FIGURE 5. Eremidrilus montanensis n in New Eremidrilus species (Clitellata: Lumbriculidae) from western North America Part 1, species with two spermathecal segments

FIGURE 5. Eremidrilus montanensis n. sp. All specimens from Eureka Creek. A. Anterior ends, external view of unmounted worms, upper unmated, with partial proboscis and pharynx partially everted; lower mature, mated, with proboscis broken. B. Chaetal pairs, ventral; left to right: VII, XXV; in both cases, the inner chaeta is longer than the outer, with a more proximal nodulus. C. Atria, transverse section in X. D. Spermathecae, transverse section in XI; arrows indicate position of chaetae. E. Male ducts, segment X. F. Reproductive organs, segments X–XII.