Anthomyza tenuis

Anthomyza tenuis (Loew, 1863) (Figs 203, 207–222) Anthophilina tenuis Loew, 1863: 324; OSTEN SACKEN (1878): 198 (catalogue). Anthomyza tenuis: CZERNY (1902): 250 (key), 252 (list); ALDRICH (1905): 645 (catalogue); WILLISTON (1908): 297 (illustr.: wing, head, fore leg); MELANDER (1913): 293 (key, distribution); SABROSKY (1965):819 (catalogue); COLE (1969): 436 (distribution); ROHÁĆEK (1998a): 173 (checklist). Type material. LECTOTYPE: ♂ (designated herewith): “Loew Coll.”, “422”, “tenuis m.” (Loew’s handwriting), “Type 13427” (red label), “ LECTOTYPUS ♂ Anthophilina tenuis Loew, J. Roháček & K. N. Barber des. 2013” (red) and “ Anthomyza tenuis (Loew) ♂, J. Roháček & K. N. Barber det. 2013”. The specimen is in good condition, with clearly visible, exposed genitalia (see Fig. 203) (MCZC, intact). According to the original description (LOEW 1863), it was collected by Sahlberg in Sitka (USA: Alaska). The lectotype is designated inasmuch as LOEW (1836) did not mention the number of specimens used for the description and owing to the necessity to nx the status of the species because of the existence of two closely allied Nearctic species hitherto confounded under the name A. tenuis. Other material examined. CANADA: ALBERTA: Cypress Co., 6 km SW Onefour, 49°03'58"N, 110°30'20"W, sand pit, YPT [yellow pan trap], 16–18.viii.2014, 1 ♂, Buck & Cobb leg. (PMAE 00132692, genit. prep.); Dunvegan, N. side Peace River, pan traps in grasses, 19–28.vi.1995, 9 ♂♂ 4 ♀♀ (1 ♂ wing illustration), 28.vi.–11.vii.1995, 7 ♂♂ 2 ♀♀ (2 ♂♂ 1 ♀ genit. prep.), 11–25.vii.1995, 1 ♂ 2 ♀♀ (1 ♂ 1 ♀ genit. prep.), S. Boucher leg. (LEMQ). BRITISH COLUMBIA: Chetwynd, 615 m, 25.vi.1978, 1 ♂, P. H. Arnaud Jr. leg. (CASC); Hixon, 21.vi.1976, 1 ♂, E. Dyer leg. (CNCI); Kinbasket Lake, BC Hydro drawdown study, Malaise trap (02 MLRT 15), 12.vi.2010, 1 ♀, (84 MLRT 01), 4.vii.2010, 1 ♀, (84MTRTb01), 4.vii.2010, 1 ♀, (87MTRTb01), 10.vii.2010, 1 ♀ (headless), (91 MCOT 15), 10–11. viii.2009, 1 ♀, Cooper Beauchesne & Assoc. Ltd. leg. (RBCM, all genit. prep.); Liard Hot Springs, Alaska Hwy., mi. 486, 1500', 9–10.vii.1959, 1 ♂, E. E. MacDougall leg. (CNCI); Liard River Hot Springs Park, Alaska Highway DC-496.5, 30.vi.1978, 1 ♀, P. H. Arnaud Jr. leg. (CASC); Likely, 7.vii.1935, 1 ♂, G. S. Walley leg.; Robson, 24.v.1950, 1 ♂, 26.v.1950, 1 ♂, H. R. Foxlee leg.; Qualicum, 15.vi.1955, 1 ♂, G. E. Shewell leg. (all CNCI); Silver & Skagit Rd., 49°14'N 121°23'W to 49°08'N 121°15'W, 450–600 m, clover & nowers, 22.vi.2000, 1 ♀, Goulet & Gillespie leg. (DEBU 00278892, genit. prep.); Smithers, 450–500 m, 22.vi.1978, 1 ♀, N. L. H. Krauss leg. (AMNH, genit. prep.); Terrace, 13.vii.1960, 1 ♂, 15.vii.1960, 1 ♀, W. R. Richards leg.; 32 mi SW Terrace, 17.vii.1960, 1 ♀ (wings missing), wet poplar cedar bush (river nats), 6.vi.1960, 1 ♂, wet, thick poplar cedar forest, 6.vi.1960, 1 ♂; 50 mi SW Terrace, 24.vi.1960, 1 ♂ 3 ♀♀, all J. G. Chillcott leg.; Gagnon Rd., 6 mi W Terrace, 29.vi.1960, 1 ♀; Kleanza Ck., 14 mi E Terrace, 4.vii.1960, 1 ♂, both C. H. Mann leg.; Lakelse Lk. nr. Terrace, 300', 14.vi.1960, 1 ♀, R. Pilfrey leg.; Shames, 18 mi SW Terrace, 23.vi.1960, 1 ♂ 1 ♀, C. H. Mann leg.; Spring Ck., Terrace, 1.viii.1960, 1 ♀, C. H. Mann leg.; same locality but 220', 3.vi.1960, 1 ♂ 1 ♀ (♀ genit. prep.), R. Pilfrey leg. (all CNCI); Victoria, 10.vii.1924, 2 ♂♂, A. L. Melander leg. (USNM); Yoho N. P., EMAN site 1, 51°13'26"N 116°36'49"W, aspen, pitfall, 21–28.vii.1999, 1 ♂, A. Duguay, W. Fitch, R. Longair & C. Ma leg. (BDUC). NEWFOUNDLAND: Pasadena, sweeping low[?] veg[etation], 19.vii.1984, 1 ♂, L. Hollett leg. (CNCI). NORTHWEST TERRITORIES: Fort Liard, 9. vi.1969, 1 ♂, G. E. Shewell leg. (CNCI). NOVA SCOTIA: C[ape] B[reton] H[ighlands] Nat. Pk., PG932924, mixed wood with small stream, 21.vi.1983, 1 ♂; same locality but Lone Shieling, PG732859, over small stream in maple forest, 22.vi.1983, 1 ♀ (genit. prep.); same locality but North Mt., 400 m, PG788880, alder thicket with small stream, 20.vi.1983, 1 ♂, all J. R. Vockeroth leg. (all CNCI); same locality but North Mt., 400 m, PG766864, PT/FIT [pan trap/night interception trap] in forest & ferns, 11–19.vii.1983, 5 ♂♂ 2 ♀♀, L. Masner leg. (LEMQ). ONTARIO: Icewater Creek WS [watershed], 46°53.7'N 84°03.4'W, sweeps, Thalictrum, sedge, fern, riparian mixed forest, 7. vii.1998, 1 ♂, sweeps, Thalictrum, Eupatorium [Eutrochium], sedges in mixed forest, 17.vii.1998, 1 ♀, K. N. Barber leg. (CNCI, both genit. prep.); Moosonee, 51.24622°N 80.67281°W, Repl.1 mesic, Malaise trap, 18–21.vi.2010, 1 ♀, NBP Field Party leg. (LEMQ); Moosonee, 51°15.17'N 80°39.88'W, sweeps, mostly Equisetum, Rubus, under Populus, 9.vii.2014, 1 ♀ (CNCI); Moosonee, 51°16.33'N 80°39.11'W, sweeps, mostly Rubus, Impatiens, under Salix, Alnus, 10.vii.2014, 4 ♂♂ 5 ♀♀ (DEBU 2 ♂♂ 3 ♀♀, SMOC 2 ♂♂ 2 ♀♀), 11.vii.2014, 1 ♂ (CNCI); Moosonee, 51°16.54'N 80°39.00'W, sweeps, Equisetum, Rubus, Cornus, graminoids, edge of wet forest trail, 8.vii.2014, 5 ♂♂ (CNCI 3 ♂♂, SMOC 2 ♂♂ used for molecular work); Moosonee, 51°16.54'N 80°39.00'W, sweeps, Equisetum, Rubus, Cornus, graminoids, edge of wet forest trail, 10.vii.2014, 2 ♂♂ (CNCI), 11.vii.2014, 1 ♂ (DEBU), all K. N. Barber leg.; ~ 20 km E Nipigon, Hwy. #17, rest area, 48°58.00'N 87°59.09'W, sweeps, Aster [Eurybia], Rubus, Aralia, Diervilla, 31.vii.2008, 1 ♂; Otter Rapids, 50°11.08'N 81°38.37'W, sweeps, Eurybia, Equisetum under Populus, 19.vii.2009, 1 ♀, 20.vii.2009, 1 ♂, all K. N. Barber leg. (both CNCI); Pukaskwa N. P., Coastal Trail, Hattie Cove–Playter Harbour, sweep, 21.vii.2001, 1 ♀, M. Buck leg. (DEBU 00183038); ~ 2 km E Rossport, Hwy #17 picnic area, 48°50.3'N 87°29.4'W, 9.vii.1999, sweeps of graminoids, 1 ♂, K. N. Barber leg. (genit. prep.); 27 km SSW White River, boreal mixedwood, 48°21.1'N 85°20.7'W, opaque sticky trap, B1 S4 IO, 16.vii.–7.viii.2002, 1 ♀, S. B. Holmes leg. (genit. prep.); 40 km SSW White River, boreal mixedwood, B6 S3, multi-colour sticky trap, 48°14.06'N 85°21.97'W, #12, 16–26.vi.2003, 1 ♀, 10–23.vii.2003, 1 ♀ (genit. prep.); same locality but 48°14.05'N 85°21.99'W, #8, 16–26.vi.2003, 1 ♀, #9, 10–23.vii.2003, 1 ♂, all K. N. Barber leg. (all CNCI). QUEBEC: Lanoraie Bog, 45°59'N 73°17'W, Malaise trap, 2.vi.1987, 1 ♂, Sanborne, Genier & Hargreave leg. (LEMQ 0040472); Roundtop Mt., Sutton, 1300', 5.vi.1963, 1 ♀, J. R. Vockeroth leg.(CNCI, genit.prep.). UNITED STATES OF AMERICA: ALASKA: 11 km E Anchor Point, near Homer, 59°53'22"N 151°45'57"W, 16.vi.2005, 1 ♂ 1 ♀, J. & R. Skevington leg. (CNCI, Diptera #728, 921); Anchorage, [-]. vii.1960, 1 ♂, M. R. Wheeler leg. (AMNH); Curry, 29.vi.1952, 2 ♂♂, W. R. M. Mason leg. (CNCI, 1 ♂ genit. prep.); Juneau, 0–100 m, [-]. vii.1974, 1 ♀, 50–200 m, 31.vii.1974, 1 ♀, N. L. H. Krauss leg. (AMNH, both genit. prep.); Kenai Peninsula Borough, Long Term Ecological Monitoring Program, 3107, ~1.4 mi E of Lake Sabaka, S ½ of section 6, mixed forest, sweep net sample, 25.vi.2006, 1 ♂, T. Burke leg. (KNWR, ID:5638); same locality and program, 3324, ~ 1 km N of Crooked Ck.& ~1.5 km W of Kolomin Lk., forest, sweep net sample, 20.vi.2004, 1 ♂ 1 ♀, Grimes leg. (KNWR, ID:1816, -18); same locality and program, 3229, ~ 1 mi W of Killey R. & ~ 7 mi S of Kenai R., SE corner of section 2, spruce forest,sweep net sample, 19.vi.2006, 1 ♀, A. Wu leg. (KNWR, ID:4976); Saxman, 0–50 m, 19.vii.1970, 1 ♀, N. L. H. Krauss leg. (USNM). IDAHO: Newman Lk., 16.v.1925, 1 ♀, A. L. Melander leg. (USNM). MASSACHUSETTS: Petersham, [-]. vii.1926, 1 ♀ (genit. prep.), 30.vii.1926, 1 ♀, A. L. Melander leg. (USNM). MONTANA: Lincoln Co., Ross Ck., Giant Cedars Rec. Area, 48°12'N 115°54'W, mature forest, 26.vi.1996, 1 ♀, H. Goulet leg. (CNCI). NEW HAMPSHIRE: Crawford Notch, “23vii”, 1 ♀, N. Banks leg. (MCZC, genit. prep.); Tuckerman’s Rav[ine], Mt. Washington, 51[00]–5400', 31.vii.1954, 1 ♀, Becker, Munroe & Mason leg. (CNCI). NEW YORK: Adirondacks, Avalanche Trail, 30.vii.1929, 1 ♀, A. L. Melander leg. (USNM, genit. prep.); Whiteface Mt., 4600–4872', 19.vii.1962, 5 ♂♂ 4 ♀♀, J. R. Vockeroth leg. (CNCI, 1 ♂ 2 ♀♀ genit. prep.). NORTH CAROLINA: Haywood Co., Pisgah N. F., Little Pisgah Mt., 35.42401°N 82.74751°W, 1570 m, sweep grassy forest, PIS S5, 19.v.2008, 1 ♂, T. A. Wheeler leg. (LEMQ); Mt. Mitchell, 6500–6684', 5.vi.1962, 10 ♂♂ 2 ♀♀ (2 ♂♂ 1 ♀ genit. prep.); Great Smoky Mts. N. P., Clingman’s Dome, 6300', 6642', 18.vi.1957, 1 ♂ (genit. prep.), 20.v.1957, 1 ♂; Great Smoky Mts. N. P., Indian Gap, 5200', 2.vii.1957, 1 ♂ (genit. prep.), all J. R. Vockeroth leg.; Great Smoky Mts. N. P., Nolan Divide, 4.vi.2001, 1 ♂ (genit. prep.), J. M. Cumming leg. (all CNCI). NORTH CAROLINA / TENNESSEE: Great Smokies N.P., Clingman Dome, 18.vii.1941, 1 ♂, A. L. Melander leg. (USNM); Great Smoky Mts. N. P., Clingman’s Dome, 6300', 6642', 2.vii.1957, 1 ♂, W. R. M. Mason leg. (CNCI). OREGON: Marion Co., 3 mi E Idanha, 8.vi.1969, 1 ♂, E. M. Fisher leg. (LACM); Tillamook Co., 5 mi SSE Hebo, 11.vii.1971, 1 ♂, G. Steyskal leg. (USNM). TENNESSEE: Beech Gap, Gatlinburg, GSMNP, 5500', “1L’h3 75”, sweeps, 23.vi.1947, 1 ♀, R. H. Whittaker leg. (USNM, genit. prep.); Great Smoky Mts. N. P., Indian Gap, 5100', 23.vii.1957, 1 ♀, J. G. Chillcott leg. (CNCI); Indian Gap, 23.vii.1957, 1 ♀, W. R. Richards leg. (CNCI, genit. prep.). VERMONT: Jay Peak, 2600–3000', 20.vii.1968, 1 ♂ 1 ♀, J. R. Vockeroth leg. (CNCI); Manchester, 4.vi.[-], 1 ♀, C. W. Johnson leg. (MCZC). VIRGINIA: Smyth Co., Mt. Rogers, 5300–5700', 1.vi.1962, 1 ♀, J. R.Vockeroth leg. (CNCI, genit. prep.). WASHINGTON: Pierce Co., Clover Creek, 12.viii.1980, 1 ♂, T.L.Whitworth leg. (LACM); Everett, 19.vi.1920, 1 ♂ 1 ♀, A. L. Melander leg. (USNM); Kaluch, 1.viii.1951, 1 ♂, [no collector] (AMNH). Other A. macra -group material of questionable identity (Anthomyza sp. cf. tenuis). CANADA: ONTARIO: Icewater Creek WS [watershed], 46°53.7'N 84°03.4'W, sweeps, Thalictrum, sedge, fern, riparian mixed forest, 7.vii.1998, 1 ♀, K. N. Barber leg. (CNCI, genit. prep.). UNITED STATES OF AMERICA: ALASKA: Kenai Peninsula Bo

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