Stem borer, Prenanthes - Melanagromyza

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Opomyzoidea » Leaf Miner Flies (Agromyzidae) » Ophiomyiinae » Melanagromyza » Undetermined Nabalus stem borer (only females known) (Melanagromyza Undetermined Nabalus stem borer (only females known))

Photo#1942680

Copyright © 2021 John van der Linden

Stem borer, Prenanthes - Melanagromyza

Dunning's Spring, Winneshiek County, Iowa, USA
January 12, 2021

Although much of the stem above this point was hollow, there was some pith at the very base of the stem -- and it was totally riddled with Melanagromyza tunnels!

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Contributed by John van der Linden on 22 February, 2021 - 8:25pm

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