Evelyn Cecil Muschamp d'Assis Fonseca (1899–1993) was a British dipterist of Brazilian birth.British census 1921, British 1939 register His birth-place is given as Peri-peri.note: many places in Brazil bear this name; from other entries on this census page, it is likely that this one is near Rio de Janeiro His mother, along with her other children, had come to Britain by 1911, and set up house in Bristol.1911 census of England & Wales. Around 1920 he became a student of engineering at the University of Bristol, and then developed a career, also in Bristol, as an aeronautical engineer and designer, continuing to reside in Bristol up to his death in 1993.GRO register of deaths Bristol 3011D 285 How he developed an interest in entomology is at present not known.
In 1932 he married Muriel Cressy Tucker (1906–2002).GRO register of marriages Mar 1932 Deptford 1d 1298GRO register of births Sep 1906 Muriel Cressy Tucker Penzance 5c 201GRO register of deaths Muriel Cressy D'Assis-Fonseca 2002(Q1) Bristol 3011A A40C 215 They had two children.1939 register
He was responsible for formally naming a number of fly species, including:
Dolichopus subpennatus Fannia collini Fannia pseudonorvegica Fannia subatripes Alliopsis similaris Heterostylodes caledonicus
He authored two volumes in the Royal Entomological Society of London's Handbooks for the Identification of British Insects series:
Handbooks for the Ident. of British Insects. Cyclorrhapha Calyptrata section (b) Muscidae (1968) Handbooks for the Ident. of British Insects. Brachycera : Dolichopodidae (1978)
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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