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61 thick-headed flies species
Physocephala nigra
Thecophora abbreviata
Myopa buccata
Myopa testacea
Myopa fasciata
Myopa tessellatipennis
Physoconops bulbirostris
Thecophora nigripes
Sicus ferrugineus
Physoconops townsendi
Thecophora fulvipes
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