Effect of three insecticides on some biological and histological aspects of the spider anelosimus aulicus (koch) [electronic resource]

By: Contributor(s): Language: English Summary language: Arabic Description: p.17-36Other title:
  • تأثير ثلاثة مبيدات حشرية على بعض المظاهر البيولوجة و الهستولوجية للعنكبوت انوليسماس ايوليكاس [Added title page title]
Uniform titles:
  • Fayoum journal of agricultural research and development, 2016 v. 30 (2) [electronic resource].
Subject(s): Online resources: In: Fayoum Journal of Agricultural Research and Development 2016.v.30(2)Summary: The comb-footed spider, Anelosimus aulicus, has great potential to suppress insect pests of agricultural crops. The effect of some insecticides used against these pests on survival of this spider was investigated under laboratory conditions. Mortality and chanies in the fine structure of the midgut 48h after treatment with Lannate , Reldan® and Match® were examined. The LC50's, LC90's and slope of these insecticides were given. Lannate® was the most effective due to high acute toxicity, causing 66.7% mortality in females and 91.6% in males. It was also the most drastically effective on fecundity of females where no egg sacs were laid under the recommended field concentration (0.3gm/ 200 ml water). Reldan® caused 58.3% mortality in females and 83.33% in males.
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The comb-footed spider, Anelosimus aulicus, has great potential to suppress insect pests of agricultural crops. The effect of some insecticides used against these pests on survival of this spider was investigated under laboratory conditions. Mortality and chanies in the fine structure of the midgut 48h after treatment with Lannate , Reldan® and Match® were examined. The LC50's, LC90's and slope of these insecticides were given. Lannate® was the most effective due to high acute toxicity, causing 66.7% mortality in females and 91.6% in males. It was also the most drastically effective on fecundity of females where no egg sacs were laid under the recommended field concentration (0.3gm/ 200 ml water). Reldan® caused 58.3% mortality in females and 83.33% in males.

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