Eylem AKMAN GÜNDÜZ, Özgür VARER IŞITAN, Adem GÜLEL, Ali BOZ, Pelin POLAT

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Açlık süresince parazitoit Bracon hebetor Say, 1836 (Hymenoptera: Braconidae)’un lipit, toplam şeker ve glikojen kompozisyonu

Açlığın, braconid türü, Bracon hebetor Say, 1836 (Hymenoptera: Braconidae)’un lipit, toplam şeker ve glikojen miktarına etkisi laboratuar koşullarında araştırılmıştır. B. hebetor erginleri 10 gün aç bırakılmıştır. Dişi ve erkek parazitoitlerdeki lipit konsantrasyonu açlık süresince diğer besin kaynaklarıyla karşılaştırıldığında, sürekli olarak azalma göstermiştir. Dişilerde, erginleşmeyi takiben toplam şeker seviyesi hafif bir şekilde azalmış ve azalma ergin hayatın ilk beş günü devam etmiştir. Sonraki günlerde dişiler, ufak dalgalanmalara rağmen az çok sabit şeker seviyesine sahip olmuştur. Erkeklerde, toplam şeker konsantrasyonu, açlığın başlangıcında azalmış, daha sonra sabit kalmıştır. On gün aç bırakılan dişi ve erkek parazitoitlerin glikojen kaynakları, ilk 24 saatte bir pik yaptıktan sonra deney periyodu süresince yavaş şekilde azalmıştır.
Anahtar Kelimeler:

Bracon hebetor, açlık, lipit, toplam şeker, glikojen

Lipid, total sugar and glycogen composition in the parasitoid, Bracon hebetor Say, 1836 (Hymenoptera: Braconidae) during starvation

The effect of starvation on lipid, total sugar and glycogen contents of braconid species, Bracon hebetor Say, 1836 (Hymenoptera: Braconidae) was examined under laboratory conditions. Adults of B. hebetor were starved for up to ten days. Lipid concentration in female and male parasitoids declined consistently throughout the starvation period when compared with the other nutrient reserves. In females a mild decline in total sugar levels followed emergence and continued through the fifth days of life. On subsequent days females had more or less a stable level of total sugar with slight oscillations. In males, total sugar concentration decreased at the beginning of starvation and remained constant over starvation period. The glycogen reserves of female and male parasitoids that had been starved for ten days reached a peak in 24 h and then declined slightly during experimental period.
Keywords:

Bracon hebetor, starvation, lipid, total sugar, glycogen,

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Türkiye Entomoloji Bülteni-Cover
  • ISSN: 2146-975X
  • Başlangıç: 2011
  • Yayıncı: Türkiye Entomoloji Derneği
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