sandfly(redirected from Sand gnat)
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any of various two-winged flies, especially those of the genus Phlebotomus, which are important vectors in the transmission of leishmaniasis and phlebotomus fever.
sandfly fever phlebotomus fever.
A small, biting, dipterous midge of the genus Phlebotomus or Lutzomyia; a vector of leishmaniasis.
1. Any of various small biting flies of the genus Phlebotomus of tropical areas, some of which transmit diseases.
2. See biting midge.