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 5NC5 286470 Hendel 1920 [151,347,1577,1604] Insecta Agromyzidae Melanagromyza Animalia Diptera 14 15 Arthropoda genus   Material examined.   IOWA: Winneshiek Co., Decorah, Twin Springs Park,  31.i–1.ii.2017, em. by  ix.2017, J. van der Linden, ex  Prenanthes alba, #  CSE4660,  CNC1144026–1144027( 2♀);  10.ix.2017, em. spring 2018, J. van der Linden, ex  Prenanthes alba, #  CSE4662,  CNC1135654( 1♀).   Host. Asteraceae:  Nabalus albus(L.) Hook.  Larval biology.Internal stem borer. Lower in the stem, where it is hollow, larvae feed as described above for  Melanagromyza arnoglossi.  Puparium.Straw-colored; formed within the larval feeding site.  Phenology and voltinism.Pupae overwinter, with adults emerging in spring or perhaps summer.   Comments.This is the first record of any  Melanagromyzafrom  Nabalus(nor is any known from  PrenanthesL., the European genus from which  Nabaluswas recently separated). 3069844370 2017-01-31 2017-09 2017-01-31 J. van der Linden Winneshiek Co. Twin Springs Park Decorah 14 15 1 Iowa 3069844472 [534,648,1686,1712] CSE 14 15 CSE4660 1 IOWA 3069844382 2017-09-10 CNC Linden 14 15 CNC1144026-1144027 2 2 IOWA 3069844447 [490,603,1722,1748] CSE 14 15 CSE4662 1 IOWA 3069844367 [611,828,1722,1749] CNC 14 15 CNC1135654 1 1 IOWA