Isospora soricis Golemansky and Yankova, 1973
Type host: Sorex araneus Linnaeus, 1758, Eurasian common Shrew.
Other hosts: None to date.
Type locality: EUROPE: Bulgaria.
Geographic distribution: EIROPE: Bulgaria.
Description of oocyst:
Oocyst shape: ellipsoid;
number of walls: 1;
wall thickness: <1.0;
wall characteristics: thin, smooth, light yellow;
L x W: 24 x 17 (23-25 x 16-18);
L/W ratio: 1.5;
PG: sometimes 1.
Distinctive features of oocyst: ellipsoid shape.
Description of sporocysts and sporozoites:
Sporocyst shape: described as piriform (pear-shaped), but pictured as spheroid (line drawing);
L x W: 10.5 x 10.5;
L/W ratio: 1.0;
SR characteristics: tiny granules, dispersed;
SP: with one small RB at rounded end (line drawing).
Distinctive features of sporocyst: spheroid (piriform?) shape.
Prevalence: 1/17 (6%).
Prepatent and patent periods: Unknown.
Site of infection: Unknown. Oocysts recovered from feces and intestinal contents.
Materials deposited: None.
Remarks: This species has not been seen since its original description.
References: Golemansky and Yankova (1973).