The plant-feeding gall midges of North America

Larva in achenes...Neolasioptera helianthi (Felt)

Infested achenes appear normal or slightly swollen. Larvae pupate inside and emerge through a hole in the crown....Heavily infested flower heads produce leaves in the center. Hosts: Helianthus spp. Distr.: widespread in North America.

- Raymond J. Gagne: (1989) The plant-feeding gall midges of North America©


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