Crossword-Solution: PALPS 5 letters, 27 clues 🏆 scrabble score: 9

There is thus nothing to prevent our referring this structural adaptation in Pronuba yuccasella to processes of selection, which have gradually transformed the maxillary palps of the female into the sickle-shaped instrument for collecting the pollen, and which have at the same time developed in the insect the instinct to press the pollen into the pistil.

Below the head, however, may be seen, now coiled up like a watch-spring, now stretched out to draw the nectar from some scented blossom, the butterfly's sucking trunk or proboscis, situated between a pair of short hairy limbs or palps (fig.

These palps belong to the appendages of the hindmost segment of the head, appendages which in insects are modified to form a hind-lip or _labium_, bounding the mouth cavity below or behind.

Head of a typical Moth, showing proboscis formed by flexible maxillae (_g_) between the labial palps (_p_); _c_, face; _e_, eye; the structure _m_ has been regarded as the vestige of a mandible.

The labium was the equivalent of the hyoid, the labial palps and maxillipedes the equivalent of the "hyoid" elements which form the branchial arches.