FIGURE 3. Eremidrilus humboldti n. sp. from Corral Creek (A, B, D, and Trail Creek (C, E). A. Anterior end, external view of an unmounted worm, showing position of genital pores. B. Two chaetal pairs; IX ventral (left) and XIV dorsal (right). C–E, reproductive organs in X–XII: C. Ventrolateral view of a mature worm; D. lateral view of a recently-mated worm, second spermatheca (in XII) without sperm; E. a slightly post-mature worm (mated, but sperm funnels without sperm; at a later stage than D).

Published as part of Fend, Steven & Rodriguez, Pilar, 2020, New Eremidrilus species (Clitellata: Lumbriculidae) from western North America Part 1, species with two spermathecal segments, pp. 111-131 in Zootaxa 4809 (1) on page 117, DOI: 10.11646/zootaxa.4809.1.6, http://zenodo.org/record/3933989