Gymnetron tetrum (Fabricius)

Caldara, Roberto, Casalini, Roberto & Baviera, Cosimo, 2012, Taxonomic and nomenclatural notes on the Rhinusa tetra (Fabricius) species complex (Coleoptera: Curculionidae), Zootaxa 3329, pp. 31-40 : 35

Gymnetron tetrum (Fabricius) var. subrotundatum Reitter, 1907

Reitter (1907) described the variety subrotundatum based on small specimens of R. tetra from Germany, Hungary, Dalmatia and Greece, in our opinion giving an infrasubspecific rank to this name according to Art. 45.6.1 of the ICZN (1999). However, since Zumpt (1933) treated this taxon as a subspecies of R. tetra , the name subrotundatum must be considered as available according to Art. 45.6.4.1. Subsequently, this name was consistently placed among the synonyms of R. tetra ( Hoffmann 1958; Smreczyński 1976). At HNHM we examined three syntypes of this taxon and designated as the lectotype a female labelled “Dalmatien, Budua [presently in Montenegro], Reitter [printed] / subrotun-, datum [sic] var., 1905 [handwritten by Reitter] / Holotypus, 1907 Gymnetron (Rhinusa) tetrum Fabr. var. subrotundatum Reitter [label arbitrarily handwritten by a museum curator] / Coll. Reitter [printed]”. The other two specimens, a male and a female, are labelled “Dalmatien, Budua, Reitter [printed] / Paratypus, 1907 Gymnetron (Rhinusa) tetrum Fabr. var. subrotundatum Reitter [label arbitrarily handwritten by a museum curator] / Coll. Reitter [printed]”. We agree with Reitter's original opinion that these specimens are only small specimens of R. tetra .