Chordodes oscillatus Kirjanova 1953

Villalobos, Cristina De, Zanca, Fernanda & Spiridonov, Sergei, 2007, Fine morphology of the cuticle surface of Chordodes anthophorus and reinterpretation of C. aquaeductus, C. ferganensis and C. oscillatus (Gordiida Nematomorpha), Zootaxa 1397, pp. 39-45 : 44

[ Chordodes oscillatus Kirjanova 1953 ]

( Figs. 3 E–3F)

1953. Chordodes oscillatus Kirjanova Soobsc. Akad. Nauk. Gruz. SSR 14: 101.

Type: 1 female ( ZIS 102)

Type locality: Georgia, Tbilisi

Material examined: Holotype SEM midbody

Host: indetermined mantid (Kirjanova 1953).

Description: Cuticle of the female holotype contains areoles of five types ( Figs 3 E, 3F). Most abundant are oval areoles (simple areoles) with or without short bristles at the apical surface ( Fig. 3 E). Scattered among these areoles are tubercle areoles ( Fig. 3 E). The other two types are crowned areoles with short filaments on top and are surrounded by about 12 and 18 circumcluster areoles ( Fig. 3 F). Along the ventral and dorsal midline, there is another type of crowned areoles with long filaments, also surrounded by circumcluster areoles.

Dimensions: Female length 240 mm, diameter 2.5 mm (Kirjanova 1953).

Comments: One female specimen from Georgia, Tbilisi was described by Kirjanova (1953) as Chordodes oscillatus , with six areolar types. Our analysis by SEM shows that the cuticle of this specimen ( Figs. 3 D, 3E) presents the same 5 areolar types as the lectotype of C. anthophorus . Therefore we regard C. oscillatus as a synonym of C. anthophorus .

Figures

FIGURE 3. Cuticle of the midbody: (A) specimen labelled as “ Chordodes moutoni ” (ZIS 97); (B) [Chordodes aquaeductus] (ZIS 90); (C and D) [Chordodes ferganensis] (ZIS 100); (C) Cuticle of the body with simple, tubercle, crowned and circumcluster areoles (numbering as in Fig. 1 B), (D) Cluster of crowned areoles with long filaments (5) along the ventral midline; (E and F) [Chordodes oscillatus] (ZIS 102), midbody cuticle showing four areolar types with the same characteristics of Chordodes anthophorus. Bars: (A and C): 20 µm; (B, and F): 20 µm; (D): 50 µm; (E): 10 µm.