Acute toxity and sublethal effects of pymetrozine on the whitefly parasitoid Encarsia formosa Gahan
نویسندگان
چکیده
منابع مشابه
Ovicide in the whitefly parasitoid, Encarsia formosa.
The oviposition decisions made by insect parasitoids when encountering hosts of variable quality have been the subject of extensive theoretical and experimental investigation. For parasitoids that lay their eggs inside the host, the possible outcomes of encounters with parasitized hosts have been assumed to include only oviposition (superparasitism), rejection, or in some cases feeding on host ...
متن کاملEffects of Rearing Host Species on the Host-Feeding Capacity and Parasitism of the Whitefly Parasitoid Encarsia formosa
Parasitoids of the Encarsia genus (Hymenoptera: Aphelinidae) are important biological control agents against whiteflies. Some of the species in this genus not only parasitize their hosts, but also kill them through host feeding. The whitefly parasitoid, Encarsia formosa Gahan, was examined to determine whether the rearing host species affects its subsequent host-feeding capacity and parasitism....
متن کاملAge-specific interaction between the parasitoid, Encarsia formosa and its host, the silverleaf whitefly, Bemisia tabaci (Strain B)
The effect of hostage, the instar of Bemisia tabaci (Gennadius) parasitized, on the growth and development of Encarsia formosa (Gahan) was studied. E. formosa was able to parasitize and complete its life cycle no matter which instar of B. tabaci (Strain B), [also identified as B. argentifolii (Bellows and Perring)], was provided for oviposition, but parasitoid development was significantly slow...
متن کاملElevated O3 enhances the attraction of whitefly-infested tomato plants to Encarsia formosa
We experimentally examined the effects of elevated O₃ and whitefly herbivory on tomato volatiles, feeding and oviposition preferences of whiteflies and behavioural responses of Encarsia formosa to these emissions on two tomato genotypes, a wild-type (Wt) and a jasmonic acid (JA) defence-enhanced genotype (JA-OE, 35S). The O₃ level and whitefly herbivory significantly increased the total amount ...
متن کاملEffects of amitraz, buprofezin and propargite on some fitness parameters of the parasitoid Encarsia formosa (Hym.: Aphelinidae), using life table and IOBC methods
اثرات جانبی آفت‌کش‌های آمیتراز، بوپروفزین و پروپارژیت روی زنبور پارازیتوئیدEncarsia formosa (Gahan) بر اساس استانداردهای سازمان بین‌المللی کنترل بیولوژیک (IOBC) و ارزیابی جدول زندگی در شرایط آزمایشگاهی مطالعه شد. زیست‌سنجی به روش‌های غوطه‌وری برگ‌های لوبیا حاوی شفیره‌های 3 روزه‌ی پارازیتوئید در محلول‌های سمی در حداکثر غلظت توصیه‌شده از هر آفت‌کش و روش محصور کردن حشرات کامل در تشتک‌های پتری تیما...
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ژورنال
عنوان ژورنال: Pesticidi i fitomedicina
سال: 2020
ISSN: 1820-3949,2406-1026
DOI: 10.2298/pif2002081d