P. californicus
(gynandromorph)

 

P. badius
(intercaste)

North America

 

P. naegelii
(worker with ocelli)

P. sp. RAJ-"tafi"
(intercaste)
(unpublished manuscript name)

P. occidentalis
(brachypterous queen)

P. vermiculatus
(intercaste)

P. longibarbis
(intercaste)

P. tenuispina
(gynandromorph)

P. carbonarius sanmartini
(intercaste)

P. meridionalis
subsp. leonis
(intercaste)

South America

P. inermis
(intercaste)