Goera shikokuensis Nozaki and Tanida

Nozaki, Takao & Tanida, Kazumi, 2006, The genus Goera Stephens (Trichoptera: Goeridae) in Japan, Zootaxa 1339, pp. 1-29 : 16-17

Goera shikokuensis Nozaki and Tanida sp. nov.

( Fig. 9 )

Diagnosis. This species is very similar to G. kyotonis and G. lepidoptera , but distinguishable by the shape of processes of segment X in male and spermathecal plate in female.

Adult. General morphology and coloration very similar to those of G. k y o t o n i s and G. lepidoptera , but size slightly smaller. Length of forewings 6–7 mm in both sexes.

Male genitalia. Median dorsal process slender, club-like in dorsal aspect. Paired ventrolateral processes asymmetrical, with acute apices; right one slightly longer than left one, twisted apically; left one curved inward. Inferior appendage similar to that of G.

kyotonis . In phallus, distal end of ejaculatory duct open at apical third, pair of longitudinal ridges present dorsally.

Female genitalia. Spermathecal plate approximately 2/3 length as gonopod plate, triangular in ventral aspect with large round plate anteriorly.

Larva. Unknown.

Holotype male: JAPAN: Ehime: Kawabe-gawa, Yamato-saka, Ohzu-shi, 33°31’N, 132°39’E, 8.x.2000, S. Tsukaguchi (in alcohol, CBM-ZI 130497).

Paratypes. 6 males, same data as the holotype (1 male: CBM-ZI 130498, 2 males: USNM, 3 males: TN); 1 male, Nanatsubuchi, Kochi-shi, Kochi, 16.v.1999, T. Befu (TN).

Other specimens examined. Kochi: 1 female, near Ashizuri cape, Tosashimizu-shi, 21.v.1999, A. Ohkawa and T. Ito (TN); 2 males, Kubotsu, Tosashimizu-shi, 16.x.2004, M. Takai ( BJA); Ehime: 1 female, Oda, Uchiko-cho, 27.viii.2000, E. Yamamoto ( USNM).

Etymology. Specific name refers to the name of the island where this species was collected.

Distribution. Japan (Shikoku).

Japanese name. Shikoku-ningyo-tobikera.

Figures

FIGURES 7 – 9. 7, Goera kyotonis. Male sternite VI: a, ventral view. Male genitalia: b, lateral view; c, dorsal view; d, ventral view; e, phallus, dorsal view. Female genitalia: f, lateral view; g, dorsal view; h, ventral view. 8, Goera lepidoptera. Male genitalia: a, lateral view; b, dorsal view; c, phallus, dorsal view. Female genitalia: d, ventral view. 9, Goera shikokuensis. Male genitalia: a, lateral view; b, dorsal view; c, phallus, dorsal view. Female genitalia: d, ventral view.