FIGURES 3–6. Stratiodrilus circensis. 3–4 in Morphological variation of Stratiodrilus circensis (Polychaeta, Histriobdellidae) from a new host, Aegla leptodactyla (Crustacea, Anomura, Aeglidae) with identification of its type host species *

FIGURES 3–6. Stratiodrilus circensis. 3–4. males with short and long antennae, cirri, conical ventral lobes, and tubercles, respectively; 5–6. females with short and long antennae, cirri, conical ventral lobes, and tubercles, respectively. Scale bars = 250 µm.