M. dumetellae (Zeliff, 1943)

Type host. Grey catbird, Dumetella carolinensis (Linnaeus) ( Passeriformes: Mimidae).

Type locality. Adams County, Pennsylvania, USA.

Remarks. This species was originally described as Cyclocoelum dumetellae Zeliff, 1943, but it was considered to be a synonym of Cyclocoelum (Hyptiasmus) elongatum Harrah, 1921 by Dubois (1959). Yamaguti (1958) transferred it to Morishitium . Rudimentary oral sucker present—Zeliff (1943).

= Nοt present. 1Estimated frοm figure in the οriginal descriptiοn.