Microprosopa pallidicauda

Microprosopa pallidicauda (Zetterstedt, 1838)

[Japanese name: Haiiro-hoso-funbae]

(Figs 49–51)

Cordylura pallidicauda Zetterstedt, 1838: 733. Type-locality: “Lycksele Lapponiae Umensis … Juckasjervi Lapponiae Tornensis… (Lapponia Suecica et sylvatica)” [Sweden].

Cordylura melanura Zetterstedt, 1838: 731. Type-locality: “Kengis Lapponiae Tornensis… Stensele, Umenaes, Wilhelmina et Asele, Lapponia Umensis” [Sweden].

Material examined. Honshu, 9 ♂, Mt. Norikura, Gifu Pref., 4. viii. 1952, leg. I. Hattori; 2 ♀, same locality and date, leg. S. Kato.

Diagnosis. This species can be recognized by the following characteristics: frontal vitta reddish yellow, face and parafacial black to pale yellow; gena and postgena pale yellow; palpi spatulate and white; postpedicel rounded apically, about 2 times as long as wide; thorax black with grey dusting; legs yellow, only mid and hind coxae black; fore femur with a row of posterodorsal setae, with numerous hairs anteriorly and ventrally; abdominal tergites black and greyish dusted; posterior lobes on male sternite V basally wide, with one row of spinules on inside margin (Fig. 49); male surstyli simple and slender (Figs 50, 51).

Body length (♂ ♀). 6.0–6.2 mm.

Distribution. Europe, Russia (European territory, West and East Siberia, Far East) (Ozerov, 2017) and Japan (Honshu).

Remarks. This species is easily distinguished from M. haemorrhoidalis Meigen by having posterior lobes on sternite V which are basally stout, and by the shape of surstyli.