Transmission of cocoa viruses by mealybugs (Homoptera: Pseudococcidae)
نویسندگان
چکیده
منابع مشابه
Cytogenetic and taxonomic studies of some legless mealybugs (Homoptera, Coccinea, Pseudococcidae)
A new monotypic genus and species, Komodesia circuliplurimagen. et sp. n., from Flores Is. (Indonesia) and the new species, Antonina diversiglandulosasp. n., from Southern Thailand are described and illustrated. Chromosomes of these species and also the ones of Antonina purpurea Signoret, 1872 and Antonina thaiensis Takahashi, 1942 are studied for the first time: 2n = 30, 20, 12 and 22+Bs corre...
متن کاملThe mealybugs of southern Iran (Hem.: Coccoidea: Pseudococcidae)
فون شپشک‌های آرد آلود جنوب ایران (استان‌های سیستان و بلوچستان، هرمزگان، بوشهر، خوزستان و فارس) برای بسیاری از شپشک شناسان ناشناخته می‌باشد. در این تحقیق، 17 گونه شپشک آردآلود و گیاهان میزبان آنها معرفی می‌گردد.Maconellicoccus hirsutus (Green)، Nipaecoccus viridis (Newstead) و Planococcus ficus (Signoret) از آفات مهم و Ferrisia virgata (Cockerell)، Dysmicoccus brevipes (Cockerell)و Planococcus v...
متن کاملSusceptibility of Maconellicoccus hirsutus (Homoptera: Pseudococcidae) to methyl bromide.
Eggs, crawlers, early nymphs, late nymphs, and adults of the pink hibiscus mealybug, Maconellicoccus hirsutus (Green), were tested for their susceptibility to methyl bromide in 2-h laboratory fumigations at ambient conditions (25 degrees C, 95% RH). Dose-response tests indicated that the egg was the most susceptible life stage with an LC99 of 20.2 mg/liter. Based on probit analysis of dose-resp...
متن کاملIdentification of Mealybug- (Homoptera: Pseudococcidae) Resistant Turf-Type Buffalograss Germplasm
Two species of mealybugs, Tridiscus sporoboli (Cockerell) and Trionymus sp., have emerged as potentially serious pests of turf-type buffalograss, Buchloe dactyloides (Nuttall) Engelmann. Sixty-two buffalograss selections were screened for resistance to these mealybugs in 4 greenhouse trials. Using a 1-6 rating scale (1 = no signs of mealybugs, 6 = >75% of tillers infested), 'Prairie' and '609' ...
متن کاملGeneric vapor heat treatments to control Maconellicoccus hirsutus (Homoptera: Pseudococcidae).
Vapor heat treatments were developed against life stages of the mealybug Maconellicoccus hirsutus (Green) (Homoptera: Pseudococcidae). Treatments tested were 47 degrees C for 5-50 min in 5-min increments and 49 degrees C for 3, 5, 8, 10, and 12 min. All tests were conducted with mixed age M. hirsutus on Chinese pea, Pisum sativum L. Treatment at 47 degrees C required 45 min to kill all M. hirsu...
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ژورنال
عنوان ژورنال: Agricultural and Food Science
سال: 1976
ISSN: 1795-1895,1459-6067
DOI: 10.23986/afsci.71915