The oldest insect fossil is a wingless springtail insect found in the middle Devonian strata 350 million years ago. The body of this insect has been clearly divided into three parts: head, thorax and abdomen. The emergence of the thorax as the center of movement clearly represents the birth o...
Mecopteran insects are generally called scorpion flies. There are about 500 species known in the world, with more species in the northern hemisphere. Most occur in forests, canyons or areas with dense vegetation. They are small in number and not common. They mostly feed on dead soft-bodied in...
In addition to a pair of long tail whiskers, the tail of this type of insect also has a middle tail filament, hence the name tassel. The body is 4-20 mm long, narrow and tapered at the end, and the body surface is often covered with scales. The antennae are long, filamentous, and have sharp e...
There are some magical phenomena in nature, such as individual female animals eating male animals after mating. This phenomenon is called "sexual cannibalism". Which animals can cannibalize their own kind? What strategies do males use to avoid being eaten? The dangers of...