Litoleptis himukaensis Imada & Kato

Imada, Yume & Kato, Makoto, 2016, Bryophyte-feeding of Litoleptis (Diptera: Rhagionidae) with descriptions of new species from Japan, Zootaxa 4097 (1), pp. 41-58 : 50

publication ID	https://doi.org/ 10.11646/zootaxa.4097.1.2
publication LSID	lsid:zoobank.org:pub:6189C0A9-0BDA-4A8E-83B4-717C7A6EDA2B
DOI	https://doi.org/10.5281/zenodo.6055007
persistent identifier	https://treatment.plazi.org/id/039287C8-F658-FFB3-FF1A-FE64FC21FA18
treatment provided by	Plazi
scientific name	Litoleptis himukaensis Imada & Kato
status	sp. nov.

Treatment

Litoleptis himukaensis Imada & Kato View in CoL sp. n.

[Japanese name: himuka-shitone-abu] ( Figs. 3 View FIGURE 3 g, 3h, 4d, 8)

Description. Body length: 2.8 mm (n=3) in male, 2.9 mm (n=2) in female. Wing length: 2.4 mm (n=4) in male, 2.6 mm (n=2) in female. Head Frons bare in both sexes. Antenna 0.53 mm (n=3). Antenna 1.0 times as long as diameter of eye. First flagellomere straight and gradually tapering towards apex; covered with comparatively rough and long setae ( Fig. 8 View FIGURE 8 a). Male ( Fig. 8 View FIGURE 8 b) Gonostylus with oblong-shaped extension apically; posterior surface of apex hollowed and weakly pointed inwardly; undulating in posterior edge of basal part. Sperm sac bulbous and hardly visible. Lateral ejaculatory process apparently not integrated into sperm sac, freely elongate transversely. Ejaculatory apodeme moderately long but not reaching anterior margin of gonocoxite. Posteromedial margin in ventral surface of gonocoxite bear less than four bristles. Aedeagus smoothly connected with paramere at thick and wide joint. Paramere slightly swollen posteriorly near distal end; become widest at connection with aedeagus, less than two times as wide as distal end.

Type material. Holotype. JAPAN [KYUSHU] 1♂, emerged 14. II 2009 from larvae collected by MK on 17.I.2009 at Udo Jingū, Miyazaki Pref, Japan ( Fig. 1 View FIGURE 1 :9), “Rh 0195”, NMNS. Paratypes. 3♂, 3♀ (Rh 0196–0201), emerged 10–17.II.2009 from larvae collected by MK on 17.I.2009 at same locality as holotype ( Fig. 1 View FIGURE 1 :9), KUHE.

Etymology. The specific epithet is taken from classical name of the type locality, “Himuka”, southern part of Miyazaki Prefecture.

Distribution. Japan (Honshu: Miyazaki Prefecture) ( Fig. 1 View FIGURE 1 ).

Natural history. Habitat of this species is rocky slope along streams in coastal evergreen Castanopsis forests. Larvae of this species are thallus miner of Reboulia hemisphaerica ( Fig. 11 View FIGURE 11 g). Adults emerged in spring (March- July, in laboratory condition).

Diagnosis. Litoleptis himukaensis resembles L. kiiensis and L. niyodoensis , and can be distinguished from them by the gonostylus with oblong-shaped extension apically (as opposed to L. kiiensis ), of which posterior surface of apex is hollowed (as opposed to flat at apex in L. niyodoensis ).