نتایج جستجو برای: podosphaera pannosa on rosa sp
تعداد نتایج: 8489156 فیلتر نتایج به سال:
in the framework of a study on the powdery mildew fungi in iran, several infected plant specimens were collected from around the country during 2001-2009. based on the results of the study erysiphe quercicola on quercus sp. and e. malvae on malva sp., golovinomyces ambrosiae on helianthus spp., golovinomyces fischeri on senecio glaucus, are the newly reported for iranian mycobiota. in addition,...
The genus Chrysellampus Semenov, 1932 is revalidated. Chinese species are revised and keyed for the first time. Five species are recorded, two of them are new for science: Chrysellampus obtusidentibus Rosa, Wei & Xu, sp. nov. (Yunnan), and C. proximocellis Rosa, Wei & Xu, sp. nov. (Gansu and Yunnan). New synonymy for Chrysellampus Semenov, 1932 (=Parellampus Semenov, 1932, syn. nov.) and new co...
The Chinese species of the genus Philoctetes Abeille de Perrin, 1879 are revised and keyed for the first time. Six species are recorded, of which two are new for science: Philoctetes longiflagellis Rosa, Wei & Xu, sp. nov. (Inner Mongolia and Shanxi) and P. simulator Rosa, Notton & Xu, sp. nov. (Tianjin). The new synonym, Philoctetes cupratus (Mócsary, 1914), syn. nov. of Philoctetes mongolicus...
BACKGROUND We describe nine new species in the genus Uramya Robineau-Desvoidy, 1830 from Area de Conservación Guanacaste (ACG) in northwestern Costa Rica. All species were reared from an ongoing inventory of wild-caught caterpillars spanning a variety of families (Lepidoptera: Erebidae; Limacodidae; Megalopygidae; Lasiocampidae and Dalceridae). Our study provides a concise description of each n...
A new Italian earthworm morphologically close to the similarly large and anecic Eophila tellinii (Rosa, 1888) is described. Distribution of Eophila crodabepis sp. nov. extends over 750 km2 from East to West on the Asiago Plateau and Vittorio Veneto Hills, from North to South on mounts Belluno Prealps (Praderadego and Cesen), Asiago, Grappa and onto the Montello foothills. This range abuts that ...
Pine wilt disease (PWD), a destructive disease for pine trees, is caused by the pine wood nematode (PWN), Bursaphelenchus xylophilus and additional bacteria. In this study, extracts of Zostera marina showed a high nematicidal activity against PWN and some of the bacteria that it carries. Light yellow crystals were obtained from extracts of Z. marina through solvent extraction, followed by chrom...
In spite of that Chinese species of the genus Omalus Panzer, 1801 were recently revised by Wei et al. (2014), the study of more material has revealed the presence of other four species: two of them are new, O. corrugatus Rosa, Wei & Xu, sp. nov. (China, Guangdong) and O. hainanensis Rosa, Wei & Xu, sp. nov. (China, Hainan); the other two are newly recorded from China, O. stella (Semenov & Nikol...
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