68 DIPTERA 



Sub-Family — OETALiDEiE. 

 Third joint of tlie antennae oval or elongated ; longer than the 

 second. Head hemispherical ; front without any dilatation ; mouth 

 with a hood under the epistome ; face convex or keeled. Abdomen 

 generally oval; oviduct not protruding. Legs moderate. Wings 

 raised, quivering. 



Genus-LAMPEOGASTER. 



Macquart. 

 Proboscis very thick ; palpi small. Hood convex. Face a little 

 inclined; epistome projecting. Antennae short, scarcely half the 

 length of the face, the third joint triple the second; style naked. 

 Abdomen oval. Spines on the middle tibise very small. Wings 

 large ; the first transverse vein oblique. 



L. sTRiGiPENNiS. Macquart, I.e., Supp. 4>, p. 20, pi. 27, f. 2 



fTephritis), (1850). 



Green. Abdomen with grey bands. Front testaceous. Wings 

 with three dusky bands, the base thin. 

 Length, 2^ lines. 

 Australia (Macquart) ; New Zealand (" Eeise der ' Novara ' ") . 



L. ciERULEA. Macquart, I.e., Supp. I, p. 212, ])l. 18, /. 15 (Tephritis), 



(1846) . 

 Shining-blue. Wings with four dusky bands. 

 Length, 2\ lines. 

 Sydney (Macquart) ; New Zealand (" Eeise der ' Novara ' ") . 



Sub-Family — Geomtzin^. 

 Small. Third joint of the antennae oblong; the second shorter; 

 style naked or hairy. Abdomen Oval or oblong, convex. Legs 

 moderate. Wings generally closed, not quivering; the mediastinal 

 cell generally simple. 



Genus-OPOMTZA. 



Fallen. 



Face a little inclined backward ; epistome sometimes naked, 

 sometimes with a few bristles. Antennae inclined ; third joint oval ; 

 style with fine hairs, especially above, sometimes tomentose. Eyes 

 round. Thorax elongated, of six distinct segments. The second 

 cross-vein of the wing generally near the internal border. 



