Evelyn Cecil Muschamp d'Assis Fonseca (1899–1993) was a British dipterist of Brazilian birth.
[2] His mother, along with her other children, had come to Britain by 1911, and set up house in Bristol.
[8] He was responsible for formally naming a number of fly species, including: He authored two volumes in the Royal Entomological Society of London's Handbooks for the Identification of British Insects series: His extensive Diptera collection is now in the Hope Entomological Collections of the Oxford University Museum of Natural History.
Fonseca's seed fly, the rarest endemic insect in the UK, is named after Fonseca, who described the type specimen.
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