نفوذ سوسک هسته خرما Coccotrypes dactyliperda (Coleoptera, Curculionidae, Scolytinae)به میوه درخت Phoenix canariensis

نوع مقاله : مقاله کامل، انگلیسی

نویسنده

School of Agricultural, Environmental and Veterinary Sciences; Charles Sturt University; PO Box 789; Albury NSW 2640, Australia

10.61186/jesi.43.4.2

چکیده

سوسک هسته خرما(Coccotrypes dactyliperda Fabricius, 1801)  در بذر خرما نقب زده و لاروهایش،  ضمن تغذیه از آلبومین دانه، موجب ایجاد دالان‌های جدید می‌شود. در بررسی های قبلی که هدف آن بررسی محل نفوذ حشره در بذور بدون گوشت بود مشخص شد که حشره، شیار پشتی دانه را برای نفوذ ترجیح می‌دهد. در ادامه آن، در تحقیق حاضر، محل ترجیحی حشره برای نفوذ در میوه‌های کامل بررسی شد. این مطالعه در 100 تکرار، هر تکرار شامل یک میوه کامل به همراه یک حشره انجام شد. این مطالعه نشان داد که سوسک‌ها ترجیح می‌دهند که در شیار پایک نفوذ کنند، در حالی که تمام بخش‌های دیگر به طور قابل‌توجهی کمتر مورد حمله قرار می‌گیرد. در نوشتار حاضر، شیوه تغذیه حشره و پیامدهای آن مورد بحث قرار گرفته است.

چکیده تصویری

نفوذ سوسک هسته خرما Coccotrypes dactyliperda (Coleoptera, Curculionidae, Scolytinae)به میوه درخت Phoenix canariensis

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Penetration of Phoenix canariensis drupes by the date stone beetle Coccotrypes dactyliperda (Coleoptera, Curculionidae, Scolytinae)

نویسنده [English]

  • Dirk Spennemann
School of Agricultural, Environmental and Veterinary Sciences; Charles Sturt University; PO Box 789; Albury NSW 2640, Australia
چکیده [English]

Date stone beetles (Coccotrypes dactyliperda Fabricius, 1801) tunnel into palm seeds to establish brood galleries with their larvae consuming the seed’s albumen. Prior work examining the location of the initial penetration holes in de-fleshed seeds had shown a preference for the dorsal groove. This paper presents the data of a follow-up experiment that examined the preferences for penetration holes on complete drupes. Using 100 repeats of a single freshly harvested drupe offered to a single beetle, the study found an overwhelming preference for the beetles to penetrate the drupe at the pedicel scar, with all other sectors significantly less utilised. The implications of this are discussed.   

کلیدواژه‌ها [English]

  • Spermatophagy
  • feeding behavior
  • locomotion
  • activity patterns
  • palmae
  • insect biology

© 2023 by Author(s), Published by the Entomological Society of Iran

This Work is Licensed under Creative Commons Attribution-Non Commercial 4.0 International Public License.

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