FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.

The life cycle of Epinotia abbreviana Fabi (Tortricidae : Lepidoptera) was studied and recorded for the first time in Iraq in 2006 under laboratory conditions (30.5°c and 25.5%R.H). The study showed that the mean length of incubation period, larval stages and longevity of adults, males and females,...

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Main Author: Ismail N.Almaroof
Format: Article
Language:English
Published: College of Agriculture 2009-09-01
Series:Mesopotamia Journal of Agriculture
Online Access:https://magrj.mosuljournals.com/article_27432_1767258ab729730df7fe524f542fc6f5.pdf
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author Ismail N.Almaroof
author_facet Ismail N.Almaroof
author_sort Ismail N.Almaroof
collection DOAJ
description The life cycle of Epinotia abbreviana Fabi (Tortricidae : Lepidoptera) was studied and recorded for the first time in Iraq in 2006 under laboratory conditions (30.5°c and 25.5%R.H). The study showed that the mean length of incubation period, larval stages and longevity of adults, males and females, were 7.51, 19.92 and 7.37, 7.27 days respectively. The study also showed that all larval instars have the ability to tie two or more leaves together and feed on the epidermis of the tied up leaves. The study indicated that the mean number of eggs laid by a singles female were 98.70, and the egg viability 82%. The sex ratio of male to female was 1.2:1. Also it was found that this species has 5 generations per year. The average duration of each generation was 38.10 days. The toxicities of some insecticides on the second and the fifth larval stages were evaluated. These insecticides were Alphacypermethrin, Diazinon, Endosulfan and Sevin with concentrations ranged from (0.0010-0.0300) %. Alphacypermethrin showed higher toxicity effect on larvae and significantly difference from other insecticides. And Sevin toxicity has the lowest effect of the tested insecticides. Diazinon and Endosulfan had less toxicity effects on larval than Alphacypermethrin respectively.
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spelling doaj-art-53005e63156f4e24a1f1d6b11b2fb56d2025-08-20T02:13:44ZengCollege of AgricultureMesopotamia Journal of Agriculture1815-316X2224-97962009-09-0137319620310.33899/magrj.2009.2743227432FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.Ismail N.AlmaroofThe life cycle of Epinotia abbreviana Fabi (Tortricidae : Lepidoptera) was studied and recorded for the first time in Iraq in 2006 under laboratory conditions (30.5°c and 25.5%R.H). The study showed that the mean length of incubation period, larval stages and longevity of adults, males and females, were 7.51, 19.92 and 7.37, 7.27 days respectively. The study also showed that all larval instars have the ability to tie two or more leaves together and feed on the epidermis of the tied up leaves. The study indicated that the mean number of eggs laid by a singles female were 98.70, and the egg viability 82%. The sex ratio of male to female was 1.2:1. Also it was found that this species has 5 generations per year. The average duration of each generation was 38.10 days. The toxicities of some insecticides on the second and the fifth larval stages were evaluated. These insecticides were Alphacypermethrin, Diazinon, Endosulfan and Sevin with concentrations ranged from (0.0010-0.0300) %. Alphacypermethrin showed higher toxicity effect on larvae and significantly difference from other insecticides. And Sevin toxicity has the lowest effect of the tested insecticides. Diazinon and Endosulfan had less toxicity effects on larval than Alphacypermethrin respectively.https://magrj.mosuljournals.com/article_27432_1767258ab729730df7fe524f542fc6f5.pdf
spellingShingle Ismail N.Almaroof
FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
Mesopotamia Journal of Agriculture
title FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
title_full FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
title_fullStr FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
title_full_unstemmed FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
title_short FIRST RECORD OF POPLAR LEAF TWERS, EPINOTIA ABBREVIANA (TORTICIDAE: Lepidoptera) ON POPULUS SP. TREES IN IRAQ.
title_sort first record of poplar leaf twers epinotia abbreviana torticidae lepidoptera on populus sp trees in iraq
url https://magrj.mosuljournals.com/article_27432_1767258ab729730df7fe524f542fc6f5.pdf
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