Phasia diversa ( Coquillett, 1897 )

Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), Zootaxa 276 (1), pp. 1-320: 77-80

publication ID 10.11646/zootaxa.276.1.1

publication LSID

persistent identifier

treatment provided by


scientific name

Phasia diversa ( Coquillett, 1897 )


3.4.5 Phasia diversa ( Coquillett, 1897)  

(Figures I­17, II­10.1)

Alophora diversa Coquillett, 1897: 45   .

Alophorella divisa   : error, Johnson 1925: 184.

Euphorantha diversa: Brooks 1945: 667   (redescription).

Alophorella diversa: Sabrosky and Arnaud 1965: 968   (catalog).


Body length: 7­12 mm.

MALE: HEAD. Head spherical or nearly so. Eyes separated by a distance as wide as ocellar triangle. Fronto­orbital plate black with grey pruinosity, 4­5 rows of hairs laterally. Frontal vitta black. Frontal vitta at base of antennae 0.9­1.0 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 brown to black with grey pruinosity, bare, 2.0 times as wide as first flagellomere. Lower margin of face perpendicular, not projecting, brown, grey pruinose. Vibrissa well differentiated; intervibrissal distance 1.1­ 1.2 times distance between vibrissa and eye on same side; facial ridge with bristles on lower than 1/5. Gena black with grey pruinosity; hairs white; height 0.14 times eye height. Lunule black and shining; sublunular bulla indistinct. Antenna black; first flagellomere 1.2­1.3 times as long as pedicel; arista thickened on basal 0.2­0.25. Length of oral opening 2.2­2.3 times its width. Occiput flattened, white pruinose; hairs white or black. Palpus yellow or brown.

THORAX. Mesoscutum thinly pruinose, without longitudinal vitta, with fine black hairs. 0+1 acrostichal seta; 0+1 dorsocentral seta; 1­2 postpronotal setae; presutural supraalar seta present, strong; 0 postsutural intra­alar setae; 2 notopleural setae; 1 supra­alar seta; 2 postalar setae. Pleuron thinly grey pruinose; hairs black. Anepimeral setae medium size, black; 1(2) katepisternal setae; 6­8 meral setae. Scutellum black with grey pruinosity, with two pairs of marginal setae; apical setae present and distinct. Subscutellum not very prominent. WING. Lower calypter white with light brown infuscation. Wing base without scale­like setae. Tegula black. Basicosta yellow. Wing pictured; petiole of apical cell 0.30­ 0.38 times as long as preceding section of R 4+5; M meeting R 4+5 almost at right angle. Halter yellow. LEGS. Fore femur black; hairs black. Fore tibia black, with 1 p, apically with 1 p and 1 d. Fore tarus black. Fore claws black; 1.1­1.2 times as long as fifth tarsomere. Pulvilli black. Mid femur black; hairs black. Mid tibia black, with 1 ad, 2 p and 1 v, apically with 1 ad, 1 p, 1 v and 1 d. Hind femur black; hairs black; scale­like setae absent. Hind tibia black, with a row of ad.

ABDOMEN. Abdominal tergites black; pruinosity present, but thin (grey); longitudinal vitta distinctly present. Relative length of abdominal tergites I+II:III:IV: V = 1.3:1:1:1.2; relative width I+II:III:IV: V = 1.2:1.8:1.7:1.5. Syntergite I+II pruinose. Tergite III shiny. Pruinosity of tergites IV, V absent or present (thin grey pruinosity only); hair spots indistinct. TERMINALIA. Syncercus with a small notch posteriorly; apex with a hook ventrally. Surstylus slender, slightly broadened and arched dorsally on apical half; longer than cercus. Ejaculatory apodeme knob­like, with a small hook apically. Phallapodeme not longer than hypandrial apodeme. Epiphallus well developed. Postgonite broad apically, longer than pregonite, with sparse hairs ventrally. Pregonite short, with 2­3 teeth. Phallus slender, 1.4­1.5 times as long as hypandrium, without hairs dorsally. Dorsolateral process well sclerotized; ventrolateral process broad, partly sclerotized.

FEMALE. Body size sometimes smaller than male. Wing hyaline. Eyes separated by a distance as wide as single ocellus, or almost touching. Anterior spine­like setae of hind tibia absent. Sternite VII (sheath) longer than sternite VI, boat­like, broad apically, not bent; apex straight, sternite VII with linear wrinkles ventrally. Ovipositor bent upward.


Alophora diversa Coquillett, 1897   . Holotype ♂, [ USA], Massachusetts, Beverly, 11.x.1870, E. Burgess, (USNM, type no. 3521, examined).


Canada. Nova Scotia: Cape Breton Highlands National Park, French Lake Bog, 15.vii.1983, G. and D.M. Wood (1♂, CNCI). Ontario: Apple Hill, 4.x. 1933, G.H. Harmmond (1♂ 1♀, CNCI); Bells Corners, 18.ix.1949, G.S. Walley (1♂, CNCI); Cambridge, 12.ix.1993, C.D. Jones (1♀, DEBU); Carleton Co., Richmond (5­8 mi S), 19­25.ix.1978 and 26­30.ix.1983, G.and M. Wood and Cooper and Wood (3♂ 6♀, CNCI); Carleton Co., Dunrobin, 26.ix.1986, D.M. Wood (25♂ 5♀, CNCI); Guelph, 17.ix.1992, D.G. Bennett (1♂, DEBU); Jordan, 20.ix.1919, W.A. Ross (2♂, CNCI); Lanark Co., N.Burgess Twp., 28.ix.1969, D.M. Wood (1♂, CNCI); Leeds Co., Chaffeys Lock, 3.ix.1971, P. Ward (1♂, CNCI); Metcalfe, ix.1986 and 13.ix.1993, B.E. Cooper (2♂ 2♀, CNCI). Metcalfe, 1.ix.­ 20.x. 1982 ­86, B.E. Cooper (19♂ 8♀, CNCI); Orangeville, 29.viii.1993, S.A. Marshall (1♂, DEBU); Ottawa, 26.viii.1894, 24.ix.1961 and 3.x.1964, Hull and J.R. Vockeroth (1♂ 2♀, USNM, CNCI); Stittsville, 21.ix.1963, W.R.M. Mason (2♂, CNCI). Quebec: Abbotsford, 1934 and 20.ix.1935, G.E. Shewell and C.E. Boargault (3♂ 3♀, CNCI); Aylmer, 5.x.1924 and 28.ix.1924, C.H. Curran (2♀, CNCI); Eardley (4mi N), 25.viii.1971, D.M. Wood (1♂, CNCI); Hull, 25.ix.1923, C.H. Curran (1♂, CNCI); La Trappe, 19.ix.1935, J. Ouellet (2♀, AMNH); Old Chelsea, 8.x.1962, J.R. Vockeroth (1♂, CNCI); Wakefield, 1.x.1960, J.R. Vockeroth (1♂, CNCI); [?], 30.ix.1909, W.R. Thompson (1♂, CNCI). USA. Delaware: Water Gap, A.T. Solsson (2♂, AMNH). District of Columbia: Georgetown, 4.x.and 14.x.1926, N.K. Bigelow and J.M. Aldrich (1♂ 2♀, CNCI, USNM). Georgia: Stone Mt., 17.xi.1929, P.W. Fattig (1♂, USNM); "Experiment, 24.iii.1939, at flower, lot no.40­ 24122" (1♂, USNM). Indiana: Lafayett, 9.x.1918, J.M. Aldrich (1♀, USNM). Kentucky: Bell Co., 28.v.1965, J.G. Chillcott (1♀, CNCI). Maryland: Grove Hill, 28­31.x.1916, Flowers of Aster, C.H.T. Townsend (8♂ 3♀, USNM, CNCI, BMNH); "Clcn Echoi, 22.x.1926, N.K. Bigelow" (8♂, CNCI, AMNH). Maine: Orono, 5.x.1913, H.M. Parshley (1♀, CASC). Massachusetts: Beverly, (1♂, USNM); [no more data], 26.v.1910 (1♂, CNCI). Mississippi: Agr. Col., 6­8.iv.1922, H.W. Allen and F.M. Hull (12♂ 1♀, USNM, CNCI, TAMU); A. and M. Col., 30.iii.1925, H.W. Allen (1♀, USNM); Lafayette Co., vvi.1960 and vi.1934, F.M. Hull (7♂ 1♀, CNCI); Oxford, vi.1941, v.1943 and 1­15.ix.1947, F.M. Hull (5♂ 2♀, AMNH, CNCI); [?], 21.26. iv.1924, H.W. Allen (2♂, USNM) (note: 1♂, on flower of Chaerophylnorn tainturieri). New Jersey: Taunton, 1­3.x.1926, H.C. Hallock and H.W. Allen (6♂, USNM, CNUC). New York: Danby, 24.ix.1964, L.L. Pechuman (1♀, CUIC); Ithaca, 23.ix.1951, J.C. Martin (1♀, CNCI); Nyack, 2.vii.1883 (1♂, AMNH); Oswego, 4.x.1895 (1♂, USNM); Pine Island, 20.ix.1914 (1♂, AMNH). North Carolina: Jackson Co., 2,900ft, 17.iv.1964, (1♂ 3♀, CNCI); Waynesville (4 mi W), 19.iv.1964, (1♂, CNCI); Ohio: ix.1951, reared from Euschistus servus euschistoides (Voll.)   , by G. Kelly (1♂, USNM). Pennsylvania: Beaver Co., Rt. 168, 6mi SW of Darlington, 17.ix.1972, M.A. Carter(2♂, CASC); Conewago, 9.x.1909, (1♂ 2♀, USNM); Harrisburg, 21.ix.1913 (1♂, USNM); Hazleton, 28.ix.1909, Dietz (1♂, USNM); Lehigh Gap, 4.x.1903 (1♀, USNM). Texas: Blanco Co. (NW), Davis Ranch, 23.iv. 1959 J.F. McAlpine (1♂, CNCI); College Station, 4­5.xi.1921, 21.x.1917, 3.xi.1930 and 29.x.1933, H.J. Reinhard (9♂ 18♀, CNUC, USNM, TAMU, CNCI); Fredericksburg, 18.iv.1959, J.F. McAlpine (1♂, CNCI). Vermont: Stowe, 17.ix.1933, E.L. Bell (1♀, AMNH). Virginia: 4 miles Run, 11.x.1930, Bridwell (1♂ 1♀, USNM); Great Falls, 26.ix.1915, 23.x.1920 and 18.x.1938, J.M. Aldrich and C.T. Greene (1♂ 2♀, USNM). Washington: Puyallup, 27.ix.1937 and (?), W.W. Baker at al. (2♂, USNM). Wisconsin, Madison, 24.ix.1931, (1♂, AMNH). Misc locality: " (1♂, USNM)".


Euschistus servus euschistoides (Vollenhoven)   ( Hemiptera   , Pentatomidae   ): ­ USA (OH) (new record).


Royal British Columbia Museum - Herbarium














Phasia diversa ( Coquillett, 1897 )

Sun, Xuekui & Marshall, Stephen A. 2003

Alophorella diversa:

Sabrosky, C. W. & P. H. Arnaud, Jr. 1965: 968

Euphorantha diversa:

Brooks, A. R. 1945: 667

Alophorella divisa

Johnson, C. W. 1925: 184

Alophora diversa

Coquillett, D. W. 1897: 45