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Diagnostic Morphology of the Third-Stage Larvae of Angiostrongylus cantonensis, Angiostrongylus vasorum, Aelurostrongylus abstrusus, and Anafilaroides rostratus (Nematoda: Metastrongyloidea)

Lawrence R. Ash
The Journal of Parasitology
Vol. 56, No. 2 (Apr., 1970), pp. 249-253
DOI: 10.2307/3277651
Stable URL: http://www.jstor.org/stable/3277651
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Diagnostic Morphology of the Third-Stage Larvae of Angiostrongylus cantonensis, Angiostrongylus vasorum, Aelurostrongylus abstrusus, and Anafilaroides rostratus (Nematoda: Metastrongyloidea)
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Abstract

A morphological study was made of the third-stage larva of 4 species of lungworms, Angiostrongylus cantonensis, Angiostrongylus vasorum, Aelurostrongylus abstrusus, and Anafilaroides rostratus. The larvae were readily distinguished from one another by a combination of size measurements and the character of the termination of the tail. The morphology of the tip of the tail was sufficiently distinct to separate these 4 species on this character alone, but the possibility of lungworm species with as yet undescribed larval stages being identical to these cannot be ruled out.

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