One of the Smallest Digger Wasps

Henry L. Viereck
1904 Psyche: A Journal of Entomology  
Ammoplanus ceanothae n. sp. 2. 5 mm. Submarginal cell without a stump of a vein, as in Am,notlanus columbiaus. of the body, the narrower tegmina and the more arcuate pronotum; from annuli.
doi:10.1155/1904/29219 fatcat:ao63agrh5rfj7lux2ojlsc2pji