The key characteristic to identifying insects belonging to the order Thysanoptera (thrips) is:

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Multiple Choice

The key characteristic to identifying insects belonging to the order Thysanoptera (thrips) is:

Explanation:
Fringed wings are the defining feature of thrips. These insects have very narrow wings with long, hair-like fringes along the edges, a distinctive look that gives the order its name and makes them recognizable even at small sizes. While thrips do feed using specialized piercing-sucking mouthparts, that trait isn’t as useful for quick identification as seeing the fringed wings. So the presence of fringed wings is the best clue to identify insects belonging to this order.

Fringed wings are the defining feature of thrips. These insects have very narrow wings with long, hair-like fringes along the edges, a distinctive look that gives the order its name and makes them recognizable even at small sizes. While thrips do feed using specialized piercing-sucking mouthparts, that trait isn’t as useful for quick identification as seeing the fringed wings. So the presence of fringed wings is the best clue to identify insects belonging to this order.

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