Haplometra cylindracea

Haplometra cylindracea is a trematode parasite of frogs. Adult worms measure usually 10 mm and they are located in the lungs. H. cylindracea develops through 2 intermediate hosts: the first, a freshwater snail, the second, a water beetle.[2]

Haplometra cylindracea
Scientific classification
Kingdom:
Animalia
Phylum:
Platyhelminthes
Class:
Trematoda
Subclass:
Digenea
Order:
Plagiorchiida
Suborder:
Plagiorchiata
Family:
Plagiorchiidae
Genus:
Haplometra
Species:
H. cylindracea
Binomial name
Haplometra cylindracea
(Zeder, 1800)[1]

Morphology

Adult worms are usually 10 mm long and they have elongate, cylindrical body. Ventral sucker is smaller than oral sucker. Eggs are dark brown in colour and measures 220 µm. Cercariae contains characteristic stylet.

Hosts

Definitive hosts are frogs. H. cylindracea was documented in Rana temporaria, Rana esculenta, Rana ridibunda, Rana dalmatina, Rana arvalis, Bufo spp., Bombina spp.[3]

First intermediate host is snail from family Lymnaeidae, i.e. Galba truncatula, Lymnaea palustris, Radix spp.[4]

References
  1. NCBI Taxonomy browser - Haplometra
  2. Flynn's Parasites of Laboratory Animals.
  3. Smyth, J. D.; Wakelin, Derek (1994-11-24). Introduction to Animal Parasitology. Cambridge University Press. ISBN 9780521428118.
  4. Smyth, J. D.; Wakelin, Derek (1994-11-24). Introduction to Animal Parasitology. Cambridge University Press. ISBN 9780521428118.


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