Homoeusa rufescens (Sharp, 1874)

Fig. 6 A – C, G (Japanese name: Hoso-hirata-ariyadori)

Thiasophila rufescens Sharp, 1874: 5; Fenyes 1919: 393 (catalogue); Bernhauer and Scheerpeltz 1926: 771 (catalogue); Smetana 2004: 488 (catalogue).

Homoeusa rufescens: Maruyama and Zerche 2014: 17 (mentioning actual generic affiliation); Schülke and Smetana 2015: 682 (catalogue); Nozaki and Maruyama 2022 a: 42 (the combination confirmed).

Additional material.

Japan: Honshu: Ibaraki-ken • 2 exs.; Asahi-tôge, Tsuchiura-shi; 8. V. 2022; Y. Komatsuzaki leg. (KUM) • 1 ex.; Nagai, Tsuchiura-shi; 27. IV. 2022; Y. Komatsuzaki leg. (KUM) . Chiba-ken • 5 exs.; Shimin-nomori Yachô-no-mori, Toyooka, Futtsu-shi; 10. V. 2007; H. Ono leg. (KUM) . Tokyo-to • 1 ex.; Mt. Takao (alt. 450 m), Hachiôji-shi; 4. VI. 2001; M. Maruyama leg. LFS (NHM) . Kanagawa-ken • 1 ex.; Nonkendainomori, Enkaizan, Yokohama-shi; 3. V. 1991; K. Kubo leg. (SPMN) . Nagano-ken • 2 exs.; Fuji, Satoyamabe, Matsumoto-shi; 21. V. 2004; T. Komatsu leg. (KUM) • 1 ex.; Fuji, Satoyamabe, Matsumoto-shi; 9. VI. 2004; T. Komatsu leg. (KUM) . Gifu-ken • 3 exs.; Mitahora, Gifu-shi, 10. VI. 2013; K. Kinomura leg. (KUM) • 2 exs.; Hirugano Bunsuirei Park, Gujo-shi; 10. VI. 2013; K. Kinomura leg. (KUM) . Shizuoka-ken • 2 exs.; Kumazaka, Izu-shi, 30. V. 2022; T. Tenma leg. (KUM) . Aichi-ken • 1 ex.; Jôkôji-kôen, Seto-shi; 4. V. 2023; T. Tenma leg. (KUM) . Osaka-fu • 3 exs.; Sakurai [34.8828, 135.6525], Shimamoto-chô; 9. V. 2021; Y. Takatani leg. LFS (KUM) . Shikoku: Kagawa-ken • 1 ex.; Shirahige-jinja, Ayagami-chô; 25. IV. 2004; H. Fujimoto leg. LFM (KUM) . Kochi-ken • 2 exs.; Ashizuri-misaki (alt. 120 m) [32.7480, 133.0136], Tosashimizu-shi; 21. V. 2024; TS. Nozaki leg. (KUM) . Kyushu: Fukuoka-ken • 2 exs.; Bio. Exp. Center of Kyushu Univ., Mt. Hikosan, Soeda-machi; 24. IV. 2021; N. Tsuji leg. (KUM) • 1 ♂; Biol. Lab. KU, Hikosan (alt. 750 m), Soeda-machi; 22. V. 2011; M. Maruyama & T. Kanao leg. (KUM) . Miyazaki-ken • 1 ex.; Ômoridake forest road (alt. 600 m) [32.0435, 131.1973], Aya-machi; 12. VI. 2024; TS. Nozaki & T. Kinoda leg. LFS (KUM) .

Diagnosis.

See Nozaki and Maruyama (2022 a).

Additional description.

Relative length of each antennal segment from first to 11 th, 2.27: 1.63: 1.37: 1.27: 1.02: 1.02: 1.00: 1.05: 1.07: 1.44: 3.34. Hind wings developed.

Male. 8 th sternite (Fig. 6 A) weakly round at posterior margin; four setae of parameral apical lobe (Fig. 6 C) normally arranged.

Female. 8 th sternite (Fig. 6 B) gently round at posterior margin.

Distribution.

Japan (Honshu, Shikoku, Kyushu) (Fig. 6 G).

Symbiotic hosts.

Lasius cf. fuliginosus, L. morishitai, L. nipponensis, L. spathepus .