Thirteen new species of Agromyzidae (Diptera) from the United States, with new host and distribution records for 32 additional species Eiseman, Charles S. Lonsdale, Owen Linden, John Van Der Feldman, Tracy S. Palmer, Michael W. Zootaxa 2021 2021-02-17 4931 1 1 68 3VCS5 Spencer Spencer [151,508,1333,1360] Insecta Agromyzidae Liriomyza Animalia Diptera 29 30 Arthropoda species orilliensis  ( Fig. 78)   Material examined.   IOWA: Winneshiek Co., Decorah, Twin Springs Park,  24.viii.2017, em.?, J. van der Linden, ex  Prenanthes alba, # CSE4644,  CNC1144028( 1♀).  Photographed mines. MASSACHUSETTS:Franklin Co., Northfield, 276 Old Wendell Rd., 7.x.2015, C.S. Eiseman,  Nabalus altissimus[aborted/predated mines]; Nantucket Co., Squam Swamp, 8.ix.2019, C.S. Eiseman,  Nabalus trifoliolatus;  MICHIGAN:Ingham Co., Okemos, Ted Black Woods, 19.vi.2019, C.S. Eiseman,  Nabalus;  NORTH CAROLINA:Guilford Co., Browns Summit, Haw River State Park, 29.v.2015, T.S. Feldman,  Prenanthes alba[vacated mine], BG 1075103;  VERMONT:Chittenden Co., Williston, Mud Pond, 28.viii.2016, C.S. Eiseman,  Nabalus[vacated mines].   Hosts. Asteraceae:  Nabalus* albus(L.) Hook., [  N. altissimus(L.) Hook.,  N. trifoliolatusCass.],  TaraxacumF.H.Wigg. ( Eiseman & Lonsdale 2018).  Leaf mine.( Fig. 78) Pale greenish to whitish, turning brownish; in some cases beginning as an irregular track, gradually expanding to an elongate blotch, with frass mostly in squiggly strips; in others, forming a more or less compact blotch with distinct secondary feeding lines, and with frass mostly in fine grains. Two or three larvae may feed together.  Puparium.Yellow to brown; formed outside the mine.  Phenology and voltinism.Data from the few known specimens of this species indicate it is at least bivoltine. Larvae collected in Massachusettsin mid-June emerged as adults in early July ( Eiseman & Lonsdale 2018); a larva collected in Albertain early August emerged as an adult the following spring ( Lonsdale 2017a); and the Iowaspecimen emerged on an unknown date from a larva collected in late August.   Distribution. USA: *IA, MA, [MI, NC, VT]; Canada: AB, ON ( Eiseman & Lonsdale 2018). 3069844465 2017-08-24 CSE J. van der Linden Winneshiek Co. Twin Springs Park Decorah 29 30 CSE4644 1 Iowa 3069844469 [517,735,1472,1498] CNC 29 30 CNC1144028 1 1 IOWA