SEASONAL PARASITISM AND HYPERPARASITISM OF WALNUT APHID, CHROMAPHISJUGLANDICOLA
(HOM.: APHIDIDAE) IN TEHRAN PROVINCE

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RAKHSHANI E.; TALEBI ALI ASGHAR; SADEGHI SEYED EBRAHIM; KAVALLIERATOS N.G.; RASHED A.

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Journal: Journal of Entomological Society of Iran Year:2004 | Volume:23 | Issue:2 Page(s): 131-134

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Title

SEASONAL PARASITISM AND HYPERPARASITISM OF WALNUT APHID, CHROMAPHISJUGLANDICOLA (HOM.: APHIDIDAE) IN TEHRAN PROVINCE

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Keywords

CHROMAPHIS JUGLANDICOLAQ4

PARASITISMQ3

HYPERPARASITISMQ4

TEHRANQ2

Abstract

Seasonal PARASITISM and hyper PARASITISM of walnut aphid, CHROMAPHIS JUGLANDICOLA (Kaltenbach) were studied in TEHRAN. Five species including two primary parasitoids, Trioxys pallidus Haliday (Hym.: Braconidae: Aphidiinae) and Aphelinus asychis Walker (Hym.: Aphelinidae) as well as three hyperparasitoids, Alloxysta citripes Thompson (Hym.: Cynipidae), Pachyneuron aphidis (Bouche) (Hym.: Pteromalidae) and Syrphophagus aphidivorus (Mayr) (Hym.: Encyrtidae) were identified and the seasonal fluctuations in their population were accounted. Trioxyspallidus appeared to be fully synchronized and adapted to C. juglandicola, but A. asychis was recovered on occasion, and it seems poorly adapted to walnut aphid or its habitat. The population of T pallidus was observed to be fluctuated during the season. Population fluctuation of the parasitoid marked by a spring population peak, following changes in its host densities, and a summer disappearance, which was followed by a weak autumnal increase. Trioxys pallidus over winters as summer-winter or winter diapause mummies on the soil after leaf fall. The efficacy of T pallidus revealed to be restricted mainly by Alloxysta citripes which seemed to be a specialized hyperparasitoid of this wasp species. The two other hyper parasitoids, Pachyneuron aphidis and Syrphophagus aphidivorus were seemed to be more generalist.

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APA: Copy

RAKHSHANI, E., TALEBI, ALI ASGHAR, SADEGHI, SEYED EBRAHIM, KAVALLIERATOS, N.G., & RASHED, A.. (2004). SEASONAL PARASITISM AND HYPERPARASITISM OF WALNUT APHID, CHROMAPHISJUGLANDICOLA (HOM.: APHIDIDAE) IN TEHRAN PROVINCE. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), 23(2), 131-134. SID. https://sid.ir/paper/48020/en

Vancouver: Copy

RAKHSHANI E., TALEBI ALI ASGHAR, SADEGHI SEYED EBRAHIM, KAVALLIERATOS N.G., RASHED A.. SEASONAL PARASITISM AND HYPERPARASITISM OF WALNUT APHID, CHROMAPHISJUGLANDICOLA (HOM.: APHIDIDAE) IN TEHRAN PROVINCE. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI)[Internet]. 2004;23(2):131-134. Available from: https://sid.ir/paper/48020/en

IEEE: Copy

E. RAKHSHANI, ALI ASGHAR TALEBI, SEYED EBRAHIM SADEGHI, N.G. KAVALLIERATOS, and A. RASHED, “SEASONAL PARASITISM AND HYPERPARASITISM OF WALNUT APHID, CHROMAPHISJUGLANDICOLA (HOM.: APHIDIDAE) IN TEHRAN PROVINCE,” JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), vol. 23, no. 2, pp. 131–134, 2004, [Online]. Available: https://sid.ir/paper/48020/en

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