An Enquiry into the Cause and Extent of a Special Colour-Relation between Certain Exposed Lepidopterous Pupae and the Surfaces which Immediately Surround Them
An Enquiry into the Cause and Extent of a Special Colour-Relation between Certain Exposed Lepidopterous Pupae and the Surfaces which Immediately Surround Them
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对某些暴露的鳞翅目蛹与其周围表面之间特殊颜色关系的原因和程度的调查
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通讯作者：
E. Poulton
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作者：
E. Poulton
本研究是在探讨鳞翅目幼虫与其食物植物颜色关系的基础上进行的。在寻找受周围表面反射的光影响的幼虫感觉器官时，遇到了很大的困难，因为这种影响在整个幼虫生命中的作用是缓慢的。因此，在每只毛毛虫的一生中，必须通过五次致盲来消除单眼，而且皮肤总是有可能比平常早一点脱落，在这种情况下，整个实验的成功可能会受到威胁，因为眼睛的覆盖物会随着皮肤的其余部分而改变。看来，在蛹的颜色关系中，这种影响很可能必须在一个短暂而严格限制的时间内起作用，在这个时间内，可以进行实验，很有希望成功地分离出有效的感觉器官。
The present investigation grew out of the enquiry into the colour-relation between Lepidopterous larvae and their food-plants. In the search for the larval sense-organ which is affected by the light reflected from surrounding surfaces, great difficulty was experienced from the fact that the influences work slowly through the whole of larval life. Thus the ocelli must be eliminated by blinding five times in the life of each caterpillar, and there is always the chance of the skin being thrown off a little earlier than usual, in which case the success of the whole experiment might be endangered, for the coverings of the eyes are changed with the rest of the skin. It seemed probable that in the pupal colour-relation the influence must act during a short and rigidly limited time, in which experiments could be conducted with much hope of a successful isolation of the effective sense-organs.