Chaetotaxy and armature of Ichthyocotylurus erraticus (Rudolphi, 1809) and I. variegatus (Creplin, 1825) cercariae (Digenea, Strigeidae)

Andrew Stuart Bell; D. I. Gibson; C. Sommerville

doi:10.1007/s004360050211

Chaetotaxy and armature of Ichthyocotylurus erraticus (Rudolphi, 1809) and I. variegatus (Creplin, 1825) cercariae (Digenea, Strigeidae)

Andrew Stuart Bell, D. I. Gibson, C. Sommerville

Biology

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The armature and chaetotaxy of Ichthyocotylurus erraticus (Rudolphi 1809) and I. variegatus (Creplin 1825) cercariae were studied using scanning electron microscopy (SEM) and silver staining of the argentophilic sensilla. This represents the first detailed investigation of the surface structures of cercariae belonging to this genus. Both species exhibited a similar armature, although differences were recorded in the number of spines comprising the pre-oral tuft and the number of rows of spines in the post-oral collar. The number and the distribution of sensilla were found to be identical for both species of cercariae. Four types of sensilla, common to both species, were identified that differed in cilia length and in the structure of the surrounding collar. The distribution of particular sensillary forms was found to be consistent in both species.

Original language	English (US)
Pages (from-to)	70-76
Number of pages	7
Journal	Parasitology Research
Volume	83
Issue number	1
DOIs	https://doi.org/10.1007/s004360050211
State	Published - Jan 1 1996

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Parasitology
General Veterinary
Insect Science
Infectious Diseases

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10.1007/s004360050211

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Chaetotaxy and armature of Ichthyocotylurus erraticus (Rudolphi, 1809) and I. variegatus (Creplin, 1825) cercariae (Digenea, Strigeidae)

Abstract

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