Which order is described as cicadas, scales, and aphids?

Which order is described as cicadas, scales, and aphids?

• A. Homoptera
• B. Hemiptera
• C. Diptera
• D. Coleoptera

Answer: (A)

Cicadas, scales, and aphids are grouped together in the same traditional order because they share feeding habits and development characteristics that set them apart from other insects. They all have piercing-sucking mouthparts for feeding on plant sap, and their life cycles involve stages that resemble adults rather than a distinct pupal stage. Historically, these traits were used to lump them into Homoptera, the order name that encompasses these plant-feeding true bugs. That makes Homoptera the best label for describing this set. In newer classifications, these insects are often placed within the broader Hemiptera group with further subdivisions, but the question aligns with the classic teaching that groups cicadas, scales, and aphids under Homoptera. The other orders listed describe very different groups: Diptera are flies (two wings), and Coleoptera are beetles (with hard elytra).

Cicadas, scales, and aphids are grouped together in the same traditional order because they share feeding habits and development characteristics that set them apart from other insects. They all have piercing-sucking mouthparts for feeding on plant sap, and their life cycles involve stages that resemble adults rather than a distinct pupal stage. Historically, these traits were used to lump them into Homoptera, the order name that encompasses these plant-feeding true bugs. That makes Homoptera the best label for describing this set.

In newer classifications, these insects are often placed within the broader Hemiptera group with further subdivisions, but the question aligns with the classic teaching that groups cicadas, scales, and aphids under Homoptera. The other orders listed describe very different groups: Diptera are flies (two wings), and Coleoptera are beetles (with hard elytra).