. Papers and proceedings of the Royal Society of Tasmania . us, however, Tricophthalma can be at oncedistinguished by the elongated proboscis. This genus seems to be represented in Tasmania by only asingle species. Tricophthalma nov^-hollandi^, Macq. (Fig. 9).Syn. Hirmorieura novce-hoUandioi, Macq.„ H. nicjriventris, Macq.„ if. punctata, Macq^„ Tricophthalma quadricolor, variable in the male, both as regards size and colour,so much so in fact that extreme examples appear to belong toquite distinct species. Thorax black or brown, with two pale,more or less distinct, longitudinal strip
. Papers and proceedings of the Royal Society of Tasmania . us, however, Tricophthalma can be at oncedistinguished by the elongated proboscis. This genus seems to be represented in Tasmania by only asingle species. Tricophthalma nov^-hollandi^, Macq. (Fig. 9).Syn. Hirmorieura novce-hoUandioi, Macq.„ H. nicjriventris, Macq.„ if. punctata, Macq^„ Tricophthalma quadricolor, variable in the male, both as regards size and colour,so much so in fact that extreme examples appear to belong toquite distinct species. Thorax black or brown, with two pale,more or less distinct, longitudinal stripes; abdomen in themalp varying from bright orange to dull drab, in the femalealways drab, and in both sexes with a row of varialde, darkcetitrn spots ; legs yellow ; wings hyaline, suffused with brownalong the costal margin. Length. Male, b-15 mm.; female (excluding ovipositor) mm., (including ovipositor) mm. Hab. Generally distributed in Tasmania and also occuit-ing Oil the mainland of Australia. THE DIPTERA-BRACHYCERA OF TASMANIA,. Fig. 9. Wing of Tricophthalma novce-hollandice, Male. Face produced, dull orange, with usually a more orless distinct black patch between tlie antennae, aud bearingbeneath the proboscis a beard of thick white or pale yellowhairs. Front receding, grey, triangular in shape, with amedian ridge between the eyes. Proboscis black, about thesame length as the thorax. Palpi projecting forwards, oracge,.the tip black with a pencil of black hairs. Antennae widelyseparated, the three joints short, the first a little longer thanbroad, the second broader than long, the third conical andterminated in a three or four jointed arista, the first twojoints of which being short and thickened, the third long andslender, and as long as the first two joints together, with avery fine needle like terminaion, which has the appearance ofbeing a separate joint; first joint of antennae orange, secondand third joints and arista black. Vertex occupied by a
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