تأثیر تغییرات فصلی بر فعالیت جستجوگری موریانه زیرزمینیAnacanthotermes vagans (Isoptera: Hodotermitidea)

نوع مقاله: مقاله کامل، فارسی

نویسندگان

1 گروه گیا‌ه‌پزشکی، دانشکده کشاورزی، دانشگاه ولی‏عصر(عج) رفسنجان، رفسنجان

2 گروه گیاهپزشکی دانشگاه ولی عصر رفسنجان و کارشناس سازمان میراث فرهنگی استان یزد

3 مرکز تحقیقات گیاهپزشکی ایران، ولنجک، تهران، ایران

چکیده

فعالیت جستجوگری موریانه‌های زیرزمینی به‌شدت تحت تأثیر شرایط محیطی بوده و ارتباط مستقیم با خسارت‌زایی آن‌ها دارد و این تغییرات فصلی فعالیت جستجوگری می‌تواند بر موفقیت کنترل موریانه‌های زیرزمینی با استفاده از روش سیستم طعمه‌گذاری تأثیرگذار باشد. موریانه زیرزمینی Anacanthotermes vagans (Hagen) (Isoptera: Hodotermitidae)  به‌عنوان یک آفت شهری مهم در مرکز و نواحی جنوبی ایران مطرح است. این مطالعه با هدف تعیین اثر تغییرات فصلی بر فعالیت جستجوگری و میزان تغذیه چوب در اکوسیستم شهری و در شهر یزد و در یک بازه زمانی دوساله (تیر 1392 تا خرداد 1394) انجام شد. تغییرات جستجوگری این‌گونه با سه متغیر تعداد ایستگاه‌های فعال، جمعیت جستجوگر و میانگین تغذیه چوب که از نمونه‌برداری ماهانه 85 ایستگاه ردیاب و 15 ایستگاه تغذیه‌ای به دست آمد، مورد ارزیابی قرار گرفت. نتایج این پژوهش نشان داد فعالیت جستجوگری موریانه زیرزمینی A. vagans، به طور کامل فصلی است. فعالیت جستجوگری این‌گونه پس از یک توقف سه‌ماهه در اسفند آغاز می‌شود و در تیر و مرداد به بالاترین میزان می‌رسد. مقایسه الگوی تغییرات فعالیت جستجوگری با نوسانات میانگین دما و میزان بارندگی ماهانه نشان داد تغییرات فصلی فعالیت جستجوگری در گونه مورد مطالعه در ارتباط مستقیم با تغییرات دما است. علاوه بر آن به نظر می‌رسد کاهش شدید و ناگهانی دما در زمستان می‌تواند سبب کاهش جمعیت کلنی‌ها شود.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of Seasonal Changes in Foraging Activity of a Subterranean Termite Anacanthotermes vagans (Isoptera: Hodotermitidae)

نویسندگان [English]

  • Mahdi Ziaaddini 1
  • Marzie Saffar 2
  • Rahim Ghayourfar 3
1 Department of Crop Protection, Agriculture College, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
2 Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan and Yazd Cultural Heritage & Tourism Organization, Iran
3 Iranian Institute of Plant Protection, Velenjak, Teheran, Iran
چکیده [English]

Foraging behavior of subterranean termites is strongly influenced by environmental conditions and is related directly to termite damages. The seasonal changes in foraging activity of subterranean
termits can affect the efficacy of baiting method in a management program. The subterranean termite,
Anacanthotermes vagans (Hagen) (Isoptera: Hodotermitidae)is an important urban pest with economic damage in central and southern regions of Iran. The objective of this study was to determine the effect of seasonal changes on foraging activity and wood consumption in Yazd over a two-year period
(June 2013 to May 2015). Foraging variations were monitored according to three variables including active stations, foraging population and wood consumption. 85 monitoring and 15 feeding stations monthly inspected. The results showed that foraging activity of A. vagans, is completely seasonal and begins after a quarterly stop in March and was highest from July to August. Comparison of
foraging activity pattern changes with mean of temperature fluctuations and monthly precipitation showed seasonal changes in foraging activity is directly related to temperature. In addition, it appears the sharp decline in winter temperature may reduce the population of colony.

کلیدواژه‌ها [English]

  • Monitoring station
  • Foraging seasonal pattern
  • Feeding station
  • TERMITE
  • Yazd

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