اولین گزارش طغیان شب پره ابریشم باف ناجور (Lymantria dispar (Lepidoptera: Lymantriidae از جنگل‌های زاگرس شمالی و شناسایی آن با استفاده از ژن COI در ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری حشره شناسی کشاورزی، گروه گیاه‏پزشکی، دانشکده کشاورزی، دانشگاه تبریز، تبریز، ایران

2 نویسنده مسئول، استادیار، گروه گیاه‏پزشکی، دانشکده کشاورزی، دانشگاه لرستان، لرستان، ایران

3 دانشیار، گروه گیاه‏پزشکی، دانشکده کشاورزی، دانشگاه تبریز، تبریز، ایران

چکیده

DOR:98.1000/1735-0859.1397.16.207.32.2.1575.1606

شب­پره ابریشم­ باف ناجور یا کولیLymantria dispar Linnaeus, 1758 (Lepidoptera: Lymantriidae) یکی از خسارت­زاترین آفات ­برگخوار درختان جنگلی در دنیا است. پژوهش حاضر اولین گزارش شیوع و خسارت این آفت در جنگل­های زاگرس شمالی بر اساس مشاهدات میدانی، نمونه‏برداری صحرایی و بررسی­های آزمایشگاهی برای تأیید تشخیص است. نمونه­های لارو در بهار از روی درختان بلوط (Quercus brantii, Q. infectoria, Q. libani) و سایر درختان و درختچه­های جنگلی جمع­آوری شدند. به‏منظور شناسایی دقیق و سریع آفت و تشخیص افتراقی لارو از گونه­های مشابه، استخراج DNA و PCR قسمتی از ژن COI برای 10 نمونه تخم و لارو و توالی­یابی قسمتی از ژن COI برای دو نمونه لارو انجام گرفت. نتیجه بلاست توالی­ها در بانک ژن نشان داد که هر دو توالی مطالعه حاضر متعلق به گونه L. disparبا شباهت 99 تا 100 درصد می­باشد. هر چند این پروانه هنوز در بسیاری از مناطق جنگلی غرب مستقر نشده است اما با توجه به تهدید بالقوه این آفت برای بوم­سازه جنگل و عرصه وسیع فعالیت آن، باید اقدام بلافاصله و تلاش برای مدیریت کنترل جمعیت آن انجام شود.
 

کلیدواژه‌ها


عنوان مقاله [English]

The first report of Gypsy moth, Lymantria dispar (Lepidoptera: Lymantriidae) outbreak from northern Zagros forests and its identification using COI gene in Iran

نویسندگان [English]

  • M. Tavakoli 1
  • A. Hosseini-Chegeni 2
  • S. Khaghaninia 3
چکیده [English]

The Gypsy moth, Lymantria dispar (Lepidoptera: Lymantriidae) is one the most destructive defoliator pest of forests across world. The present study is the first report of outbreak and damage of this pest in Northern Zagros forests based on the field observations, sampling and laboratory assays to confirm the identification. In spring the larvae specimens were collected on the Oak (Quercus brantii, Q. infectoria, Q. libani) and other forest trees and shrubs. In order to rapid and accurate identification of the pest, DNA extraction and PCR amplification of the COI gene fragment was performed for ten specimens including eggs, larvae and adults, followed by sequencing of two larvae specimens. The Blast results revealed that two sequences belong to L. dispar species with 99-100% similarity  to other GenBank sequences. However, this species is not established yet in many western forests of Iran. But, due to the potential threats of the pest for the forest ecosystems and its widely flying activity, immediate action and efforts must be taken to control the pest population.
 
 

کلیدواژه‌ها [English]

  • Gypsy moth
  • Larvae
  • Marivan Kurdistan
  • Phylogenetic tree
  • COI gene
 
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