FIGURE 6. Eremidrilus owyhee n in New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment

FIGURE 6. Eremidrilus owyhee n. sp. All from type collection, except for Fig. 6A. A. Anterior part of the body. B. Male porophore. C. Atrium (composed of 2 photos). D. Ectal part of the spermatheca. E. Spermathecal ampulla showing spermatozoids, some with head oriented toward epithelium. F. Transverse section of the spermatheca pore opening within a lateral body fold, showing muscular fibers at retracted pore. G. Transverse body fold below the lateral line, containing the spermathecal pore (2 photos). H. Nephridium. (A, B, G, H, whole mounts; C–F histological sections. All scales are 50 µm, except for A: 500 µm.)