New state and host records for Agromyzidae (Diptera) in the United States, with the description of thirty new species Eiseman, Charles S. Lonsdale, Owen Zootaxa 2018 2018-09-14 4479 1 1 156 8BF4Y (Meigen) Meigen Meigen 1830 [151,627,1361,1387] Insecta Agromyzidae Cerodontha GBIF Animalia Diptera 43 44 Arthropoda species incisa Poemyza   Material examined. IOWA:Howard Co., Hayden Prairie State Preserve, 15.vii.2015, em. 30.vii.2015, C.S. Eiseman, ex ? Phalaris, #CSE1910, CNC564724 (1♀). MASSACHUSETTS:Franklin Co., Northfield, 263 Capt. Beers Plain Rd., 11.vii.2012, em. by 27.vii.2012, C.S. Eiseman, ex  Phalaris arundinacea, #CSE4, CNC358500 (1♀); 276 Old Wendell Rd., 2.viii.2014, em. 11.viii.2014, C.S. Eiseman, ex  Phleum pratense, #CSE1302, CNC384827–384829 (1♂ 2♀); Plymouth Co., West Bridgewater, 41.991852, -71.033550, 7.viii.2013, em. 17.viii.2013, C.S. Eiseman, ex  Cinna arundinacea, #CSE816, CNC392642 (1♀); Bridgewater, 16.viii.2013, em. 18–29.viii.2013, C.S. Eiseman, ex  Cinna arundinacea, #CSE826, CNC384722–384724 (2♂ 1♀); Worcester Co., Phillipston, along Burnshirt River (42.52149046, -72.09219652), 4.vii.2017, em. 15.vii.2017, C.S. Eiseman, ex  Calamagrostis canadensis, #CSE3955, CNC939733 (1♂); NEW YORK:Columbia Co., Ghent, 17.vii.2015, em. 3.viii.2015, C. Vispo, ex  Phalaris arundinacea, #CSE2172, CNC654350 (1♂); NORTH CAROLINA:Durham Co., Durham, 28.v.2015., em. by. 3.vi.2015, T.S. Feldman, ex Poaceae, #CSE1585, CNC564649 (1♂); Pelham Road, 27.vii.2017, em. summer 2017, T.S. Feldman, ex Poaceae, #CSE4346, CNC939824–939825 (2♀); OKLAHOMA:Payne Co., Mehan, 36.014339° N, -96.996744° W, 2.vi.2017, em. 21.vi.2017, M.W. Palmer, ex  Elymus canadensis, #CSE3935, CNC939907 (1♀).  Tentatively identified material. MASSACHUSETTS:Nantucket Co., Nantucket, Squam Swamp, 27.vii.2017, em. by 22.viii.2017, C.S. Eiseman, ex  Juncus tenuis, #CSE4157, CNC939650 ( 1♀).   Hosts. Poaceae:  Agrostis“  albaL.” [= stoloniferaL.?],  Bromus tectorumL.,  Calamagrostis*  canadensis(Michx.) P. Beauv., *  Cinna arundinaceaL.,  Elymus*  canadensisL.,  E. glaucusBuckley,  E. repens(L.) Gould,  Hordeum vulgareL.,  Pascopyrum smithii(Rydb.) Á. Löve,  Phalaris arundinaceaL.,  Phleum pratenseL.,  Setaria pumila(Poir.) Roem. & Schult.,  Triticum aestivumL.,  Zea maysL.,  Zizania aquaticaL. ( Frick 1959; Spencer 1969). Since  Juncus tenuisWilld. (Juncaceae)would represent a new host family for  Cerodontha incisa, we have chosen not to list it among the confirmed hosts until males can be reared from this plant.  Leaf mine.( Fig. 131) Awhitish, sometimes inflated, upper surface blotch, with up to four larvae feeding together. Frass is in scattered black grains.   Puparium.( Fig. 28) Elongate, black, iridescent; formed within the mine.   Distribution.Widespread in the northern half of the USand in Canada, south at least to OK and NC; Europe; Pakistan; Japan(Nowakowski, 1973).