Sawfly (noun)

1. An insect in the order Hymenoptera that is closely related to wasps and bees, known for its saw-like ovipositor used to lay eggs in plants.
2. A type of insect that feeds on the leaves and needles of trees and shrubs.

Origin:

From the word "saw" meaning a tool for cutting wood, and "fly" meaning an insect, as the sawfly"s larvae resemble the tool and the adult fly resemble an insect.

Examples:

1. The sawfly larvae defoliated the entire apple tree.
2. The sawfly is a common pest of coniferous trees.
3. The sawfly is a type of insect that feeds on the leaves and needles of trees and shrubs.
4. The sawfly larvae are often confused with the larvae of moths and butterflies.
5. The sawfly is a common pest of fruit trees, causing damage to leaves and fruit.