Use of Gonocoxae and the Sternal Apex to Identify Adult Females of North American Gyrinus Geoffroy (Coleoptera: Gyrinidae)

William L Hilsenhojf

Published in Quaestiones Entomologicae, in 1990, in volume 26, issue 2, pages 193-197

Date published:1990

BHL: 52013405
PDF: View

Page images