Contarinia partheniicola (on Parthenium incanum)
The inducer of this gall is unknown or undescribed.
Family: Cecidomyiidae | Genus: Contarinia
Hosts: Parthenium incanum
Detachable:
Color: white, green
Texture: hairy
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Shape: cup
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Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
The gall midges of ragweed, Ambrosia, with descriptions of two new species (Diptera: Cecidomyiidae)
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Contarinia partheniicola
Contarinia partheniicola forms whitish, woolly, cupulate galls 5-8 mm long and 4-5 mm wide. Previously reported only from Parthenium, incanum, the type host, it is now known to occur on Ambrosia spp....R. D. Goeden writes (pers. comm.) that the galls on Ambrosia are formed singly or in small groups on various parts of the shoots, e.g., on axillary buds along the stems, on the young leaves, on the staminate florets, and along the rachis of the inflorescence.
β- Raymond J. Gagne: (1975) The gall midges of ragweed, Ambrosia, with descriptions of two new species (Diptera: Cecidomyiidae)Β©
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