Fig. 4 in New Spirinia and Stygodesmodora species (Nematoda, Spiriniinae) from the Southwest Pacific, and a revision of the related genera Spirinia, Chromaspirina and Perspiria

Fig. 4. Stygodesmodora confusa sp. nov. A. Anterior body region of female. B. Male head (holotype). C. Male head (paratype). D. Male head (holotype). E–F. Anterior body region of female. G. Female posterior body region. H. Right spicule and gubernaculum. I. Male copulatory apparatus. Arrows show position of pre-cloacal supplements. Scale bar: A–D = 30 µm, E–G = 36 µm, H = 20 µm, I = 40 µm.