Life-table characteristics of the predatory gall midge Feltiella acarisuga | [Caractéristiques de la table de survie de la cécidomyie Feltiella acarisuga]
1999
Broedsgaard, H.F. ((Danish Institute of Agricultural Sciences, Slagelse (Denmark). Department of Crop Protection Research Centre Flakkebjerg)) | Jacobsen, S. | Enkegaard, A.
Life table characteristics of the predatory gall midge Feltiella acarisuga were investigated at 22 +/- 2 degrees C, 80-90/ r.h., L:D 16:8 with cucumber as host plant, spider mites as prey and honeydew either present or absent as food source for adults. Juvenile development time was approx. 20 days and the juveniles suffered a mortality of 22.1/. F. acarisuga's fecundity and innate capacity of increase was significantly increased with a continuous availability of fresh honeydew as compared to water: the fecundity increased to 24.4 eggs per female (2.4 times) and rm to 0.1128/day (1.6 times)
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