Genus Stenoecanthus Chopard, 1912 TYPE SPECIES. β Stenoecanthus gracillimus Chopard, 1912. EMENDED DIAGNOSIS. β Body slender, legs elongated and punctuated; ocelli absent; pronotum longer than wide; TI with both inner and outer auditory tympana present, well-developed. Male: metanotum without structures or projections; harp with two veins. Male genitalia: MLophi absent; LLophi apex rounded, with bristles; R longer than pseudepiphallic sclerite. Female: slightly larger than male, similar coloration. Female genitalia: copulatory papilla cylindrical; with a ventral aperture.Published as part of Campos, Lucas Denadai De & Desutter-Grandcolas, Laure, 2020, The Paroecanthini crickets (Orthoptera: Grylloidea: Gryllidae: Oecanthinae) from French Guiana, pp. 355-398 in Zoosystema 42 (20) on page 389, DOI: 10.5252/zoosystema2020v42a20, http://zenodo.org/record/396294