Vignysa Bouché, 1970

Gérard, Sylvain, Marchán, Daniel Fernández, Navarro, Alejandro Martinez, Hedde, Mickaël & Decaëns, Thibaud, 2023, Resampling Bouché’s historical localities reveals three new species and helps identifying a new genus of earthworms (Oligochaeta, Hormogastridae and Lumbricidae) in Southeastern France, Zoosystema 45 (23), pp. 749-768 : 758-759

Genus Vignysa Bouché, 1970

TYPE SPECIES. — Lumbricus teres Dugès, 1828: 289 .

DIAGNOSIS. — Small-to-medium-sized species without cutaneous pigmentation. Prostomium prolobous. Transversal furrows on segments I-II. Setae closely paired. Male pores in 15/16 with well-developed porophores. Spermathecal pores in 9/10, 10/11, simple. Nephridial pores aligned. Clitellum between XIV and XXIX (1/2 XXX). Two gizzards in VI-VII. Typhlosole lyre- or Y-shaped. Two pairs of spermathecae, disc-shaped or tubular. Two pairs of seminal vesicles in XI-XII. Nephridial bladders fish-hook shaped with caeca from the first segments.

Vignysa callasensis n. sp.

Vignysa teres

50 km

Vignysa vedovinii

INCLUDED SPECIES. — Vignysa teres ( Dugès, 1828: 289) ; Vignysa vedovinii Rota, 1994: 27 ; Vignysa callasensis Gérard, Decaëns & Marchán , n. sp.

DIVERSITY AND DISTRIBUTION. — This genus currently comprises three species occurring in Southeastern France, from Montpellier (Hérault, Occitanie) to the north of Fréjus (Var, Occitanie), and from the Mediterranean Sea to the 44th north parallel ( Fig. 8 ).

Figures

FIG. 8. — Distribution of Vignysa callasensis Gérard, Decaëns & Marchán, n. sp. (star) and its closest relatives (circles) in Southern France. All species of the genus Vignysa Bouché, 1970 are represented. Credits: Google 2022.