Are Spiders Classified as Insects?

Anyway, spiders belong to the Class Arachnida, insects to the Class Insecta. Arachnids are as distant from insects, as birds are from fish.

Why is spider not considered as an insect?

Spiders, and other species in the Arachnida group, have eight legs with only two body parts as well as eight eyes. A spider's head and thorax are fused while their abdomen is not segmented. Spiders also do not have distinct wings or antennae like insects.

Are spiders insects?

So, there you have it. Mystery solved. Spiders are neither bugs (Hemiptera) nor insects (Insecta) but a Class all their own – Arachnida, or arachnids. This Class includes not just spiders; but scorpions, mites and ticks as well.