Type host: Spermophilus fulvus (Lichtenstein, 1823)

Other hosts: S. erythrogenys.

Type locality: Asia: Kazakhstan, Arma-Ata, Chimkiant and Kzyl-Ordin regions.

Description of oocyst: Oocyst shape: ovoid or ellipsoid; wall thickness: 2.1-3.4; layers: 3; outer layer proportion of total thickness: not given; general colour: brown-yellow to light brown; outer layer colour: not given; outer layer texture: rough; middle layer striated, inner layer smooth; micropyle: absent; OR: absent; PG: absent; size: 33.0 x 27.3 (29-39 x 23-31); L/W ratio: 1.2. Distinctive features of oocyst: thick, three-layered wall with distinctly striated middle layer.

Description of sporocysts and sporozoites: Sporocyst shape: elongate-ovoid; size: 15.4 x 10.1 (14-16 x 9-11); SB: present; SB L x W: not given; SB characteristics: not given; SSB: absent; PSB: absent; SR: present; SR characteristics: not given; SR size: not given; SP: comma- or pear- shaped, 9.2 x 3.6 (8.4-10.3 x 3.0-4.8). Distinctive features of sporocyst: none.

Remarks: Eimeria berkinbaevi has been observed only by Abenov & Svanbaev (1979) and Abenov (1980). The size and general description are similar to E. lateralis, but the oocyst is described as having three wall layers, the middle wall is "striated," and a PG is lacking.

References: Abenov (1980); Abenov & Svanbaev (1979).