labrum

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Abbreviation:

Lr

Variants:

Pl. labra; Adj. labral

Definition:

The median preoral appendage articulated with the clypeus by the clypeolabral suture. In adult mosquitoes, lying anterior to the mandibles in the premental gutter; the labrum forms the food meatus. In mosquito larvae, its adoral surface is represented by the median labral plate; its oral surface by the labropalatum. In mosquito pupae, long and slender and continuous with the clypeus.

Synonyms:

Adults: anteclypeus, clypeal fossa (in part), dorsal labral sclerite(in part), dorsal plate(in part)epipharynx (in part), labium, labrum-epipharynx, sting, upper lip. Pupae: labral sheath, labrum sheath, sheath of labrum.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...