Effects of dry and germinating wheat on feeding behaviour and growth of larvae of the prairie grain wireworm, ctenicera aeripennis destructor (brown) (coleoptera: elateridae)¹
1959
DAVIS, G.R.F.
If larvae start to feed on dry or germinating wheat, they take as auch food, and a similar proportion of embryo and endosperm, at each feeding. However, they feed twice as frequently on germinating wheat than on dry wheat, and therefore consume twice as much of the former than of the latter. It is suggested that an olfactory attractant may diffuse out from germinating wheat. The larvae gained as much weight on embryo or endosperm as on whole kernels of germinating wheat. The gain in weight on each of these foods was significantly greater than on hard seeds. Forty-four percent of those provided with whole dry seeds, 22 percent with whole germinating seeds, 26 percent with endosperm and 18 percent with embryo of germinating wheat moulted during the 28-day period. No diapause occurred in larvae fed only on endosperm of germinating wheat for 80 days.
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