Anthomyza dichroa Roháćek & Barber 2016, sp. nov.

Anthomyza dichroa sp. nov. (Figs 1, 382, 401, 402, 404–418, 438) Type material. HOLOTYPE: ♂, “ONT: Burlington, edge Tuck Ck, 20.vii.1997, KNBarber, sweeps/pooter Bromus inermis 43°21.2'N 79°46.6'W ” and “ HOLOTYPUS ♂ Anthomyza dichroa sp. n., J. Roháček & K. N. Barber det. 2013” (red). The specimen is in perfect condition, with highly visible, partly exposed genitalia (see Fig. 382) (CNCI, intact). PARATYPES: CANADA: MANITOBA: Brandon, 18.vii.1958, 1 ♂, R. B. Madge leg., 1 ♀, R. L. Hurley leg.; Ninette, 15.vii.1958, 1 ♀, N. B. Chillcott leg.; 5 mi SW Shilo, at margin of grain neld, 22.vii.1958, 1 ♀, J. G. Chillcott leg.; 5 mi SW Shilo, noodplain community near tamarack bog, 22.vii.1958, 1 ♂ 1 ♀ (1 ♀ genit. prep.), R. L. Hurley leg., 13.viii.1958, 1 ♂ (genit. prep.), J. G. Chillcott leg.; ~ 6 km SW Shilo, 49°45.19'N 99°41.28'W, edge of wet area, 10.vii.2011, sweeps, grasses and sedges, 1 ♂ 1 ♀, sweeps, incl. Equi. ssuviatile, Carex, Calamagrostis, Impatiens, 1 ♂ 1 ♀, K. N. Barber leg. (all CNCI); 5 km N Gardenton, Tallgrass Prairie Reserve, 49°10.71'N 96°40.75'W, sweep prairie at roadside, 6.vii.2000, 1 ♀ (LEMQ 0040105); Spruce Woods Prov. Pk., Marsh Lake, sweeping path in deciduous forest, 8.vii.1992, 1 ♀ (LEMQ 0040103), both T. A. Wheeler leg; Winnipeg Beach, [-]. vi.1954, 1 ♂, H. D. Stalker leg. (AMNH). NOVA SCOTIA: CBH [Cape Breton Highlands] Nat. Pk., Pleasant Bay, PG684871, wet hardwood forest, 10.vii.1984, 2 ♀♀, H. J. Teskey leg. (CNCI); Inverness, 6.viii.1970, 1 ♀, C. Sabrosky leg. (USNM); Kentville, 6.viii.1958, 1 ♀; Lockeport, 30.vii.1958, 1 ♀, 11.viii.1958, 1 ♂; Springneld, 2.viii.1958, 1 ♂, 6.viii.1958, 1 ♂, all J. R. Vockeroth leg. (all CNCI). ONTARIO: Batchawana P. Pk., 46°56.67'N 84°33.30'W, sweeps, mostly Carex spp. in wet trench under mixed canopy, 19.vii.2014, 1 ♂ 1 ♀, K. N. Barber leg. (DEBU 01503964, -65); Bell’s Corners, 7.vii.1952, 1 ♂, J. F. McAlpine leg. (CNCI); Belleville, 22.vi.1971, 1 ♂, C. D. Rollo leg. (DEBU, genit. prep.); ~ 1 km NW Bewdley, Jct. Hwy 28 & Rice Lake Rd., 44°05.92'N 78°20.18'W, sweeps, mostly creekside Carex, 7.vii.2005, 1 ♀, K. N. Barber leg.; Blackburn, 12.vii.1954, 2 ♀♀, W. R. M. Mason leg. (all CNCI); Bruce Co., Miller Lake, 21.vii.1996, 1 ♀, S. A. Marshall leg. (DEBU); Bruce Co., Scone, North Saugeen River, riparian sweep, 17.vii.2004, 1 ♂ 1 ♀, M. Buck leg. (DEBU 00298402, -24); Bruce Peninsula N. P., bank of Crane River nr. Hwy 6, 45°08.9'N 81°28.1'W, sweeps, grasses / sedges, 31.vii.1997, 3 ♂♂, S. A. Marshall leg., sweeps/pooter, Calamagrostis & Carex, 31.vii.1997, 1 ♂, K. N. Barber leg. (DEBU); Bruce Peninsula N. P., Dorcas Bay Rd. at Willow Creek, 45°09.4'N 81°34.4'W, sweeps, mostly creekside graminoids, 3.vii.1999, 2 ♂♂ 1 ♀; Bruce Peninsula N. P., Emmett Lake, 45°13.1'N 81°29.0'W, sweeps, graminoids, wet area under Acer, 2.vii.1999, 6 ♂♂ 3 ♀♀; same locality but 45°13.5'N 81°28.2'W, sweeps, mostly graminoids, open area under Acer / Quercus, 2.vii.1999, 6 ♂♂ 3 ♀♀; Bruce Peninsula N. P., Singing Sands, 45°11.6'N 81°34.4'W, sweeps, grasses along dry ditch, 4.vii.1998, 1 ♂; same locality but 45°11.6'N 81°34.7'W, sweeps, Agropyron / Calamagrostis, 5.vii.1998, 1 ♂ 1 ♀, all K. N. Barber leg. (all DEBU); Burlington, edge Tuck Ck, 43°21.2'N 79°46.6'W, sweeps/pooter, Bromus inermis, 15.vii.1997, 2 ♀♀, 18.vii.1997, 4 ♂♂ 10 ♀♀, 20.vii.1997, 10 ♂♂ 7 ♀♀, sweeps, mowed long grasses, 1.viii.2003, 2 ♀♀; Burlington, Royal Botanical Gdn., 43°17.5'N 79°52.4'W, sweeps, trailside Poa, Agrostis, Phleum, Festuca, Juncus, 16.vii.1997, 2 ♀♀, all K. N. Barber leg. (all CNCI); same locality but 43°17.8'N 79°52.6'W, sweeps, trailside vegetation in mixed hardwood, 14.vii.2002, 3 ♂♂ 9 ♀♀ (CNCI), 15.vii.2002, 7 ♂♂ 14 ♀♀ (CNCI 6 ♂♂ 13 ♀♀, SMOC 1 ♂ 1 ♀), 16.vii.2002, 9 ♂♂ 15 ♀♀ (CNCI), trailside sweeps, mostly Carex, Fragaria, Solidago, 18.vii.2002, 10 ♂♂ 11 ♀♀; same locality but 43°17.79'N 79°52.61'W, trailside sweeps, mostly Carex, Fragaria, Solidago, 27.vii.2003, 12 ♂♂ 17 ♀♀ (1 ♀ genit. prep.) (all CNCI), all K. N. Barber leg.; Dubreuilville, 48°21.09'N 84°33.90'W, sweeping undergrowth Pinus / Populus forest, with Clintonia, Vaccinium, ferns, graminoids, 10.vii.2010, 1 ♂, J. Roháček leg. (SMOC, genit. prep.); ~ 3.8 km ENE Dugwal, 48°35.33'N 80°57.90'W, sweeps, wet ditch, Carex utriculata, Equisetum ssuviatile, Scirpus, 13.vii.2013, 1 ♂; ~ 55 km NNW Elliot Lake, s. of Rocky Island Lake, 46°49.32'N 82°59.54'W, sweeps, Scirpus, grasses, Equisetum, ferns, 3.vii.2010, 2 ♂♂ 1 ♀, all K. N. Barber leg. (all CNCI); same locality but 455 m, sweeping vegetation with predominant grasses, 3.vii.2010, 10 ♂♂ 10 ♀♀, J. Roháček leg. (SMOC, 1 ♀ genit. prep.); ~ 63 km NNW Elliot Lake, s. of Rocky Island Lake, 46°49.80'N 83°09.08'W, sweeps, streamside graminoids, 4.vii.2010, 1 ♀, K. N. Barber leg. (CNCI); same locality but 425 m, sweeping streamside graminoids, 4.vii.2010, 1 ♀ (genit. prep.); ~ 61 km NNW Elliot Lake, Three Lakes, 46°49.94'N 83°06.31'W, 425 m, sweeping grasses [mostly Glyceria striata] near lakeshore, 3.vii.2010, 7 ♂♂ 5 ♀♀; Fergus nr. Guelph, Grand River, riverside vegetation, 30.vii.1994, 10 ♂♂ 12 ♀♀ (1 ♂ 3 ♀♀ genit prep.), all J. Roháček leg. (all SMOC); Wellington Co., Fergus, Grand River, sweep in Eupatorium, 2.viii.1993, 1 ♂, D. C. Caloren leg.; Fergus, 43°41.5'N 80°23.2'W, Grand R. noodplain, sweeps/pooter, Bromus inermis, 17.vii.1997, 3 ♂♂ 5 ♀♀ (1 ♀ genit. prep.), K. N. Barber leg.; Goderich, 22.vi.1977, 2 ♀♀, K. Barber leg. (all DEBU); Goulais River, Pine Shores Rd., 46°41.67'N 84°25.47'W, sweeps, Thalictrum, Clematis, sedges, edge of Cranberry Ck., 4.vii.2007, 1 ♂ 1 ♀, K. N. Barber leg. (CNCI); Grand Bend, 8.vii.1939, 1 ♂, 11.vii.1939, 1 ♀, G. E. Shewell leg. (CNCI); 7 mi E Grifnth, 22.vii.1984, 2 ♀♀, B. E. Cooper leg. (CNCI); Guelph, 13.vii.1983, 1 ♀, R. D. Smith leg., 6.vii.1979, 1 ♀, K. L. Bailey leg., 1 ♀, J. E. Corrigan leg., “5.7”.1965, 1 ♂, C. J. Edwards leg., 13.vii.1978, 1 ♀, P. Jursevskis leg., 17. vi.1979, 1 ♂, 3.vii.1979, 6 ♂♂ 1 ♀, 4.vii.1979, 2 ♂♂ 1 ♀, 5.vii.1979, 1 ♂ 1 ♀, 25.vii.1979, 2 ♂♂, 2.viii.1980, 1 ♀, 23.vii.1982, 3 ♀♀, Malaise trap, 14.vii.–16.viii.1981, 1 ♂, 1–20.vii.1982, 1 ♀, K. N.Barber leg. (DEBU); Hamilton, Malaise trap, 10–13.vii.1980, 1 ♂, M.Sanborne leg.(DEBU); ~ 5 km NE Heyden, Hwy 552, 46°41.37'N 84°16.85'W, sweeps, roadside ditch/stream, graminoids, 31.vii.2006, 2 ♂♂ 2 ♀♀; ~ 13 km N Heyden, ~ 3.8 km E Robertson Lake Rd., 46°45.7'N 84°18.4'W, sweeps, Carex, Impatiens, Aster, 1.viii.2005, 1 ♀; Icewater Creek WS [watershed], 12.7 km NNE Searchmont, mi.10.5 Whitman Dam Rd., alder thicket, 21.vi.1986, 1 ♂, all K. N. Barber leg. (all CNCI); Icewater Creek WS, ~ 12.7 km NNE Searchmont, mi.10.5 Whitman Dam Rd., riparian meadow/ alder thicket, Malaise, 21–28.vii.1986, 1 ♀, 27.viii.–8.ix.1986, 1 ♂, [K. N. Barber] leg. (CNCI); Icewater Creek WS, 46°53.7'N 84°03.4'W, sweeps, Thalictrum, sedge, fern, riparian mixed forest, 7.vii.1998, 1 ♂; same locality but 46°53.72'N 84°03.39'W,sweeps, riparian ferns,graminoids, 5.viii.2006, 3 ♂♂ 3 ♀♀; ~ 11.9 km N Kejick, 49°43.89'N 95°04.14'W, sweeps, wet ditch, graminoids/ Equisetum, 30.vii.2008, 1 ♀, all K. N. Barber leg. (all CNCI); 6 km S Langton, Concession Rd. 8, S Hwy 45, 42°42.01'N 80°31.93'W, sweep in Carolinian forest, 29.vi.2002, 1 ♀ (LEMQ 0040474), sweep clearing at dusk near Carolinian forest, 29.vi.2002, 1 ♀ (LEMQ 0040474), S. Boucher leg.; Manitoulin Is., Carter Bay, 45°36.3'N 82°08.5'W, sweeps, Pearly Everlasting [Anaphalis margaritacea], 30.vi.1999, 5 ♂♂ 4 ♀♀; Manitoulin Is., ~ 2.2 km N Cold Springs, Perch Ck. @ Hwy 540, 45°53.2'N 82°06.3'W, sweeps/pooter, Calamagrostis canadensis, 1.viii.1997, 1 ♀; Manitoulin Is., 0.7 km N Michael’s Bay Pk., 45°36.4'N 82°06.1'W, sweeps, low veg. in mixed wood, 4.vii.1999, 1 ♀, all K. N. Barber leg.; Metcalfe, 24.vii.1984, 2 ♀♀, 22.vii.1986, 1 ♀, B. E.Cooper leg. (all CNCI); Oakville, 5.vii.1978, 1 ♀, D. Morris leg.(DEBU); One-sided [= Caliper] Lake, 26.vi.1960, 1 ♂, Kelton & Whitney leg.; Ottawa, 15.vii.1938, 4 ♂♂ 7 ♀♀, 17.vii.1938, 2 ♀♀, 27.vi.1946, 1 ♀, A. R. Brooks leg., 17.vi.1955, 1 ♂, 26.vii.1955, 2 ♀♀, J. G. Chillcott leg., 22.vii.1954, 1 ♂ 1 ♀ (1 ♀ genit. prep.), W. R. M. Mason leg., 5.vii.1938, 1 ♂, G. E. Shewell leg., 9.viii.1953, 1 ♀, 17.vii.1955, 2 ♂♂ 1 ♀, J. F. McAlpine leg.; Ottawa, compost heap, 9.vii.1953, 1 ♂, bleeding elm, 9.vii.1953, 1 ♀, 30.vii.1953, 1 ♀, stump of bleeding elm, 21.vi.1955, 1 ♀, J. F. McAlpine leg.; Ottawa, 26.vii.1955, 2 ♂♂ 2 ♀♀, 12.vii.1956, 1 ♂ 1 ♀, 22.vi.1963, 1 ♂ 1 ♀ (1 ♀ genit. prep.), 30.vi.1963, 3 ♂♂ 7 ♀♀, 6.vii.1963, 3 ♂♂ 4 ♀♀, 20.vii.1963, 1 ♀, 13.vii.1963, 10 ♂♂ 7 ♀♀ (1 ♀ genit. prep.), 28.vi.1964, 2 ♂♂, 12.vii.1964, 1 ♀, J. R. Vockeroth leg.; Ottawa, taken at light, 29.vi.1964, 1 ♀, damp second-growth Acer-Betula wood, 11.viii.1989, 1 ♀, J. R. Vockeroth leg.; Ottawa, at light during heavy rain, 26.vi.1964, 1 ♂, [J. R. Vockeroth?] leg. (all CNCI); Ottawa, Beechwood Cemetery, 45°26.88'N 75°40.05'W, sweeps, Equisetum hyemale, grasses nr.creek outlet, 27.vii.2007, 3 ♂♂, K. N. Barber leg.(CNCI); Ottawa, Black Rapids, 28.vi.1958, 1 ♂, 28.vi.1959, 1 ♂ 1 ♀ (CNCI); Ottawa, Mackay Lake Outlet, 6.viii.2006, 1 ♀ (CNCI, Diptera #58957); Ottawa, Mer Bleue, 25.vi.1964, 1 ♀ (CNCI), all J. R. Vockeroth leg.; Pancake Bay P. Pk., 46°57.89'N 84°42.55'W, sweeps, Carex in moist area under canopy, 7.viii.2004, 3 ♂♂ (DEBU 01501447–49); Pancake Bay P.Pk., 46°58.00'N 84°42.47'W, Black Creek noodplain, sweeps, Carex / Calamagrostis, 7.viii.2004, 1 ♀ (DEBU 01501100), 19.vii.2014, 2 ♂♂ 1 ♀ (DEBU 01503968–70), all K. N. Barber; ~ 1 km NW Ponsonby, 43°38.2'N 80°22.9'W, sweeps/pooter, roadside, mostly Poa pratensis & Poa compressa, 17.vii.1997, 1 ♂ 1 ♀, K. N. Barber leg. (CNCI); HaldimandNorfolk Co., Port Ryerse, along stream, 15.vii.1986, 1 ♀, R. Danielsson leg. (MZLU, genit. prep.); Powassan, 14.vii.1978, 1 ♂, J. Cappleman leg. (DEBU); Prescott, 44°42.8'N 75°31.1'W, sweeps/pooter, mixed grasses, 22. viii.1997, 1 ♀; ~ 4 km SW Richmond, Jct. Munster Rd./Kettle

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