The proboscis is a long, slender organ that is found in adult butterflies and moths. It is used for feeding, and it is similar in function to a straw or a drinking straw.

The proboscis is formed from the fusion of the maxillary and labial palps, which are small, finger-like appendages located near the mouth. In butterflies, the proboscis is often coiled or folded when not in use, but it can be extended and uncoiled when the butterfly needs to feed.

Butterflies use their proboscis to feed on nectar from flowers and other sources of sugar. They extend the proboscis into the nectar, where it absorbs the liquid through capillary action. The proboscis is highly flexible and can be shaped to fit into narrow or awkward spaces, allowing the butterfly to access a wide variety of food sources.

In addition to feeding, the proboscis can also be used for other purposes, such as cleaning the antennae or other parts of the body. Some species of butterflies also use their proboscis to collect pollen or other substances from plants or other surfaces.

Overall, the proboscis is a key adaptation that allows butterflies to feed efficiently and to survive in a wide range of environments.

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