books

Books about Promachus:

booksAthena: Parthenos/Promachus by Huck Fairman (Sep 11, 2014)

booksRobberflies Of The Genera Promachus And Proctacanthus by James Stewart Hine (Apr 10, 2012)

wiki

Wiki information Promachus:

Promachus
Organism Classification

Promachus is a genus of robber flies. It is part of the subfamily Asilinae.

Promachus
Fictional Character