Web(1) Skeletonweed gall midge (Cystiphora schmidti) - Larval feeding causes gall formation on leaves and stems. (2) Skeletonweed rust (Puccinia chondrillina) - The rust causes stunting, desiccation and other stress-induced problems for the host plant. Seedling plants are damaged and stunted, if not killed. WebThe rush skeletonweed gall midge (Cystiphora schmidti) was introduced to California in 1975 and is established throughout the Pacific Northwest. The gall midge impacts the rosette and flowering stems of all RSW biotypes in this region. Affected stands are often a noticeable purple to reddish color.
The Response of the Skeletonweed Gall Midge, …
http://bugwoodcloud.org/ibiocontrol/proceedings/pdf/12_301-305.pdf Webschmidti are described and illustrated on the basis of specimens made available from recent studies of this species in Europe as part of a project to implement biological … simple wood cabinet latch
Biological control of skeleton weed – CSIROpedia
WebHence, under these conditions of less-than-expected efficacy, the rust has been utilized along with chemical herbicides, and the insect biocontrol agents, Cystiphora schmidti (a gall forming midge) and Aceria chondrillinae (a gall forming mite), in an integrated weed management program to maximize its benefits (75). As in Australia, the rust ... WebBiocontrol agents released against C. juncea in previous decades included Cystiphora schmidti (gall midge), Aceria chondrillae (gall mite), and Puccinia chondrillina (rust fungus). C. juncea abundance was greater in sprayed than unsprayed plots, and where soils were coarser, slopes faced southwest, solar heat loads and topographic water ... WebSpecies Cystiphora schmidti - Rush skeletonweed gall midge Classification · Synonyms and other taxonomic changes · Size · Food · Life Cycle · Remarks · Internet References … ray liotta jennifer love hewitt movie