Asphondylia (genus)
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gall on stem of Helianthus tuberosus with adult Asphondylia helianthiglobulus midges (click on image to enlarge it)
Source: Flickr
Source: Flickr
Asphondylia Loew, 1850
This genus includes more than 200 species of gall midges and has a wide distribution. Many of them cause gall on buds, flowers or fruits of their host plants. Several of them use crop plants and some of these are considered agricultural pests.
Typically the species use only one or a few plant species as hosts. Some have different hosts during the winter and the summer. For example the carob gall midge (Asphondylia gennadii) uses carob trees as a winter host and pepper (Capsicum) and other plants as summer hosts.
Currently, the following species have been entered into the system:
