| profilicollis botulus (van cleave, 1916) from diving ducks and shore crabs of british columbia. | adults of profilicollis botulus were found in 6 species of diving ducks in british columbia including 3 new hosts: common goldeneye, bucephala clangula (l.); barrow's goldeneye, b. islandica (gmelin); and greater scaup, aythya marila (l.). the identification of the species was verified by the examination of co-types and specimens from eider ducks, somateria mollissima (l.), from scotland and oldsquaw, clangula hyemalis (l.), from new brunswick. cystacanths from the hairy shore crab, hemigrapsus ... | 1989 | 2918442 |
| profilicollis botulus (acanthocephala) abundance in the eider duck (somateria mollissima) on the ythan estuary, aberdeenshire. | the abundance of profilicollis botulus was monitored in eider ducks for 3 years. no significant difference in p. botulus abundance was found between eiders taken alive and those collected dead from the shore line, or between adult males and adult females. adult male eiders had a seasonal pattern of infection. incubating female eiders lost their infection in almost all cases, suggesting that a seasonal pattern of infection must also occur in these birds. eiders in their first winter had p. botulu ... | 1985 | 4080420 |