Howaia alba sp. nov. A male palp (holotype), ventral view B same, retrolateral view C same, ventro-prolateral view D same, dorsal view E female epigyne (one of the paratypes), ventral view F same, shape variation G vulva, dorsal view H habitus of male (holotype) I habitus of female (one of the paratypes) J cephalic area of female, frontal view. Abbreviations: Cd – copulatory duct; Co – copulatory opening; Id – insemination duct; S – spermatheca; Sc – scapus. Scale bars: 0.2 mm (A–G, J); 1.0 mm (H, I).