PTECTTCFS. iO 



TaUe of Genera. 



1. Third vein iinforked Prosopochrysa, Meij., 



'2. Third vein forked 2. [p. 86. 



Second aiiteuual joint with a thumb-like 



expansion over tlie 8r(l on inner side . . 1'tecticus, Lw., p. 73. 

 Second antennal joint Avithout any such 



expansion 3. [p. 84. 



3. Eyes densely pubescent in both sexes .... Chloromyia, Dune, 

 Eyes bare or practically so 4. [p. 85. 



4. Third autennnl joint with six annulations. BrachyCaka, Thorns., 

 Third antennal joint with four annulations. o. 



5. Abdomen elongate ; eyes in (^ iiot quite 



contiguous; discal cell veinlets distinct . Sargus, F., p. 81. 

 Abdomen short, rounded ; eyes in S con- [p. 87. 



tiguous ; discal cell veinlets very faint. . Microchrysa, Lw., 



Genus PTECTICUS, Tav. 



Ptecticus, Loew, Verb, zool.-bot. Ges. Wien, v, p. 142 (1855); 



Brunetti, Rec. Tnd. Mus. i, p. 108 (1907). 

 Plecticm, Loew, loc. cit. v, p. 147 (1855). 



Genotype, Sargus testaceiis, Y. ; by original designation. 



Mainly of the normal Sargid type, but technically non-metallic 

 large yellowish flies, witli darker markings and often yellow wings. 

 The jJud anteinial joint distinctly overlapping 3rd on inner side 



Fig. -i.—l'/ccficus, anteima, inner side. 



by a thumb-like extension ; * 3rd joint short and broad, arista 

 very thin ; head rounded ; eyes in J approximate only and tor 

 only a short distance; fro.ital triangle inflated. Thorax and 

 abdomen as in Sargus, but perhaps less pubescent; genitalia 

 in 6 rather large and free. Wings long; anterior cross-vein 

 exactly at tip of prjefurea ; t posterior cross-vein occasionally 

 absent or abortive (austral!!^). 



Range. Central and South Asia, Japan, Orient, South Atrica, 

 Madagascar, North, Central, and South America. 



* With rare exceptions, according to Willi.ton. It is very pronounced in 



all the Indian species. , . ^ ... 



t In all Indian species except c>/anciis. This diaracter is not necessaulj 



ireneric. 



