Chetoneura oligoradiata ( Papp, 2006 ) Ševčík, 2012

Ševčík, Jan, 2012, Pseudochetoneura gen. nov., a peculiar new genus from Ecuador, with notes on Chetoneura (Diptera: Keroplatidae), Acta Entomologica Musei Nationalis Pragae 52 (1), pp. 281-288 : 286

Chetoneura oligoradiata ( Papp, 2006) comb. nov.

( Fig. 7 )

Bisubcosta oligoradiata Papp, 2006: 129 .

Type material examined. HOLOTYPE: J, THAILAND: CHANGWAT NAN: Ban Na Lae, nr. Pua , over a rocky forest brook, 5.xi.2004, L. Papp & M. Foldvári leg. ( HNHM).

Additional material examined. THAILAND: CHIANG MAI: Doi Chiang Dao NP, Nature trail, 19°24.278′N 98°55.311′E, 491 m a.s.l., 21.–28.x.2007, 1 J, Malaise trap, Songkran & Apichart leg., T3176 ( JSOC) ; Doi Phahompok NP, Doi Phaluang , 20°1.06′N 99°9.581′E, 1449 m a.s.l., 20.–27.vii.2007, 1 J, Malaise trap, Wongchai P. leg., T2928 ( QSBG) .

Differential diagnosis. This species differs from Ch. cavernae mainly in the following characters: R-M fusion long ( Fig. 7 ), C produced beyond R 5 to only about a third of the distance between the tips of R 5 and M 1, mediotergite bare, strongly protruding and whitish yellow, tergite 9 rather short, triangular, about 3/5 as long as broad, and gonocoxites medioventrally with relatively long setae, almost as long as the width of the medioventral excavation of gonocoxites.

Figures

Fig. 6–7. Chetoneura species. 6 – Chetoneura cavernae Colless, 1962, male habitus (Cameron Highlands, Malaysia); 7 – Chetoneura oligoradiata (Papp, 2006), wing venation (holotype, Thailand).