Erpobdella microstoma

External morphology

Size of adults ranging between 30-50mm. Light gray without acessory pigmentation, gonopores in furrows separated by 3 annuli, atrial cornuae curve postero-ventrally; eyes 3 pairs;

Internal morphology

ejaculatory ducts lacking pre-atrial loops, ellipsoidal atrium, hornsproject anteriorly

Habitat & range

Habitat

Freshwater

Region

North America

Recorded from

United States, Southern Canada