Isospora talpae Agostinucci, 1955
Type host: Talpa europaea Linnaeus, 1758, European mole.
Other hosts: None reported to date.
Type locality: EUROPE: Italy, near Rome.
Geographic distribution: EUROPE: Italy, Bulgaria.
Description of oocyst:
Oocyst shape: ellipsoid;
number of walls: 1 (line drawing) or 2 (described as double-contoured);
wall thickness: <1.0;
wall characteristics: smooth, thin, and becomes very thin at one end;
L x W: 17.8 x 11.9;
L/W ratio: 1.5;
Distinctive features of oocyst: ellispoid shape without OR or PG and wall becoming very thin at one end.
Description of sporocysts and sporozoites:
Sporocyst shape: piriform to ovoid;
L x W: 12.0 x 7.4;
L/W ratio: 1.6;
SB: present, large, nipple-like;
SR characteristics: compact mass of large granules (line drawing);
SP: sausage-shaped without RB (line drawing).
Distinctive features of sporocyst: large, protruding, nipple-like SB .
Prevalence: 3/28 (11%).
Sporulation: Exogenous. Oocysts sporulated in 3 days.
Prepatent and patent periods: Unknown.
Site of infection: Unknown. Oocysts recovered from feces and intestinal contents.
Materials deposited: None.
Remarks: The 1956 paper by Agostinucci, in which he decribes this species again, is identical to the 1955 paper. This species also was reported in 3/10 (30%) T. europaea by Golemansky (1979) from the Sreburna Reserve in Bulgaria. The oocysts he found were 12.5-13.8 x 10-11; sporocysts were 10-13 x 5.4-7.6.
References: Agostinucci 1955, 1956); Golemansky (1979).