Which mosquito mouthpart is a long, tubular structure used for piercing and sucking?

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Study for the Maryland Pesticide Applicator Category 8 Test for Mosquito Control. Explore multiple choice questions with hints and explanations. Prepare effectively to succeed!

Multiple Choice

Which mosquito mouthpart is a long, tubular structure used for piercing and sucking?

Explanation:
The mouthpart that fits this description is the proboscis. It’s a long, slender, tubular feeding structure that the mosquito extends to pierce the skin and suck up blood. Inside the proboscis are the sharp mouthparts (the stylets) that do the piercing, while saliva with anticoagulants helps the blood flow. The siphon, by contrast, is a larval breathing tube used at the water surface, not a feeding tool in adults. Bridge vector and reservoir host are epidemiology concepts describing disease transmission roles, not anatomy.

The mouthpart that fits this description is the proboscis. It’s a long, slender, tubular feeding structure that the mosquito extends to pierce the skin and suck up blood. Inside the proboscis are the sharp mouthparts (the stylets) that do the piercing, while saliva with anticoagulants helps the blood flow. The siphon, by contrast, is a larval breathing tube used at the water surface, not a feeding tool in adults. Bridge vector and reservoir host are epidemiology concepts describing disease transmission roles, not anatomy.

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