Observations on the morphology and taxonomy of two <i>Parachordodes</i> species (Nematomorpha, Gordioida, Chordodidae) in southern New England (USA)

Smith, Douglas G.

doi:10.1111/j.1469-7998.1991.tb03829.x

Cited by 17 publications

(10 citation statements)

References 8 publications

(10 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…About 320 species of gordiids have been described globally (Bresciani, 1991). Only 14 species have been described from the United States (Chandler, 1985;Smith, 1991Smith, , 1994; de Miralles and de Villalobos, 1995). Of these, Gordius robustus Leidy, 1851, Paragordius varius Leidy, 1856, and Chordodes morgani Montgomery, 1898, are the most widely distributed species in the United States (Chandler, 1985).…”

mentioning

confidence: 99%

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Hanelt¹,

Janovy²

2002

Journal of Parasitology

View full text Add to dashboard Cite

The nonadult stages, egg strings, eggs, larvae, and cysts of Gordius robustus, Paragordius varius, and Chordodes morgani are described morphometrically. The goal was to document the differences between species and to evaluate the usefulness of morphometrics in species identification. In concert, multivariate analysis of variance (MANOVA) and univariate analysis of variance (ANOVA, a posteriori contrasts) statistical tests demonstrated that each species is morphometrically distinguishable from all others. Additionally, discriminant function analysis indicated that postseptum length, pseudointestine length, and stylet width were the most important variables in the discrimination of species based on larval characters. Finally, differences in oviposition behaviors among these 3 species were found. It is suggested that ovipositioning differences may place larvae into distinct niches and may ultimately lead to the use of different paratenic hosts by different gordiid species.

show abstract

mentioning

confidence: 99%

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Hanelt¹,

Janovy²

2002

Journal of Parasitology

View full text Add to dashboard Cite

show abstract

“…Only 14 species have been described from the United States (Chandler, 1985;Smith, 1991Smith, , 1994; de Miralles and de Villalobos, 1995). Of these, Gordius robustus Leidy, 1851, Paragordius varius Leidy, 1856, and Chordodes morgani Montgomery, 1898, are the most widely distributed species in the United States (Chandler, 1985).…”

mentioning

confidence: 99%

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Hanelt¹,

Janovy²

2002

The Journal of Parasitology

View full text Add to dashboard Cite

“…resembles that of G. lineatus. However, in G. lineatus the circumcloacal spines are thin and long Smith 1991). The broad and tube-like circumcloacal spines of G. lokaaus n. sp.…”

Section: Taxonomymentioning

confidence: 91%

Two new Gordionus species (Nematomorpha: Gordiida) from the southern Rocky Mountains (USA)

Begay

Schmidt‐Rhaesa

Bolek

et al. 2012

Zootaxa

View full text Add to dashboard Cite

The phylum Nematomorpha contains approximately 350 species in 19 extant genera. The genus Gordionus contains 56species, four of which occur in the contiguous United States of America. Here we describe two new Gordionus speciesfrom the southern Rocky Mountains. Worms were collected at three sites in the Santa Fe National Forest in northern NewMexico in the southernmost tip of the Rocky Mountains. Sites consisted of first order streams above 3120m in aspen/pinewoodland. Gordionus lokaaus n. sp. has flat, polygonal or roundish, areoles covering all parts of the body. The male cloa-cal opening is surrounded by broad bristles with stout apexes forming a unique tube-like opening. Adhesive warts aresmall and postcloacal spines are thin and triangular-shaped. Gordionus bilaus n. sp. also has flat polygonal or roundshaped areoles, but has indistinct interareolar furrows making neighboring areoles appear fused. The male cloacal openingis surrounded by stout, finger-like bristles in 2‒3 rows. Adhesive warts are larger and postcloacal spines are broad andmound-shaped. These species double the number known from the state of New Mexico and are the first gordiids described from the southern part of the Rocky Mountains.

show abstract

Observations on the morphology and taxonomy of two Parachordodes species (Nematomorpha, Gordioida, Chordodidae) in southern New England (USA)

Cited by 17 publications

References 8 publications

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Morphometric Analysis of Nonadult Characters of Common Species of American Gordiids (Nematomorpha: Gordioidea)

Two new Gordionus species (Nematomorpha: Gordiida) from the southern Rocky Mountains (USA)

Contact Info

Product

Resources

About