Stem borer (Diptera: Agromyzidae) in Daucus

Record Details

Record no.:	0190
Feeding guild:	Stem borer
Taxonomy:	Diptera: Agromyzidae: Melanagromyza sp.
Stages observed:	trace, puparium
Hosts in Daucus:	D. carota (Queen Anne's lace, wild carrot)

Puparia were found overwintering in upper stems (above the lowest branching point of the stem). The general appearance of the puparium is consistent with Melanagromyza.

Featured Images

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Image #: 190-01 Puparium in dead stem of host. (Photo date: April 28, 2023)

Image #: 190-03 Posterior spiracles of puparium, showing short horns arising from spiracular plates.

Specimen Data for Images

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Coll. 04/27/23, photos on 04/28/23 (01-03). All specimens above from Iowa, USA.

Page created: March 10, 2026. Last update: none