INSECTA. 333 



Sp. Astomella curviventris DUP., Astom. marginata LATR., LEON DDFOUR, 

 Ann. des Sc. not. xxx. 1833, pp. 210. 211, PL 17 A, fig. i, antenna. 

 Habitat Spain. 



b) Proboscis elongate. 



*) With antennae biarticulate ; long terminal seta. 



Cyrtus LATE., MEIG., Acrocera MEIG., LATR., Psilodera GRIFF., 

 Thyllis ERICHS., Philopota WIEDEM. 



Sp. Cyrtus gibbus MEIG., Cyrtus acephalus LATR., DUMER. Consid. gen. s. I. 

 Ins., PL 48, fig. 7, VILLERS Entom. Linn., Tab. x. fig. 21. 



* *) With antennae triarticulate, longer than the head, no style. 



Panops LAM., LATR., Lasia WIEDEM. 



Sp. Panops Baudini LAMARCK, Ann. du Mus. in. 1804, pp. 263 265, 

 PI. xxii. fig. 3, habit, in New Holland ; Panops ocelliger WIEDEM., GUERIN 

 Iconogr., Ins. PL 94, fig. 9. 



Comp. on these genera of Diptera ERICHSON Entomographia, 1840, 

 pp. 135, &c. 



Bombylius L. Antennas porrect, approximate. Proboscis por- 

 rect, slender, mostly elongate. Palps uniarticulate. Squama of 

 )oisers small, not covering the poisers. Trunk gibbous. Feet 

 slender, elongate. 



a) Abdomen elongate, narrow. 



Phthiria MEIG., WIEDEMANN (Phthiria and Megapalpus MACQ.), 

 Geron HOFFMANNSEGG, Systropus WIEDEM., Amictus WIEDEM., Apa- 

 tomyza WIEDEM., Thlipsomyza WIEDEM., Cyllenia LATR., MEIG., 

 Toxophora WIEDEM., Xestomyza WIEDEM. 



Comp. Systropi generis Dipterorum Monographia, auctore J. O. WEST- 

 WOOD, GUERIN Magas. de Zool. 1842 ; Systr. eumenoides WESTW., 1. 1. 

 PL 90. 



Toxopkora Carcelii GUERIN, Magas. de Zool. I. 1831, Ins. PL 16. 

 &) Abdomen short. Body hirsute. 



Ploas LATR., MEIG. Proboscis of the length of the head. First 

 joint of antennae longer than the rest, very thick. 



Usia LATR., MEIG., Bombylius MEIG., LATR. Proboscis longer 

 than the head (sometimes of the length of the body). Third joint 

 of antennce longer than the rest. 



Comp. J. C. MIKAN Monogrophia JBombyliorum Bohemice, iconib. illustr. 

 Pragae, 1796, 8vo. 



