.iv.­ 15.vi.1988, N. Jorgensen (28♂ 19♀, CNCI); San Miguel Co., 5 mi W Sapello, 27.v.1976, N. Jorgensen (1♂, CNCI); Rio Bonito, T.T. Townsend (4♀, BMNH); Roosevelt Co., Portales, 28­30.x.1987, N. Jorgensen (1♂ 1♀, CNCI). North Dakota: East, 1941, (1♀, CNCI). Oregon: Corvallis, 15.xi.1941, H.J. Ostlind, host: Lygaeus kalmii (1♀, USNM). Texas: Armstrong Co., Palo Dura Canyon, 22mi S Claude, 4.iv.1979, R.J. McGinley (1♀, USNM); Blanco Co., (N.W.), Davis Ranon, 23.iv.1959, J.F. McAlpine (1♂, CNCI); Big Bend N.P., Oak Spring, 4,500ft, 1.v.1959, J.F. McAlpine (1♂, CNCI); College Station, 19.x.1917, H.J. Reinhard (1♂, CASC); Fredericksburg, 18.iv.1959, J.F. McAlpine (2♂, CNCI).

HOST

Lygaeus kalmii Stal. ( Hemiptera , Lygaeidae ): ­ USA (OR, CA, KS)(new record).