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Photo#1439503
Stem borer, Prenanthes - Melanagromyza

Stem borer, Prenanthes - Melanagromyza
Twin Springs Park, Winneshiek County, Iowa, USA
September 11, 2017
09/11/17 Puparia are spent, with two adult agromyzids and one wasp (dead) in rearing container...they've likely been dead for a long time as I didn't check the container often

Shown in this and the following photos: spent puparium, in a narrow section of stem near the top of the plant; and, lower in the stem, where it's naturally hollow and much larger in diameter, mines in the inner surface of the stem. All larvae evidently completed their feeding in the stem and pupariated in fall, 2016 (so the stem boring and stem mining shown in this series took place then, before I even collected the stems).

One of the adult agromyzids from this rearing:


Images of this individual: tag all
Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza Stem borer, Prenanthes - Melanagromyza

Moved
Moved from Melanagromyza.

Moved
Moved from Flies.

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