146 R. W. CROSSKEY 



in profile (shape as Text-fig. 55). Facial ridges finely setulose on lower half 



COSSIDOPHAGA Baranov 



- Head with two pairs of reclinate orbital setae and not unusually strongly sub- 



triangular in profile. Facial ridges bare (except for the usual setulae adjacent 



to vibrissae) ............ 10 



10 Lower ends of facial ridges clearly visible in profile. Gena wider than third antennal 

 segment. $ with projecting 'horny' ovipositor. Basicosta yellow 



XYLOTACHINA Brauer & Bergenstamm 



- Lower ends of facial ridges invisible in profile or virtually so. Gena not wider 



than third antennal segment. $ without such exserted ovipositor. Basicosta 



dark brown or blackish . . . 'Erycia' nymphalidophaga Baranov (? genus) 



Comprehensive Key to Oriental Genera of ERYCIINI 



[Note. It is strongly emphasized that contiguity of genera in the key is no indication of 

 close phyletic affinity. Related genera may be wide apart if their reliable identification has 

 been best assured by using practical 'convenience' characters (e.g. long petiole to cell R b ) 

 that probably lack phyletic significance.] 



1 Three post dc setae (middle one rarely very reduced) ...... 2 



- Four post dc setae ............ 6 



2 Eyes conspicuously haired. Frontal setae not noticeably reclinate 



RHINOMYODES Townsend 



- Eyes bare or virtually so. Frontal setae partly or completely reclinate . . 3 



3 Parafacials haired or setulose. Ocellar setae very strong (subequal to reclinate 



orbital setae). Upper occiput with black setulae behind the postocular row. 

 Second costal sector haired ventrally. Abdomen uniformly covered with thick 

 yellowish pollinosity ...... BUQUETIA Robineau-Desvoidy 



- Parafacials bare. Ocellar setae very weak (much smaller than reclinate orbital 



setae) or absent. Upper occiput without black setulae behind the postocular 

 row. Second costal sector bare ventrally. Abdomen shining black with 

 inconspicuous bands of greyish pollinosity ....... 4 



4 Wing with cell R b closed before the margin and long-petiolate. Mid tibia with 



two or more ad setae. Abdominal T3 and T4 with median discal setae. $ with 

 fascicles of dense recumbent hair on venter of abdominal T4 and T5. Wings 

 hyaline SIMOMA Aldrich 



- Wing with cell i? 5 narrowly open to the margin. Mid tibia with one ad seta. 



Abdominal T3 and T4 with or without discal setae. £ without sexual hair 

 fascicles on any tergite. Wings usually strongly infuscate anteriorly. . . 5 



5 Abdomen with median discal setae on T3 and T4. Basal node of vein i? 4+5 with 



one setula. Facial ridges elongate and bearing fine setulae on most of their 

 height ELODIMYIA Mesnil 



- Abdomen without median discal setae on T3 and T4. Basal node of vein R i+i 



with a row of 3-7 setulae (when numerous extending towards r-m). Facial 

 ridges not elongate and with only the usual few setulae immediately above the 

 vibrissae ...... ANEOGMENA Brauer & Bergenstamm 



6 Wings with vein Cu x setulose basally, vein i? 4+5 setulose on most of its length (to 



well beyond r-m), and vein R x completely setulose (Text-fig. 107) . ... 7 



- Wings with veins mostly bare, Cu x totally bare, i? 4+5 setulose only on the basal 



node or at most only as far as r-m, and vein R x usually entirely bare (if setulose 



then the setulae confined either to the middle or the apical part) ... 8 



7 Mesonotum with complete complement of 3 + 3 acr setae. Wing with cell R b 



short-petiolate and with the last section of vein Cu x much longer than m-cu. 

 Second costal sector bare ventrally . . PROSOPODOPSIS Townsend (part) 



