Chaetosa punctipes ( Meigen, 1826 )

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 : 535

Chaetosa punctipes ( Meigen, 1826)

[Japanese name: Kita-chibi-funbae]

( Figs 7–10 )

Cordylura punctipes Meigen, 1826: 239 . Type-locality: not given.

Material examined. Hokkaido, 2 ♂, 1 ♀, Tsurui Village, Kushiro , 14. vi. 1975, leg. H. Sasaki.

Diagnosis. Chaetosa punctipes Meigen can be recognized by the following characteristics: postpedicel with acute upper corner ( Fig. 7 ); thoracic pleura greyish dusted; legs wholly yellow; posterior lobes on sternite V with minute spinules on inner parts ( Fig. 8 ); male surstyli slender and tapering apically ( Fig. 9 ); male cercus with 3 long setae beyond surstyli ( Figs 9, 10 ).

Body length (♂). 4.3–4.9 mm.

Distribution. Europe, Mongolia, North America, Russia (the European part, Siberia, the Far East) ( Bagachanova et al., 2016), and Japan (Hokkaido). New to Japan.

Figures

FIGURES 7–10. Chaetosa punctipes (Meigen). 7, Male postpedicel and pedicel, left lateral view; 8, Male sternite V, ventral view; 9, Male terminalia, left lateral view; 10, Male terminalia, posterior view.