Abstract
Based on a cladistic analysis, a new genus of Agathidini, Agathacrista Sharkey, is proposed and its phylogenetic position hypothesized. Two previously described (Agathacrista cancellata, Agathacrista depressifera) and three new species (Agathacrista sailomi, Agathacrista winloni, Agathacrista krataeii) are included. The distribution of Agathacrista is limited to the Oriental region and southern portion of the eastern Palearctic.
Highlights
Agathacrista, as proposed here, includes two previously described species, both of which were included in the paraphyletic concepts of Bassus s.l. and Therophilus s.l
Agathacrista, Bassus s.s. and a new genus to be described in a forthcoming paper, form a monophyletic group (Fig. 2)
If there was an observed character it might be best to expand the concept of Bassus to include Agathacrista and the new genus
Summary
Agathacrista, as proposed here, includes two previously described species, both of which were included in the paraphyletic concepts of Bassus s.l. and Therophilus s.l. We examined ten specimens of Agathacrista cancellata (Enderlein, 1920), all from Taiwan. Body color varies considerably in this species, but wing color and the sculpture and dimensions of the first metasomal median tergite are uniform, suggesting that these are good species indicators within the genus.
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