Eimeria darjeelingensis Sinha and
Synonyms: Eimeria sp. Sinha and
Type host: Suncus murinus
(Linnaeus, 1766), House shrew.
Type locality: ASIA: India,
West Bengal, Darjeeling. alt. 2000 m.
Geographic distribution: ASIA: India.
Description of oocyst: Oocyst shape:
number of walls: 2;
wall thickness: 0.3 (?);
wall characteristics: smooth, of uniform thickness;
L x W: 16.7 x 14.9 (15-19 x 13-18);
L/W ratio: 1.1;
Distinctive features of oocyst: very thin, smooth wall.
Description of sporocysts and
Sporocyst shape: ovoid;
L x W: 8.0 x 5.6 (7-9 x 5-6.5);
L/W ratio: 1.4;
SR characteristics: scattered, small granules;
SP: sausage-shaped (line drawing), 4.5 x 1.6 (4-5.5 x 1-2), but no
obvious RB (line drawing);
Distinctive features of sporocyst: small size of SPs which do not fill
Prevalence: 1/4 (25%).
Sporulation: Exogenous. Oocysts
sporulated in 38-52 hours in 2.5% potassium dichromate solution
at 13-16º C.
Prepatent and patent periods:
Site of infection: Sinha and
Sinha (1980) described several endogenous stages from epithelial
and subepithelial cells of the mucosa in "pieces of intestine"
from the only host animal that also was passing unsporulated
oocysts (see original paper).
Materials deposited: None.
Remarks: Sinha and
Sinha (1980) may actually have confused the Sps with the RBs,
which may be the actual structures measured. It is possible that
the asexual stages they describe represent those of a different
coccidian species, since development of Eimeria species
often is relatively synchronous and oocysts already were being
discharged in the feces. Unfortunately, these tissue sections
were not deposited into any known museum. This species has not
been reported since its original description.
Sinha and Sinha (1980).