Genus Atkinsoniella Distant, 1908

Type species: Atkinsoniella decisa (Distant, 1908)

The genus Atkinsoniella contains about 77 described species mainly from the Oriental region. The genus may be recognized by the following combination of characters: vertex not produced strongly, anterior margin dorsally rounded; ocelli prominent in concavities; clypeus may be convex or not medially, with muscle impressions weak or absent; lateral clypeal sutures reaching vertex and may extend or not to ocelli; transclypeal suture often obsolete medially; male pygofer moderately produced, posterior margin varying interspecifically, with macrosetae on posterior half; pygofer with processes arising at the base on ventral margin, extending posteriorly; subgenital plates broad, may be equal or slightly longer than pygofer, with macrosetae uniseriate or multiseriate; connective ‘V’- or ‘Y’-shaped with arms well separated and manubrium short; aedeagus with shaft short, extending posterodorsad; paraphysis curved dorsad, forming a second articulation with the aedeagus.