FIGURE 4 in Five new species of the genus Rhyacophila Stephens (Trichoptera, Rhyacophilidae) from southwestern Hokkaido, northern Japan

FIGURE 4. Adult of Rhyacophila imakane sp. nov. 4A–4D, male: 4A, genitalia, left lateral, omitting left inferior appendage; 4B, same, dorsal; 4C, right inferior appendage, dorsal; 4D, same, ventral. 4E–4I, female: 4E, abdominal segments VIII–XI; left lateral; 4F, segment VIII, dorsal; 4G, same, ventral; 4H, vaginal apparatus, left lateral; 4I, same, ventral. Abbreviations: VIII–XI = abdominal segments VIII–XI; a inf app = apical segment of inferior appendage (paired); ae = aedeagus; an sc = anal sclerite (paired); ap ba = apical band (paired); b inf app = basal segment of inferior appendage (paired); do me pr = dorsomesal process (paired); pp = posterior process; ps = processus spermathecae; ru po IX = rugged posterior part of segment IX; sl cu pr = slender curved process (paired). Arrow, see text.