The genus Acrosathe Irwin and Lyneborg is revised and includes six species from the Nearctic Region. Acrosathe falcata spec. nov. is new to science. Thereva novella Coquillett is found to be a junior synonym of Acrosathe vialis (Osten Sacken). The genus Arenigena Irwin and Lyneborg is revised and includes five species from the Nearctic Region. Arenigena albiseta spec. nov., Arenigena bajaensis spec. nov., and Arenigena floridensis spec. nov. are new to science. Psilocephala brunnea Krober is found to be a junior synonym of Arenigena marcida (Coquillett). The genus Litolinga Irwin and Lyneborg is revised and includes two species from the Nearctic Region. Each species is described or redescribed with illustrations of their genitalia, a key to their identification, and a map of their distribution.
- New world
- Stiletto fly
ASJC Scopus subject areas
- Ecology, Evolution, Behavior and Systematics
- Animal Science and Zoology