Megaphthalmoides japonicus Ozerov, 2008

Iwasa, Mitsuhiro, 2021, Three new species and six new records of Scathophagidae (Diptera) from Japan with a key to the Japanese genera, Zootaxa 4981 (3), pp. 531-553 : 542-543

Megaphthalmoides japonicus Ozerov, 2008

[Japanese name: Sesuji-funbae]

( Figs 30–33 )

Megaphthalmoides japonicus Ozerov, 2008: 420 . Type-locality: ”Izumi Katswiagi”, Osaka, Japan.

Material examined. Hokkaido, 7 ♂, 1 ♀, Shirogane-onsen, Biei , 26. viii. 1979, leg. M. Iwasa ; 1 ♂, Mt. Ponyaoromappu, Hidaka range, 11. viii. 1998, leg. M. Iwasa ; 1 ♀, Mt. Tsurugi, Hidaka range, 11. viii. 1998, leg. M. Iwasa. Honshu , 3 ♂, Mt. Hayachine , Iwate Pref., 17-18. vi. 1971, leg. S. Shinonaga ; 1 ♀, Karuizawa , Nagano Pref., 11. viii. 1970 , leg. R. Kano ; 1 ♀, Mt. Houou , Yamanashi Pref., 6. vi. 1972, leg. S. Shinonaga. Kyushu , 1 ♂, Izumimachimoniki, Yatsushiro City (alt. 1350 m), Kumamoto Pref., 11. v. 2016, leg. D. Kato.

Diagnosis. This species is a large species and characterized as follows:characteristics: head yellow except for eyes; postpedicel with long-haired arista ( Fig. 30 ); thorax yellow with 2 longitudinal stripes on prescutum to scutum; abdominal tergites blackish, covered with hair-like setulae and strong lateral setae; male sternite V posterior lobes which ( Fig. 31 ) are basally broadened; male surstyli ( Figs 32, 33 ) long and slender, with rows of setulae posteriorly; male cerci clothed with strong setulae.

Body length (♂ ♀). 7.8–10.0 mm.

Distribution. Japan (Hokkaido, Honshu, and Kyushu).

Figures

FIGURES 30–33. Megaphthalmoides japonicus Ozerov. 30, Male postpedicel and pedicel, left lateral view; 31, Male sternite V, ventral view; 32, Male terminalia, left lateral view; 33, Male terminalia, posterior view.