Living With Anal Papillae

Mosquito larva

Mosquito larva

Mosquito larvae are aquatic, but have never adapted to breathing underwater. Instead, mosquito larvae must come to the surface of the water to breathe oxygen. Mosquito larvae have an extensions of their hindgut called anal papillae. The anal papillae form a tube that protrudes above the surface of the water when creating. Hairs at the end of the tube lay on the surface of water where they repel and prevent water from entering the tube.

The anal papillae have another function, absorption of salts from dilute fresh water. The salt concentration within a mosquito larva is higher than the salt concentration in fresh water. The anal papillae are involved in transporting salts against a concentration gradient. The anal papillae exchange protons and waste ammonia for other cations that are necessary for mosquito growth and development.

About jjneal

Jonathan Neal is an Associate Professor of Entomology at Purdue University and author of the textbook, Living With Insects (2010). This blog is a forum to communicate about the intersection of insects with people and policy. This is a personal blog. The opinions and materials posted here are those of the author and are in no way connected with those of my employer.
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2 Responses to Living With Anal Papillae

  1. Pingback: Living With Anal Papillae – Entomo Planet

  2. Jaccob says:

    Please suggest me best diet plan for anal papillae

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