THERMAL TENDENCIES IN OOENCYRTUS FECUNDUS FERRIERE & VOEGELE (HYMENOPTERA: ENCYRTIDAE) EGG PARASITOID OF SUNN PEST

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AHMADPOUR SAJJAD; IRANIPOUR SHAHZAD; Asgari Shahryar

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Journal: BIOLOGICAL CONTROL OF PESTS AND PLANT DISEASES Year:2014 | Volume:3 | Issue:1 Page(s): 1-6

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Title

THERMAL TENDENCIES IN OOENCYRTUS FECUNDUS FERRIERE & VOEGELE (HYMENOPTERA: ENCYRTIDAE) EGG PARASITOID OF SUNN PEST

Author(s)

AHMADPOUR SAJJAD | IRANIPOUR SHAHZAD | Asgari Shahryar | Issue Writer Certificate

Keywords

NATURAL ENEMIESQ2

THERMOTAXIQ2

THERMOTROPISMQ2

Abstract

Insects are poikilothermes and hence environmental factors and primarily temperature can affect their biological activities and behavior. In this study thermal range preferred by Ooencyrtus fecundus Ferrier & Voegele was investigated by a device producing a thermal gradient from 16 to 47ºC. Temperature of different parts of the arena was precisely recorded by eight thermometers entered the arena from marginal walls of the apparatus. Three entries were prepared in cold, middle and warm areas of the device. In order to exclude possible tendencies of the release point, experiment was done three times each from an entry. Twenty wasps were released each time and number of the parasitoids as well as current temperature of any part was recorded after 5, 15 and 30 minutes. The highest frequency of the wasp (89.25%) was occurred in a spectrum of 23.47-29.54ºC while 46.66% of them were assembled in center of the arena where mean temperature was 26.03ºC. Wasps' distribution was affected by release point as significant discrepancies observing between all pairs of the experiments. The results revealed that the wasp searches for the sites with desirable temperatures by limited locomotion but avoid further movements as soon as it finds tolerable temperature.

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APA: Copy

AHMADPOUR, SAJJAD, IRANIPOUR, SHAHZAD, & Asgari, Shahryar. (2014). THERMAL TENDENCIES IN OOENCYRTUS FECUNDUS FERRIERE & VOEGELE (HYMENOPTERA: ENCYRTIDAE) EGG PARASITOID OF SUNN PEST. BIOLOGICAL CONTROL OF PESTS AND PLANT DISEASES, 3(1), 1-6. SID. https://sid.ir/paper/261442/en

Vancouver: Copy

AHMADPOUR SAJJAD, IRANIPOUR SHAHZAD, Asgari Shahryar. THERMAL TENDENCIES IN OOENCYRTUS FECUNDUS FERRIERE & VOEGELE (HYMENOPTERA: ENCYRTIDAE) EGG PARASITOID OF SUNN PEST. BIOLOGICAL CONTROL OF PESTS AND PLANT DISEASES[Internet]. 2014;3(1):1-6. Available from: https://sid.ir/paper/261442/en

IEEE: Copy

SAJJAD AHMADPOUR, SHAHZAD IRANIPOUR, and Shahryar Asgari, “THERMAL TENDENCIES IN OOENCYRTUS FECUNDUS FERRIERE & VOEGELE (HYMENOPTERA: ENCYRTIDAE) EGG PARASITOID OF SUNN PEST,” BIOLOGICAL CONTROL OF PESTS AND PLANT DISEASES, vol. 3, no. 1, pp. 1–6, 2014, [Online]. Available: https://sid.ir/paper/261442/en

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