. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 51 LOUSE OF DUCKS. {Trinoton luridum Nitzsch.) Redi seems to have been the first to give meution of this very com- mon species, it being figured in the Exper., PI. xii, as the lonse of the Teal. It is also figured by Albin (PI. 46) under the same common name as quoted by Denny. Kitzsch described it in 1818 under the name given above, and the species has been fortunate enough not to have received any other designation since, although it hasbeeu mentioned in most of the works referring to the parasites of domestic
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 51 LOUSE OF DUCKS. {Trinoton luridum Nitzsch.) Redi seems to have been the first to give meution of this very com- mon species, it being figured in the Exper., PI. xii, as the lonse of the Teal. It is also figured by Albin (PI. 46) under the same common name as quoted by Denny. Kitzsch described it in 1818 under the name given above, and the species has been fortunate enough not to have received any other designation since, although it hasbeeu mentioned in most of the works referring to the parasites of domestic fowls or the parasites of birds. It is a very common species and occurs on a great many different species of ducks^ ' so that it is unnecessary to try and enumerate the hosts. So far as we have seen or can learn from rec- ord, however, it is not known to occur en birds outside of the duck family {Anatidw). Its nearest ally is the goose louse, to be mentioned next, and it is easily distinguished from that by the dif- ference in size and the more distinct markings in this species. The markings are shown in the accompany- ing figure, their distribution on the head, thorax, and abdomen being clearly indicated ; the abdomen is a fig. ssâTrinoton luri- trifle narrower and the sides a little more parallel ''""'â 'Original.) than in some specimens observed. It is 4 to 5 millimetres in J>s?;«(S5'4s"' \. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology. Washington : G. P. O.
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