larvae of botfly or oestridae, vintage engraving

ancient antique art artwork black bot botfly bott cuterebrinae dermatobia diptera disease drawing engraved engraving etching fauna flesh fly gad gadfly gasterophilinae gut heel hominis hypodermatinae illustration infection infestation insect internal larvae maggot myiasis oestridae oestrinae old parasite picture sickness skin stomach tissue vector vintage warble white