Phalacropsylla morlani, from New Mexico is described as new to science and figured. It is separable from the other species in the genus by the possession of 18 spines in the pronotal comb and by the distinctive shape and setation of the male distal arm of sternum IX. Other species in the genus have 14 to 16 spines in the pronotal comb. Host and distributional records for P. allos are given.
Eads, R. B. and Campos, E. G.
"Description of a new Phalacropsylla and notes on P. allos (Siphonaptera: Hystrichopsyllidae),"
Great Basin Naturalist: Vol. 42
, Article 9.
Available at: http://scholarsarchive.byu.edu/gbn/vol42/iss2/9