Analysis of parasite and predator populations observed in pear orchards infested by Psylla pyri (L.) (Hom. : Psyllidae) in France
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چکیده
منابع مشابه
the stady and analysis of rice agroclimatology in lenjan
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
15 صفحه اولResponse of summerform pear psylla (Hemiptera: Psyllidae) to male- and female-produced odors
We examined the role of chemical signals in sex attraction of pear psylla, Cacopsylla pyricola (Förster), assessing the response of summerform male and female psyllids to maleand female-produced volatile chemicals. Male psyllids were attracted to odors from live females and pentane extracts of females. Extracts of females were as attractive to males as live females, suggesting that the female-p...
متن کاملFunctional response of Anthocoris nemoralis (Hemiptera: Anthocoridae) to the pear psylla, Cacopsylla pyricola (Hemiptera: Psyllidae): effect of pear varieties
Anthocoris nemoralis (F.) (Hemiptera: Anthocoridae) is one of the most prominent predators of the pear psylla, Cacopsylla pyricola (Forster) (Hemiptera: Psyllidae) and is considered as a biological control agent against this pest. In order to investigate the effects of plant varieties on predation of C. pyricola by A. nemoralis, the functional response of both the sexes of A. nemoralis to pear ...
متن کاملبررسی رفتار تخمگذاری و رشد بیواونتوژنیک زنبور Prionomitus mitratus Dalm(Hym.Encyrtidae) پارازیتوئید پسیل گلابی در آزمایشگاه Psylla Pyri L(Hom psyllidae)
دربررسی بیواکولوژیک روی پسیل گلابی Psylla pyri رفتار تخمگذاری و رشد بیواونتوژنیک ومراحل رشد جنینی زنبور پارازیتوئید prionomitus mitralus جلب توجه نمود از این رفتار عکس برداری وفیلم برداری شد وحرکات مختلف آن موردتجزیه و تحلیل قرار گرفت. این بررسی در طول سال 1370 روی یکصد زنبورماده در آزمایشگاه در کشور فرانسه انجام گردید. در بررسیهای مورفولوژیک ‘روی مفصلهای انتهایی شاخک برجستگیهای نواری شکل مشا...
متن کاملDiapause status of females affects attraction of male pear psylla, Cacopsylla pyricola, to volatiles from female-infested pear shoots
A companion study showed that male pear psylla, Cacopsylla pyricola (Förster) (Homoptera: Psyllidae) were attracted to volatiles from pear shoots infested with post-diapause females. The present study compared the behavioral response of males to diapause and post-diapause females. Assays were done using a Y-tube olfactometer. We collected male and female winterform psylla from pear orchards at ...
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ژورنال
عنوان ژورنال: Agronomie
سال: 1985
ISSN: 0249-5627
DOI: 10.1051/agro:19850901