Biological parameters for mass-rearing of the aphid parasitoid species, Aphelinus albipodus hayat and fatima, hymenoptera: aphelinidae.
2010
El-Heneidy, A.H. | El-Husseni, M.M.
Aphids are among the serious insect pests attacking several plants. Among their most important aphid parasitoids species is, Aphelinus albipodus Hayat and Fatima (Hymenoptera: Aphelinidae). Basic biological parameters of A. Albipodus, i.e. longevity, fecundity, host preference and storage of mummies, as basic contributions to the information needed for its mass rearing were studied under laboratory conditions. All produced adults of A. albipodus were females, mean longevity (days) of adult stage, with and without feeding on honey was estimated as 10.85±0.82 days, when fed, and 1.44±0.12 days, when starved. Total number of eggs/ female was 67.9±7.21 (30-110) (egg/ female) on Rhopalosiphum padi L. Obtained results considered for mass rearing suggested that the aphid species, Sitibion avenae was the favorite aphid species for rearing A. albipodus based on both total number of mummies/cage and percentage of emergence. Highest emergence rates (94.49%) were estimated at 15°C in mummies stored for one week. Lowest number of mummies/ female (19.6 ± 2.89 mummies) was recorded at 12°C, in mummies stored for four weeks. A. albipodus can be used in winter crops as a biocontrol agent against the aphid species, Aphis craccivora Koch, S. avenge and R. padi
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