Dina pseudotrocheta, Grosser & Eiseler, 2008

- & Grosser, Clemens, 2015, Differentiation of some similar species of the subfamily Trochetinae (Hirudinida: Erpobdellidae), Ecologica Montenegrina 2 (1), pp. 29-41 : 32

Dina pseudotrocheta and T. pseudodina

The differentiation of D. pseudotrocheta from T. pseudodina by means of the external morphology is not clear every time. Populations of D. pseudotrocheta can show a Trocheta ­ like annulation. Individuals of these populations are very similar to T. pseudodina . However, significant differences between these two species can be found in the anatomy of the reproductive system. The cornua of the genital atrium in the both species have same extension, and reach to the ganglion of the previous somite. However, in T. pseudodina the cornua are parallel in their total run, but in D. pseudotrocheta only in the last part (see original description, Fig. 7, paratype). The most important difference exists in the extension of the ovarian sacks. The ovarian sacks are one somite shorter in T. pseudodina than in D. pseudotrocheta , while the extension of the vasa deferentia is the same in the both species ( Fig. 3 A­B).