Abstract
Oviposition habits on artificial diet and efficient methods for egg collection and diet replacement were studied in the alfalfa weevil, Hypera postica (Gyllenhal). The eggs were laid inside both the block type artificial diet and alfalfa fresh leaf stem, while abundantly laid on the surface of the flake type artificial diet. Both egg collection and diet replacement were the easiest when the insects were fed on granular diet using a cup with a gauze bottom. The eggs were collected most efficiently, when the female adults were supplied the diet during the light period (8 h) and allowed to oviposit in empty cups during the dark period (16 h).
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