鳞翅目昆虫取食选择过程中的味觉可塑性

Plasticity in the process of host selection behaviours of lepidopteran caterpillars

植食性昆虫在长期的进化过程中形成了取食选择特性,这种取食选择行为往往具有一定的可塑性。鳞翅目昆虫幼虫下颚外颚叶上的栓锥感器能够感知外界味觉信息的变化,并通过中枢神经系统或体液调节等机制以实现取食选择行为可塑性。本综述简介了鳞翅目昆虫的味觉感受系统及味觉可塑性的主要影响因素。

Host selections were gradually formed in the chronic evolutionary process of herbivore insects.And the behaviours of host selection were of plasticity under specific conditions.The gustatory sensilla styloconica in maxillar of mouthpart of lepidopteran caterpillars could perceive the changing of taste information in environment,resulting in the desensitization of the taste neurons as well as the plasticity of the feeding behaviour to the corresponding compounds.The present paper review the taste system and main factors on the taste plasticity of lepidopteran insects.