proboscis

noun

(pl. proboscides, proboscises) Plants: A specialized leaf or leaf extension consisting mainly of costa, that may bear gemmae, as in Calymperaceae and in Streptopogon.
An anterior, often tubelike or troughlike extension, coming from and extending anterior to the head region. The proboscis is usually not a part of the digestive system.
Insects: The coiled tube through which adult butterflies and moths imbibe nectar and other fluids. A genus of Mosquitoes (Culicidae)