Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Contarinia sorghicola - Sorghum Midge

Sorghum Midge - Contarinia sorghicola
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 Cecidomyiidi
Tribe Cecidomyiini
Genus Contarinia
Species sorghicola (Sorghum Midge)
Synonyms and other taxonomic changes
Diplosis sorghicola Coquillett, 1899
Explanation of Names
Author: Coquillett
Male: 1.3 mm. Female: 1.6 mm approximately
The adult is orange; newly hatched larva is colorless; it turns bright orange in later instars.
Worldwide. Introduced from Africa in the 1800s. In the US from Virginia to Florida and as far west as Texas.
Sorghum and Johnson grass are the primary hosts. It has been reported from 14 other grasses.
Life Cycle
It overwinters as a larva in aborted sorghum seeds. Adults emerge in the spring and are attracted to flowers of the host plant. Larvae feed on spikelets and pupate there.
Considered a pest of sorghum.