Head broad, quadrangular, about as wide as long. Clypeus with 

 frontal emargination expanded within, so that the bounding sides are 

 pincer-like in shape, the points almost touching, thus nearly enclosing 

 the emargination. Antennae arise far in front of the middle of the head 

 and are sexually dimorphic. Antennae of male with 1st 2 segments larger 

 than the others; 3rd segment diagonally truncate and expanded with or 

 without an appendage. Abdomen narrow, elongate, with 2 parallel lateral 

 bands on each side. Posterior abdominal segment in male pointed, that 

 of female, rounded or truncate. Members of this genus are parasitic on 

 birds of the subfamilies Cygninae and Anserinae. 



Ornithobius goniopleurus Denny, 1842 



Ovnithobius goniopleurus Denny, 1842. 



184, pi. 23, fig. 2. 

 Ornithobius atromarginatus Denny, 1842. 



185, pi. 23, fig. 3. 

 Type host: Branta canadensis (Linnaeus) 



Mon. Anopl. Brit.: 60 and 

 Mon. Anopl. Brit.: 60 and 

 -Canada Goose. 



This is the only species of the genus Ornithobius to be found in 

 New England and easily recognizable by the presence of a forcipate 

 clypeal margin. 0. goniopleurus is a common parasite of the Canada 

 Goose. Wilson (1928) reports it from New York, Peters (1928) from Ohio, 

 Peters (1936) Georgia and New Hampshire, Brimley (1938) North Carolina, 

 and Spencer (1947) from British Columbia. 



Specimens Host 



1 9 



4 9, 1 cf 



5 9, 1 cf 

 4 9, 1 cT 



6 9, 6 cf 

 1 9. 2 cf 

 1 slide 



Branta canadensis 



Locality 



Bar Harbor, Me. 



Vassalboro, Me. 



Plum Island, Mass. 

 II II II 



Exeter, NH 

 Newmarket , NH 

 Rye, NH 



Date 



V-10-1938 

 X-30-1959 

 X-16-1965 

 X-30-1965 

 X-16-1964 

 X-26-1964 

 X-24-1932 



Collector 



A.E.B. 



R.Nash 



D.Penny , Jr. 



L.Noyes 



D.Gallup 



D.Gallup 



L.R.Nelson 



(USNM) 



Measurements: Ornithobius goniopleurus Denny, 1842, 



cf 



117 



