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Paronchocerca mansoni sp.nov. from Pica pica sericea (Gould) and Caynopica cyana interposita Hartert, Peking, China, with Observations on the Genus Paronchocerca Peters, 1936

Published online by Cambridge University Press:  18 November 2009

Ernest Carroll Faust
Ernest Carroll Faust
Affiliation:
Department of Tropical Medicine and Public Health, Tulane University, New Orleans, Louisiana
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Extract

A new species of filarial worm, Paronchocerca mansoni, a cardiac parasite of Pica pica sericea (Gould) and Cyanopica cyana interposita Hartert, is reported from Peking, China. The thread-like adults of both species taper towards anterior and posterior ends. The cuticle exhibits superficial rugae, with multiple transverse striations underneath. The lipless mouth is surrounded by 4 paired submedian papillae and one lateral pair of amphids. The posterior end of the body is curved ventrad; the post-anal region is short. The male measures 17 mm. long and 0·14 mm. in diameter; the female, 35·8 mm. long by 0·23 mm. in diameter. In both sexes the anterior muscular oesophagus is short, the posterior glandular portion much longer. In the male, there are two pairs of pre-anal and one pair of post-anal papillae, likewise one pair of subterminal caudal papillae. There are neither caudal alae nor gubernaculum. The longer left spicule and the shorter right one have distinct species-characteristic morphological patterns. In the female, the vulva opens approximately 2·0 mm. from the anterior end. The microfilariae are sheathless; immature ones preponderate in heart blood; mature ones, present in heart blood and exclusively in circulating blood, measure 147 to 184 by 6·0 to 6·5 microns.

Type
Research Papers
Information
Journal of Helminthology , Volume 40 , Issue 1-2 , June 1966 , pp. 53 - 62
Copyright
Copyright © Cambridge University Press 1966

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