Cereal aphids as prey species for mass rearing of Aphidoletes aphidimyza (Rond.) (Dipt., Cecidomyiidae) in the biological control of Myzus persicae (Sulz.) in greenhouses
Kuo Sell, H. L.
Cereal aphids as prey species for mass rearing of Aphidoletes aphidimyza (Rond.) (Dipt., Cecidomyiidae) in the biological control of Myzus persicae (Sulz.) in greenhouses Getreideblattlaeuse als Grundlage zur biologischen Bekaempfung der Pfirsichblattlaus, Myzus persicae (Sulz.), mit Aphidolestes aphidimyza (Rond.) (Dipt., Cecidomyiidae) in Gewaechshaeusern - 1989 - Printed
1 ill., 1 table; 23 ref. Summaries (De, En)
Laboratory tests indicate that the cereal aphids Sitobion avenae, Metopolophium dirhodum and Rhopalosiphum padi possessed higher nutritive value for the larvae of Aphidoletes aphidimyza than the green peach aphid Myzus persicae. Adult weight and egg production from larval reserve substances were significantly increased. The duration of larval and pupal stage and the rate of adult emergence were the same between the aphid species. Results of greenhouse experiments using an open rearing unit of A. aphidimyza on cereal aphids show that the predatory midge could reproduce in and disperse from the open rearing unit to successfully control populations of peach aphids on sweet pepper. In the midge treated greenhouses the aphid population densities remained at very low levels throughout the entire vegetation period. In the midge free greenhouses, however, population growth of the aphid increased very rapidly reaching peak population densities 4-5 weeks after aphid infestation. In two of the experiments midges were accidentally introduced into the midge free greenhouse. It became evident that the midge were able to suppress aphid populations effectively, even if the aphid density had reached a relatively high level. Cereal aphids are suggested as prey species for mass rearing of A. aphidimyza. The effectiveness of A. aphidimyza in suppressing aphid populations and the advantages of using open rearing unit in form of a 'cereal aphids- A. aphidimyza'-system for control greenhouse aphids are discussed
Dutch
0044-2240
Animals
Aphids
Arthropods
Biological control organisms
Buildings
Capsicum
Crops
Dicotyledons
Economic plants
Equipment
Flavouring crops
Fruit vegetables
Hemiptera
Homoptera
Insects
Invertebrates
Myzus
Pests of plants
Plants
Protective structures
Solanaceae
Spice crops
Tubiflorae
Useful arthropods
Vegetable crops
89-072166
Cereal aphids as prey species for mass rearing of Aphidoletes aphidimyza (Rond.) (Dipt., Cecidomyiidae) in the biological control of Myzus persicae (Sulz.) in greenhouses Getreideblattlaeuse als Grundlage zur biologischen Bekaempfung der Pfirsichblattlaus, Myzus persicae (Sulz.), mit Aphidolestes aphidimyza (Rond.) (Dipt., Cecidomyiidae) in Gewaechshaeusern - 1989 - Printed
1 ill., 1 table; 23 ref. Summaries (De, En)
Laboratory tests indicate that the cereal aphids Sitobion avenae, Metopolophium dirhodum and Rhopalosiphum padi possessed higher nutritive value for the larvae of Aphidoletes aphidimyza than the green peach aphid Myzus persicae. Adult weight and egg production from larval reserve substances were significantly increased. The duration of larval and pupal stage and the rate of adult emergence were the same between the aphid species. Results of greenhouse experiments using an open rearing unit of A. aphidimyza on cereal aphids show that the predatory midge could reproduce in and disperse from the open rearing unit to successfully control populations of peach aphids on sweet pepper. In the midge treated greenhouses the aphid population densities remained at very low levels throughout the entire vegetation period. In the midge free greenhouses, however, population growth of the aphid increased very rapidly reaching peak population densities 4-5 weeks after aphid infestation. In two of the experiments midges were accidentally introduced into the midge free greenhouse. It became evident that the midge were able to suppress aphid populations effectively, even if the aphid density had reached a relatively high level. Cereal aphids are suggested as prey species for mass rearing of A. aphidimyza. The effectiveness of A. aphidimyza in suppressing aphid populations and the advantages of using open rearing unit in form of a 'cereal aphids- A. aphidimyza'-system for control greenhouse aphids are discussed
Dutch
0044-2240
Animals
Aphids
Arthropods
Biological control organisms
Buildings
Capsicum
Crops
Dicotyledons
Economic plants
Equipment
Flavouring crops
Fruit vegetables
Hemiptera
Homoptera
Insects
Invertebrates
Myzus
Pests of plants
Plants
Protective structures
Solanaceae
Spice crops
Tubiflorae
Useful arthropods
Vegetable crops
89-072166