Often I find myself referring to any insect as a bug unless I know specifically what it is, such as a dragonfly, butterfly or praying mantis. However, upon trying to identify an insect I found out that bugs are insects but not all insects are bugs.
Insect and bug are often used interchangeably but from an entomological standpoint they are different. Insect refers to an arthropod with six jointed legs, an exoskeleton, generally two pairs of wings, and a body consisting of a head, thorax and abdomen.
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| All insects have six legs like this green shield bug |
Insects are divided into 25 orders and one order, Hemiptera, classifies bugs. The largest order, Coleoptera, classifies beetles.
Some common bugs include aphids, cicadas, water striders, stinkbugs and spittlebugs. Common beetles include fireflies, ladybird beetles and cucumber beetles.
What is the difference between a bug and a beetle?
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