| parasites of waterfowl, from southwest texas: iii. the green-winged teal, anas crecca. | seventy of 72 green-winged teal, anas crecca, from southwest texas were infected with parasites. seventeen species of endoparasites were recorded: notocotylus attenuatus, zygocotyle lunata, typhlocoelum sisowi, echinostoma revolutum, hypoderaeum conoideum, dendritobilharzia pulverulenta, cloacotaenia megalops, sobolevicanthus gracilis, sobolevicanthus krabbeella, gastrotaenia cygni, amidostomum acutum, amidostomum anseris, tetrameres crami, echinuria uncinata, corynosoma constrictum, polymorphus ... | 1981 | 6788963 |