Cornicle of Aphid (Aphis gossypii) was seen under foldscope (APAC, Kalavai).

Feb 26, 2019 • 11:57 PM UTC

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The cornicle (or siphuncule) is one of a pair of small upright backward-pointing tubes found on the dorsal side of the 5th or 6th abdominal segments of aphid.

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