Melanagromyza, Hendel, 1920

Eiseman, Charles S., Lonsdale, Owen, Linden, John Van Der, Feldman, Tracy S. & Palmer, Michael W., 2021, Thirteen new species of Agromyzidae (Diptera) from the United States, with new host and distribution records for 32 additional species, Zootaxa 4931 (1), pp. 1-68 : 15

Melanagromyza sp. 3

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 Melanagromyza from Nabalus (nor is any known from Prenanthes L., the European genus from which Nabalus was recently separated).