antennomere 1 almost twice as long as anteocular area (head area anterior to the eyes) (vs subequal in
P. sericea); front femora lack spines; beak segment one almost as long as segments two and three combined; apex of head at base of beak lacks spines; apex of antennal segment one lacks spine; one or more branched/bifid spines or processes on each side of head below and behind eye