On Oviposition in the Brown Planthopper, <i>Nilaparvata lugens</i> (STÅL) (Hom., Auchenorrhyncha)

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  • トビイロウンカの産卵について
  • トビイロウンカ ノ サンラン ニ ツイテ エイブン 2
  • II. The Number of Eggs in an Egg Group, Especially in Relation to the Fecundity
  • 第2報 卵塊卵粒数と産卵能力との関係

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Abstract

1. The distribution pattern for the size of egg groups laid in leaf blades and sheaths of rice plants was generally very skew, but that in rice seedlings was not so skew.<br>2. The number of eggs in an egg group deposited in rice seedlings was smaller than that in the blades and sheaths.<br>3. There were little differences in the size of egg groups between macropterous and brachypterous females.<br>4. Though fecundity was remarkably influenced by temperature, the size of egg groups was not affected as far as seedlings were used for oviposition plant.<br>5. It may be difficult to know the fecundity of individuals by examining the number of eggs in an egg group deposited in rice seedlings.

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