Appella
Appella is a genus of predatory flies belonging to the family Asilidae, commonly known as robber flies. First described by the entomologist James P. Rapp in 1941, the genus is distinguished by its robust body, well-developed Venation in the wings, and a characteristic constriction of the abdomen. Members of Appella exhibit the typical Asilid behavior of stalking prey on vegetation or in flight, delivering a lethal proboscis to immobilize their targets before consumption.
Taxonomically, Appella falls within the subfamily Asilinae and tribe Asilini. The genus is closely related to
The distribution of Appella is primarily restricted to the Neotropical region, with confirmed records in Mexico,
Known species within the genus include Appella atrata, Appella nigripennis, and Appella rotunda, each exhibiting subtle
Current research on Appella focuses on its ecological role as a predator of other dipterans and potential