TABLE 1. Classification of Cestode Species Infective to Man.
|
|
Geographical
distribution |
Normal host for adult
stage |
Intermediate stage host |
egg/proglottid
morphology for species identification |
|
Cyclophyllidea |
|
|
|
|
|
Taeniidae: Taenia
solium
Taenia
saginata |
-Both
species found in C/S America, Africa, SE Asia and China |
-Humans
-Humans |
-Pigs
-Cattle
and buffalo |
-Eggs
of both species identical, 30-45mm
in diameter. T.saginata
proglottids motile. |
|
Hymenolepididae: Hymenolepis
nana
Hymenolepis
diminuta |
-Widespread
-Widespread |
-Rodents
-Rodents |
-Beetles
/ insects
-Beetles
/ insects |
-Eggs
30-47mm
with polar filaments
-Eggs
70-85mm,
brownish colour |
|
Dilepididae:
Dipylidium
caninum |
-Widespread |
-Domestic
dogs |
-Fleas |
-Eggs
(40-50mm)
in groups of 6-12 in capsules. |
|
Anoplocephalidae: Bertiella
studeri Bertiella
mucronata
Inermicapsifer
madagascariensis |
-E/C
Africa, India, Phillipines and SE Asia
-S.
America, Cuba
-C.
Africa, Cuba |
-Old
World monkeys
-New
World monkeys
-Rodents |
-Oribatid
mites
-Oribatid
mites
-Arthropods
(?) |
-Eggs
of B. mucronata 40-45mm,
and B. studeri 50-60mm.
Proglottids of both wider than long.
-Eggs
of I.m similar, but without
piriform apparatus |
|
Davaineidae:
Raillietina
species |
-Polynesia,
Indonesia and Thailand |
-Rodents |
-Various
arthropods |
-Eggs
40-50mm |
|
Pseudophyllidea |
|
|
|
|
|
Diphyllobothriidae:
Diphyllobothrium
species |
-Widespread,
especially around seas/lakes/rivers |
Humans,
dogs, felids, mustelids, bears |
Fresh-
and salt-water fish |
eggs
ovoid, 40-60mm
with lid-like operculum. |