INSECTA. 317 



*Palps external. Nervures of wings longitudinal only, none 

 transverse. 



Phora LATR., MEIG. (previously Trineura MEIG.) Antennae 

 inserted at the margin of the mouth, with elongate simple seta. 

 Posterior feet elongate. Wings rotundate, ciliate, with two thick 

 nervures at the outer margin, and three or four others nearly 

 parallel, running obliquely from the second marginal nervure to 

 the posterior margin of the wing. Poisers naked. 



Fig. MEIGEN, Europ. zweif. Ins. vi. Tab. 63, figs, i 13 ; GUERIN, 

 Iconogr., Ins., PI. 104, figs. 3, &c. 



Add sub-genera : Gymnopliora, MACQ. and Conicera MEIG. 



**Palps inserted in the proboscis, retractile and capable of 

 being concealed with it. Nervures of wings longitudinal and trans- 

 verse. Antennas inserted in the frons. 



a) First posterior cellule of the wings open, transverse apical 

 nervure none. 



* Poisers naked. 



1) Squamse of the poisers small or none. Head elongato-globose 

 or broad, transverse, with eyes remote. 



Tetanocera DUMEE., LATE., MEIG. Antennas longer than the 

 head, with second joint longest. 



Sepedon LATE., MEIG., Baccha FABR. 

 Thecomyia PERTY., MACQ. 



Loxocera MEIG., LATE. Antennse oblique, with third joint 

 longest. Abdomen elongate, sexannulate. 



Sp. Loxocera icJineumonea, Musca ichneumonea L., PANZER, Deutsdd. Insect., 

 Heft 73, Tab. 24, SOHELLENBERG, Tab. 7 &c. 



Sub-genus : Platystyla MACQ. 



Condylura FALL., MEIG., LATE. Antennae shorter than head. 

 Abdomen sexannulate, in males clavate at the apex. 



a) Seta of antennae plumose. 



Sub-genera: Lissa MEIG., Merodina MACQ., Tetanura FALL., 

 Chyliza FALL., Cordylura MACQ. 



