生物学家认为,昆虫身上之所以会生出艳丽的颜色和各种图案,一定有其内在的原因。显然,这些颜色和图案至少具有某种防卫作用,能为昆虫提供一定程度的保护,因此被称为“保护色”。保护色可归纳为以下四大类: Biologists believe that the reason why insects produce bright colors and various patterns must have its own internal reasons. Obviously, these colors and patterns have at least some kind of defensive effect, and they can provide a degree of protection for insects, so they are called “protective colors”. Protection colors can be grouped into the following four categories: