title: A new species from Mexico of the nearctic genus Percymoorensis, and remarks on the family haemopidae (Hirudinoidea).
mesh_terms: D003116:Color; D004064:Digestive System / Q000033:anatomy & histology; D005835:Genitalia / Q000033:anatomy & histology; D007568:Jaw / Q000033:anatomy & histology; D007865:Leeches / Q000033:anatomy & histology / Q000145:classification*; D013045:Species Specificity