Descriptions of females of the ten known eastern North American species of
Chimarra are given and an identification key provided. Diagnostic character
s are evident in the thickness of veins at the first fork of the radial sec
tor in each forewing and in the shapes of the spermathecal sclerite and ven
tral plates beyond abdominal sternum VIII. A summary of published distribut
ional records is provided for all Chimarra species of eastern North America
.