Nemopalpus (several species) Boreofairchildia[1] is a genus of moth flies in the subfamily Bruchomyiinae.

Species have been recorded from the Americas, principally Central and South America, with many, including the type, transferred from the genus Nemopalpus.

The genus name was dedicated to G. B. Fairchild, for his contributions to Neotropical Psychodidae and medical entomology.

[1] "According to cladistics analysis, the diagnostic characters of this genus are: aedeagus as long as or slightly shorter than ejaculatory apodeme and gonocoxites; gonocoxites without medial appendages, gonostyli basally broad, with two or more distal projections.

"[2] Unless referenced otherwise, Systema Dipterorum includes:[3]