tzetze fly

from WordNet (r) 3.0 (2006)

tzetze fly
    n 1: bloodsucking African fly; transmits sleeping sickness etc.
         [syn: {tsetse fly}, {tsetse}, {tzetze fly}, {tzetze},
         {glossina}]

from The Devil's Dictionary (1881-1906)

TZETZE (or TSETSE) FLY, n.  An African insect (_Glossina morsitans_)
whose bite is commonly regarded as nature's most efficacious remedy
for insomnia, though some patients prefer that of the American
novelist (_Mendax interminabilis_).