Cystiphora schmidti
WebCystiphora schmidti is specific to the genus Chondrilla. Comparative tests with Cystiphora schmidti from Greece against four forms of Chondrilla juncea showed that the midge was adapted to its usual Greek host but was less closely adapted to a western Mediterranean form. The Greek strain of the midge readily attacked and thrived on the main Web(Cystiphora schmidti Rubsaamen), and a gall-forming mite (Aceria chondrillae G. Canestrini). These organisms are host specific, which is a desired characteristic in a biological con-trol agent. Infestation distribution. Surveys have been conducted throughout selected geographic areas within most western states reporting infestations (Figure 1).
Cystiphora schmidti
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WebIt is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil. WebSpecies Cystiphora schmidti - Rush skeletonweed gall midge Classification · Synonyms and other taxonomic changes · Size · Food · Life Cycle · Remarks · Internet References …
http://invasives.wsu.edu/biological/cystiphoraschmidti.htm WebFeb 5, 2010 · Usually it will come in a 3 way combination: Cystiphora schmidti (insect) and Eriophyes chondrillae (insect) along with Puccinia chondrillina (fungi). Cystiphora schmidt can attack the plant's leaves and stems in its larval stage. It will then produce galls after feeding a while on the leaves and stems.
WebThe gall midge, Cystiphora schmidti (Ru¨bsaamen) (Diptera, Cecidomyiidae) lays its eggs on leaves and inflorescence stems, causing purple, blister-like galls that result in leaf and stem tissue damage when larvae emerge (Caresche and Wapshere 1975b). The gall mite Aceria chondrillae 123 1916 B. E. Lazarus, M. J. Germino 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 ...
WebA Cecidomyiid gall midge, Cystiphora schmidti (Rübsaamen), lives on several related Chondrilla spp. occurring from Greece and eastern Europe to Iran. Its biology and host …
WebJul 10, 2014 · The taxonomic status of the Chondrilla gall midge, Cystiphora schmidti (Rübsaamen), is discussed and new generic and specific synonymy is established in the genus Cystiphora. Male, female and ... significant history of chinaWebCystiphora is a genus of gall midges in the family Cecidomyiidae. There are about seven described species in Cystiphora. Species. These seven species belong to the genus … significant historical events of the 2000sWeb(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. the purdue cannonWebAug 1, 1978 · The gall midge, Cystiphora schmidti, imported from Greece via Australia, readily attacks representative plants of Chondrilla juncea obtained from skeletonweed … significant holidays in septemberthe purdue drumWebBiocontrol 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 ... the purchase of staten islandhttp://mtwow.org/Puccinia-chondrillina-1.html significant history in the philippines