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Sylvain Gérard

@sylvaingrd.bsky.social
83 followers 120 following 9 posts

PhD in Ecology. Currently a postdoc fellow in University of Helsinki. Mostly interested in earthworms, conservation, biogeography and taxonomy.

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Sylvain Gérard @sylvaingrd.bsky.social · 26/02/2025
More pictures ...
FIGURE 3 from the paper. Pictures of Avelona yvesi sp. nov. (paratypes). A, B, C: after fixation in absolute ethanol; D, E, F: alive specimens;
G: Place were Avelona yvesi sp. nov. was found. Photographic credits: Nicolas Henon (A to F); Sylvain Gérard (G). Scale bars:
0.5 cm. Abbreviations: CL = Clitellum; TP = Tubercula pubertatis; Pap = Genital papillae; MP = Male pore; LF = Longitudinal
furrows.
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Sylvain Gérard @sylvaingrd.bsky.social · 26/02/2025
New paper's out ! We describe a new species from Jura, France: Avelona yvesi. Together with Avelona zicsii comb. nov., they belong to the same genus as the bioluminescent Avelona ligra... but are not bioluminescent. Northeast of France seems like an interesting center of endemism for earthworms !
Picture of an alive specimen of the newly describe species of earthworm : Avelona yvesi.
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