On the Nematode genus Globocephalus Molin, 1861

Abstract

The material on which this paper is based was received by Prof. R. T. Leiper from several sources, and includes specimens collected in British Guiana by the Filariasis Commission, in West Africa by Dr. Yale Massey, and in New Guinea by Dr. G. M. Heydon. In addition there was a tube received from Dr. O'Connor from Samoa labelled on the outside of the bottle “Pig, Samoa, Ank. Duod. from intestine,” and inside (presumably by Dr. Clayton Lane) “Crassisoma samoense.” It contained specimens of the latter species only. The type material of Lane's two new species from the pig was also available for examination.

Globocephalus urosubulatus (Alessandrini, 1909) (Nematoda: Ancylostomatidae) in Brazil: a morphological revisitation

“…Measurements are shown in micrometers as the mean followed by the range, or as otherwise indicated. Taxonomic classification of nematodes was in accordance with Cameron (1924), Freitas & Lent (1936), Vicente et al (1997) and Anderson et al (2009).…”

“…There are few taxonomic studies for the genus Globocephalus. Even the original descriptive articles have limitations in their morphological and morphometric data, which makes it necessary to update these data again (Lane, 1922;Cameron, 1924;Freitas & Lent, 1936), as in studies by Nanev et al (2007) for G. urosubulatus collected from wild boars in Bulgaria and Ahn et al (2015) to provide morphological features, and measurements of various parts of the adult nematodes by both light and scanning electron microscopies from G. samoensis in wild boars from South Korea. This is the first study to describe ultrastructural aspects of G. urosubulatus in Brazil, in the world most studies for this species were based on ligth microscopy, but in this study the use of SEM made it possible to observe the mouth opening, distribution of cephalic papillae, deirids, vulva and a panorama of the male's tail, in addition to the presence of a pair of papillae present in the female's tail.…”

Identification and Prevalence of <i>Globocephalus samoensis</i> (Nematoda: Ancylostomatidae) among Wild Boars (<i>Sus scrofa coreanus</i>) from Southwestern Regions of Korea

“…Although this is the first report in South Korea, the prevalence of the parasite in pigs from nearby countries has been previously reported. For instance, the prevalence of G. samoensis in wild boars or domestic pigs reported from China [ 12 ], India [ 15 ], and New Guinea [ 14 ] was 4.0%, 11.4%, and 48.5%, respectively. Furthermore, it was also reported in a wild boar which died by a traffic accident from Japan [ 13 ].…”

“…4 ). The identification keys in this article were adapted from Anderson [ 10 ], Cameron [ 14 ], Maplestone [ 15 ], Chen [ 12 ], Ortlepp [ 16 ], and Kagei et al [ 13 ].…”

“…Measurements were made under a light microscope (Axioscop, Zeiss, Germany) on body parts of adult male and female worms. Species identification of the worm was based on the description by Cameron [ 14 ], Maplestone [ 15 ], Chen [ 12 ], Ortlepp [ 16 ], and Kagei et al [ 13 ].…”