Abdomen ovoid with tergal plates of segment II approximate or in con- 

 tact medially, and joined together by well marked secondary scleroti- 

 zation. 



Ward (1955) reports this species from Virginia, Ohio, Louisiana, 

 Minnesota, and Georgia. 



Specimens Host Locality Date Collector 



2 cf Sterna hirundo Greenland, NH IX-2-1965 J.E.K. 



Saemundssonia tringae (0. Fabricius, 1780) 



Tediculus tringae 0. Fabricius, 1780. Fauna Groenlandica: 219. 

 DoGophorus canuti Denny, 1842. Mon. Anopl. Brit.: 44 and 84, pi. 



3, fig. 5. 

 Docophorus fusiformis Denny, 1842. Mon. Anopl. Brit.: 44 and 84, 



pi. 1, fig. 2. 

 Docophorus variabilis Denny, 1842. Mon. Anopl. Brit.: 42 and 71, 



pi. 3, fig. 4. 

 Docophorus alpinus Giebel, 1874. Insecta Epizoa: 105. 

 Docophorus lari Grube, 1851 (nee 0. Fabricius, 1780). 



Middendorf f 's sibir. Reise: 473. 

 Docophorus arcttcus Mjoberg, 1910. Ark. Zool., 6: 122, fig. 69. 

 Saemundssonia grubi Eichler, 1942. Zool. Anz., 139: 31 (nn for 



D. lari Grube, 1851). 

 Type host: Erolia maratima (Brunnich) — Purple Sandpiper. 

 Other New England hosts: 



Arenaria interpres (Linnaeus) — Ruddy Turnstone. 



Calidris canutus (Linnaeus) — Knot. 



Erolia melanotos (Vieillot) — Pectoral Sandpiper. 



Erolia minutilla (Vieillot) — Least Sandpiper. 



Erolia alpina (Linnaeus) — Dunlin. 



Ereunetes pusillus (Linnaeus) — Semipalmated Sandpiper. 



Crocethia alba (Pallas) — Sanderling. 



Head with dorsal anterior plate markedly concave on anterior mar- 

 gin. Tergal plates of abdominal segment II joined medially in both 

 sexes and the dorsal abdominal setae do not form a continuous line 

 across each segment, occurring only along the posterior margins of the 

 tergal plates. Male genitalia with a sclerotized cross-bar at the 

 distal end of the basal plate; endomeral projections fused medially. 



Measurements: Saemundssonia tringae (0. Fabricius, 1780). 

 (from Clay and Hopkins, 1954) 



d 9 



Head Length .55 .62 



Head Width .51 .59 



Pterothorax Width .38 .47 



Abdomen Width .65 .83 



Total Length 1.47 1.67 



154 



