Doğancan KÂHYA, Asime Filiz ÇALIŞKAN KEÇE, Mehmet Rifat ULUSOY

Aenasius arizonensis Girault (Hymenoptera: Encyrtidae)’in Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)’i parazitlemede tercih ettiği biyolojik dönemlerin belirlenmesi

Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)’in etkili parazitoiti olan Aenasius arizonensis Girault (Hymenmoptera: Encyrtidae)’in konukçusunu parazitlemede hangi biyolojik dönemlerini tercih ettiğini belirlemek amacıyla Seçimsiz (No-choice) ve Seçilimli (Choice) olarak denemeler kurulmuştur. Sonuç olarak; A. arizonensis’ in seçimsiz ve seçimli olarak yürütülen her iki denemede de P. solenopsis‘in üçüncü nimf dönemini % 30’un üzerinde, ergin dişilerini %70’in üzerinde parazitlediği saptanmıştır. A. arizonensis ‘in konukçusunun birinici ve ikinci nimf dönemlerini, hareketli ve daha küçük yapıda olmaları nedeniyle tercih etmediği tespit edilmiştir.

Anahtar Kelimeler:

Aenasius arizonensis¸ Phenacoccus solenopsis, Biyolojik Mücadele

The determination of host biological stages preferred by Aenasius arizonensis Girault (Hymenoptera: Encyrtidae) ‘in parasitization of Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)

This study was conducted to determine the host stage preference of the parasitoid, Aenasius arizonensis Girault (Hymenoptera: Encyrtidae), on Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae). No-choice and choice experiments were carried out. There was approximately 30% parasitism of the third nymphal stage and more than 70% parasitism of female adults. This parasitoid does not parasite the first and second nymphal stage of P. solenopsis because these stages are smaller and more mobile than the third nymphal stage and adult females.

Keywords:

Aenasius arizonensis¸ Phenacoccus solenopsis Biological Control, hoststage preference,

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