A new species of Bruggmanniella (Diptera : Cecidomyiidae) aborting young fruit of avocado, Persea americana (Lauraceae), in Colombia and Costa Rica

摘要

A species new to science, Bruggmanniella perseae Gagne (Cecidomyiidae: Diptera), is reported from avocado, Persea americana, from Colombia and Costa Rica. The insect is a severe pest of avocado. Infested fruit drop to the soil when less than 2 cm in length. The new species is described, illustrated, and compared with the five previously described species of Bruggmanniella, and its biology is outlined. A key to the six species of Bruggmanniella is provided.