@article{articlee2e13f89,
title   = {Review of the myrmecophilous ptomaphagus, subgenus echinocoleus echinocoleus (new status), of north america (coleoptera: leiodidae : cholevinae : ptomaphagini)},
author = {Peck, S B and Gnaspini, Pedro},
year = {1997},
journal   = {Canadian Entomologist}
}