FIGURES 2A−2L. Rhyacophila hattorii new species. 2A−2F in Redescription of Rhyacophila yukii Tsuda 1942 and description of three new Rhyacophila species from Japan (Trichoptera: Rhyacophilidae)

FIGURES 2A−2L. Rhyacophila hattorii new species. 2A−2F, male genitalia: 2A, left lateral; 2B, dorsal; 2C, caudal; 2D, phal- lic apparatus, left lateral; 2E, ventral lobe of aedeagus, dorsal; 2F, inferior appendages, ventral. 2G−2J, female genitalia: 2G, segments VII and VIII, left lateral, with segments IX, X, and XI retracted into segments VII and VIII; 2H, segments VII−XI, left lateral; 2I, vaginal apparatus, ventral; 2J, vaginal apparatus, left lateral. 2K−2L, male genitalia by Schmid: 2K, left lateral, by Schmid (1970) and labelled as "R. yukii"; 2L, dorsal, by Schmid (1970) and labelled as "R. yukii". Abbreviations: a.b. = apical band; aed. = aedeagus; a.i.a = apical segment of an inferior appendage (paired); ap.r.VIII = apodemal rod from segment VIII (paired); ap.r.XI = apodemal rod from segment XI (paired); b.i.a. = basal segment of an inferior appendage (paired); c. = cercus (paired); pht. = phallotheca; p.pr = posterior process of vaginal apparatus; pr.sp. = processus spermathecae of vaginal apparatus; v.b.a. = ventral branch of aedeagus; v.l.a. = ventral lobe of aedeagus.