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本文研究了卵跳小蜂对豆缘蝽 (R .clavatusThunberg)和豆璧蝽 (P .hybneriGmelin)卵的选择性和密度反应。在自由选择试验中 ,两种豆蝽卵中羽化的卵跳小蜂在不同的卵密度和比例中均选择豆缘蝽 ;而在非选择性试验中 ,从豆璧蝽中羽化的卵跳小蜂同时选择豆缘蝽和豆璧蝽卵 ,寄生率较高 ;然而 ,从豆缘蝽卵羽化的卵跳小蜂对豆璧蝽卵的寄生率非常低。嗅觉试验表明 ,从豆缘蝽卵上释放的气味对卵跳小蜂的搜寻和寄生行为影响很大。卵跳小蜂寄生的卵数量随着豆缘蝽和豆璧蝽卵密度的增加而提高 ;然而 ,卵跳小蜂对豆璧蝽的寄生率随着卵的密度增加而降低 ,尤其是从豆缘蝽卵中羽化的寄生蜂。研究还表明 ,卵跳小蜂在大田中对豆缘蝽卵的寄生存在着空间或时间上的障碍。
In this paper, we studied the selectivity and density response of egg-lipped bees to eggs of R. clavatus Thunberg and P. hybneri gmelin. In the free choice test, the two oviparous females ovipositioned in both ovipositional bugs chose Begonian Stinkbug in different egg densities and proportions; in the non-selective test, feathering eggs hopped from Beetle However, the parasitism rate of the eggs hopping from the legume bug is very low. Olfactory tests show that the odor released from the eggs of the Begonia troglodyus has a great influence on the search and parasitism of the ovipositor. The number of eggs parasitized by the eggs of the oviposition increased with the increase of the egg density of the legumes and the red beans; however, the parasitism rate of the eggs of the ovipositor insects decreased with increasing egg density, especially from beans Parasitoid feathering in the ovipositor eggs. The research also shows that there is a spatial or temporal obstacle to the parasitization of Begonia occidentalis eggs in the field.