What are the mouthparts of arthropods called?
Labrum. The labrum is a flat extension of the head (below the clypeus), covering the mandibles. Unlike other mouthparts, the labrum is a single, fused plate (though it originally was—and embryonically is—two structures). It is the upper-most of the mouthparts and located on the midline. What are the 2 important mouthparts of arthropods? There exist…