Cystiphora schmidti
WebFeb 6, 2024 · Biocontrol 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 ... http://invasives.wsu.edu/biological/cystiphoraschmidti.htm
Cystiphora schmidti
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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). WebAgent Description Adults and young (nymphs) are tiny, soft-bodied, pale yellow-orange mites. Adults are from 0.16 to 0.26 mm (less than 1/32 inch) long, and nymphs are nearly impossible to observe clearly with the naked eye. Life Cycle This agent completes several generations per year.
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. WebIt was found from 0 M. micans, the midge Cystiphora schmidtiRub. (Dip- to 1200 m above sea level. The densest populations (50 tera: Cocidomidae) and the flower-feeding moth, S. plants/m2) were observed on abandoned farmland …
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(Milan et al. 2016). The gall midge, Cystiphora schmidti (Ru¨bsaamen) (Diptera, Cecidomyiidae) lays its eggs on leaves and inflorescence stems, causing purple, blister …
WebCystiphora schmidti, the rush skeletonweed gall midge, is a species of gall midges in the family Cecidomyiidae.[1][2][3][4] For faster navigation, this Iframe is preloading the … north carolina elections boardWebThe 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 north carolina education lottery headquartersWebSpecies Cystiphora schmidti - Rush skeletonweed gall midge. Classification · Synonyms and other taxonomic changes · Size · Food · Life Cycle · Remarks · Internet References. ... Laubertia schmidti Rübsaamen, 1914. Size . 0.8 to 1.6 mm. Food . Rush skeletonweed Chondrilla juncea and related species. Life Cycle . Four or five generations a ... north carolina electronic case reportingWebAug 1, 1978 · The gall midge, Cystiphora schmidti, imported from Greece via Australia, readily attacks representative plants of Chondrilla juncea obtained from skeletonweed … north carolina electrical contractors listWebJan 1, 2009 · A Cecidomyiid gall midge, Cystiphora schmidti (Rübsaamen), lives on several related Chondrilla spp. occurring from Greece and eastern Europe to Iran. Its biology and host specificity were studied ... how to reschedule outlook meeting inviteWebCystiphora schmidti, the rush skeletonweed gall midge, is a species of gall midges in the family Cecidomyiidae.[1][2][3][4] For faster navigation, this Iframe is preloading the Wikiwand page for Cystiphora schmidti . how to reschedule prc renewal appointmentWebCypripedium is a genus of terrestrial orchids in the Orchidaceae family. It includes about 50 species, most of them quite hardy, which can be found in America, Europe, and Asia. In … north carolina electrical grid map