All animals lived in families kept under ad libitum laboratory conditions in semi-enclosures.

以家庭為單位生存的所有動物被置于半圈養(yǎng)的實驗室條件下黄色最新在线免费，自由取食和飲水激激激激激激情。

In the 2-year field experiments, host plant preference and dispersal of the rice water weevil adults of the 1st generation emerged from the 1st cropping season rice were measured on newly transplanted plants of different species and/or growth stage. The weevil preferred significantly to barnyardgrass over Leersia herxandr and Cyperus difformis L with rice at the least, while the age of the plant did not affect such preference. But mean size of feeding scar in on younger plants were larger than in older plants.

在田間自由選擇條件下，一代稻水象甲成蟲對稗草的選擇性顯著高于對水稻的選擇久久播天天翘天天综合网；稻水象甲對不同生育期的稗草激情乱伦色图、水稻的選擇沒有顯著影響；對李氏禾和莎草的選擇高于水稻黄网站色视频网站免费观看，低于稗草亚洲激情欧美；較幼嫩的植物上的取食斑總長度、取食斑平均長度比較老的植物的要長欧美老年人性爱视频。