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For the United States & Canada
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Species Asteromyia carbonifera

Insect, fungus or lichen? - Asteromyia carbonifera Asteromyia carbonifera Asteromyia carbonifera? - Asteromyia carbonifera Unid Leafminer WPsg7 - Asteromyia carbonifera Unid Leafminer Gsc2 - Asteromyia carbonifera Insect Eggs? - Asteromyia carbonifera Asteromyia carbonifera Cecidomyiidae, dorsal - Asteromyia carbonifera
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Bibionomorpha (Gnats, Gall Midges, and March Flies)
Superfamily Sciaroidea (Fungus Gnats and Gall Midges)
Family Cecidomyiidae (Gall Midges and Wood Midges)
Subfamily Cecidomyiinae (Gall Midges)
Supertribe Lasiopteridi
Tribe Alycaulini
Genus Asteromyia
Species carbonifera (Asteromyia carbonifera)
Explanation of Names
Author: Osten Sacken, 1862
Across North America.
Goldenrod is the host plant
Life Cycle
Females lay eggs on the undersides of goldenrod leaves. Development from egg to adult takes 4-5 weeks. There are several generations per year. (1)
1. Galls, 2. Larva, 3. Pupae and adults, 4. Adult
Induces flat, circular galls in the leaves of various goldenrods (Solidago). The galls contain a symbiotic fungus, Botryosphaeria dothidea, which the larva apparently does not eat. One to ten or more larvae develop in each gall. Color and size of the gall vary by host species and number of larvae. (1)
The fungus seems to confer some protection against parasitoid wasps. Females carry spores of the fungus.
Works Cited
1.The Plant-Feeding Gall Midges of North America
Raymond J. Gagné. 1989. Cornell University Press.