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Effect of food plants on the offspring sex ratio of Diaeretiella rapae (Hymenoptera: Aphidiidae), a parasitoid of Lipaphis erysimi Kalt (Hemiptera: Aphididae)


, : Effect of food plants on the offspring sex ratio of Diaeretiella rapae (Hymenoptera: Aphidiidae), a parasitoid of Lipaphis erysimi Kalt (Hemiptera: Aphididae). Biological Agriculture and Horticulture, 92: 137-146

Laboratory studies showed that for mass rearing of Diaeretiella rapae, a parasitoid of Lipaphis erysimi, Brassica oleracea was the most suitable food plant.


Accession: 002355961

DOI: 10.1080/01448765.1993.9754627

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Related references

Abidi, A.Z.; Kumar, A.; Tripathi, C.P.M., 1988: Impact of males on the sex ratio of diaeretiella rapae mcintosh hymenoptera aphidiidae a parasitoid of lipaphis erysimi kalt. hemiptera aphididae. The present paper elucidated the impact of males on the sex ratio of female parasitoid, Diaeretiella rapae. Male parasitoid interfered with the oviposition ability of female and inhibited the fertilization of ovulating eggs. Results obtained show...

Shukla, A.N.; Tripathi, C.P.M.; Singh, R., 1997: Effect of food plants on the numerical response of Diaeretiella rapae (McIntosh) (Hymenoptera: Braconidae), a parasitoid of Lipaphis erysimi Kalt. (Hemiptera: Aphididae). The numerical aspects of interactions between Diaeretiella rapae and its host aphid Lipaphis erysimi bred on three different brassicaceous plants at different parasitoid densities were studied. When one, two, four or eight parasitoids were release...

Pandey, KP.; Kumar, A.; Tripathi, CPM., 1986: Numerical response of Diaeretiella rapae (M'Intosh) (Hymenoptera: Aphidiidae), a parasitoid of Lipaphis erysimi Kalt. (Hemiptera: Aphididae). The present paper elucidates the numerical response of Diaeretiella rapae. As the parasitoid density increases, the number of emerging offspring increases with a significant correlation. The rate of multiplication (= parasitoids egressed/parasitoi...

Abidi, AZ.; Kumar, A.; Tripathi, CPM., 1989: Impact of male on the longevity, fecundity and oviposition frequency, developmental period and the sex ratio on the offspring of Diaeretiella rapae (M'Intosh) (Hymenoptera, Aphidiidae), a parasitoid of Lipaphis erysimi Kalt. (Homoptera, Aphididae). The impact of the male on the biology and reproduction of Diaeretiella rapae, a braconid parasitoid of the aphid Lipaphis erysimi (a major pest of brassica crops) was investigated in the laboratory. The adult lifespan of female parasitoids was sli...

Kumar, A.; Abidi, AZ.; Tripathi, CPM., 1987: Impact of males on the area of discovery of Diaeretiella rapae (M'Intosh) (Hymenoptera: Aphidiidae), a parasitoid of Lipaphis erysimi Kalt. (Hemiptera: Aphididae). The impact of males on the area of discovery of females of Diaeretiella rapae parasitizing Lipaphis erysimi on Brassica campestris was studied in the laboratory. The area of discovery decreased linearly with numbers of female parasitoids, but as h...

Abidi, AZ.; Kumar, A.; Tripathi, CPM., 1988: Impact of males on the sex ratio of Diaeretiella rapae (Mcintosh) (Hymenoptera: Aphidiidae) a parasitoid of Lipaphis erysimi Kalt. (Hemiptera: Aphidiae ). The present paper elucidated the impact of males on the sex ratio of female parasitoid, Diaeretiella rapae. Male parasitoid interfered with the oviposition ability of female and inhibited the fertilization of ovulating eggs. Results obtained show...

Shukla, A.N.; Tripathi, C.P.M., 1993: Effect of food plants on the offspring sex ratio of Diaeretiella rapae , a parasitoid of Lipaphis erysimi Kalt. The sex ratio of Diaeretiella rapae was found to be density dependent. It was observed that the sex ratio decreased with the increase of parasitoid density. The decrease in the sex ratio, i.e. production of more males than females, was maximum in...

Shukla, A., N.; Tripathi, C.P.M.; Singh, R., 1997: Effect of food plant on the numerical response of Diaeretiella rapae (McIntosh) (Hymenoptera: Braconidae), a parasitoid of Lipaphis erysimi Kalt. (Hemiptera: Aphididae). The numerical aspects of interactions between Diaeretiella rapae and its host aphid Lipaphis erysimi bred on three different brassicaceous plants at different parasitoid densities were studied. When one, two, four or eight parasitoids were release...

Pandey, K.P.; Kumar, A.; Tripathi, C.P.M., 1990: The area of discovery of diaeretiella rapae mcintosh hymenoptera aphidiidae a parasitoid of lipaphis erysimi kalt. homoptera aphididae. The area of discovery of the parasitoid decreases linearly, while the killing power (k value) increases significantly, with the increase of parasitoid density. However, when host density increases, both the area of discovery and k value increase u...

Abidi, A.Z.; Kumar, A.; Tripathi, C.P.M., 1987: Impact of male on the functional response of diaeretiella rapae m'intosh hymenoptera aphididae a parasitoid of lipaphis erysimi kalt. homoptera aphidiidae. The functional response of the parasitoid Diaretiella rapae parasitising Lipaphis erysimi was studied for single female in the presence and absence of single male parasitoid at varied host densities viz. 1, 2, 5, 10, 25, 50, 100 and 200 aphids. Th...