Strictly speaking, a bug is an insect in the group Hemiptera – it must have piercing mouthparts. Cicadas are Hemiptera, but spiders aren't. Often though, 'bug' means a creepy-crawly in everyday conversation. It refers to land arthropods with at least six legs, such as insects, spiders, and centipedes.
Strictly speaking, a bug is an insect in the group Hemiptera – it must have piercing mouthparts. Cicadas are Hemiptera, but spiders aren't. Often though, 'bug' means a creepy-crawly in everyday conversation. It refers to land arthropods with at least six legs, such as insects, spiders, and centipedes.