Trypetisoma (Trypaneoides) octopunctatum Malloch

Sasakawa, Mitsuhiro, 2017, Insects of Micronesia, Volume 14, no. 10 Diptera: Lauxaniidae (Part 2), Micronesica 2017 (2), pp. 1-5 : 3-4

Trypetisoma (Trypaneoides) octopunctatum Malloch : Evenhuis & Okadome, 1989: 588.

This Indonesian species is easily identified by the original wing pattern; wing length 2.0– 2.4 mm and presence of only one discal bristle on mesopleuron. Genitalia: epandrium narrow, with long setae sparsely on posterior half; surstylus about 1/3 as high as epandrium, with short and long setae posteriorly; phallus long tubular, well chitinized, almost 2.5 times as long as epandrial width, with a minute apicoventral projection, largely covered by membrane excepting apical part; hypandrium consisted of rectangular narrow sclerites.

Material examined. S. Mariana: 1♀, Mt. Chaochao , Guam, 16 V 1936, OS ; l ♂ 1♀, Mt.

Lamlam, 27 XI 1952, JG; 3♂, Haputo Pt. , Guam, 14 III 1948 , KM, on Marinda citrifolia and Cestrum diurnaum. Caroline Is.: Ponape : 3♀, Kolonia , VI –IX 1950 , PA; l ♂, Agric Exp. Sta. , 6 I 1953 ; 3♂ 4♀, Mt. Tamatama , 11–19 I 1953 , 1♀, Nanponmai , 29 I 1953 , JG, light trap; 6♀, Kolonia VII–VIII 1957 , MW & MWh.

Distribution. Mariana Is., Caroline Is.; Indonesia.