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  • Title: Mouthparts of Megaselia scalaris (Loew) (Diptera: Phoridae).
    Author: Sukontason K, Sukontason KL, Piangjai S, Boonchu N, Chaiwong T, Vogtsberger RC.
    Journal: Micron; 2003; 34(8):345-50. PubMed ID: 14680919.
    Abstract:
    Mouthparts of adult Megaselia scalaris (Loew), a fly species of medical importance, were examined using scanning electron microscopy. Sexual dimorphism of the labellum was observed in the mouthpart structures of this species. The labella of males were clothed with a dense covering of microtrichia, but these were found to be entirely absent from the labella of females. Aside from this difference, trichoid and conical sensilla that are most likely used as taste or contact chemoreceptors appear on the labellum and labrum of both sexes. In addition, five pairs of sharply pointed teeth at the ventral surface of the labellum is another feature that is shared by the two sexes. A plausible feeding mechanism for this fly is also advanced.
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