<Li> A crater on Mars was named in his honor . </Li> <Li> The larval stage of parasitic fluke called "redia" is named after Redi by another Italian zoologist, Filippo de Filippi, in 1837 . </Li> <Li> The Redi Award, the most prestigious award in toxinology, is given in his honor by the International Society on Toxinology . The award is made at each World Congress of IST (generally held every three years) since 1967 . </Li> <Li> A scientific journal Redia, an Italian journal of zoology, is named in his honor, which was first published in 1903 . </Li>

Where did the flies and maggots come from