280 



Mr. E. Saunders' Synopsis of 



(C) 1. Thorax clothed with yellow or brownish hairs, 

 unbancled. 



(3) 



2. Under side of thorax and abdomen clothed 

 with black hairs 



(2) 3. Under side of thorax and abdomen clothed 



with pale hairs. 

 (5) 4. ^ , joints of antenna) very slightly rounded 

 beneath, sagitta) of the genital armature 

 hamate at the apex ; J and ^ , abdomen 

 without black hairs, tibifc with pale hairs. . 

 (1) 5. (J , joints of antenna) much rounded beneath, 

 sagittie of armature not hamate; J and ^, 

 abdomen with black hairs intermixed with 

 the yellow, tibia) with black hairs . . 



Thorax banded with black, or entirely black. 



Abdomen clothed with white or tawny or black 

 hairs at the apex, not red. 



(J , sagitta) of the genital armature denticulate 

 beneath; J and § with the tongue very long, 

 often longer than the entire insect . . 



^ , sagittaj not denticulate ; J and ^ with the 

 tongue not so long, seldom extending beyond 

 the metathorax. 



Abdomen entirely tawny yellow 



Abdomen with black markings. 



Face very long, cheeks nearly half as long aa 

 the eyes ; extreme apex of the abdomen in 

 the ^ clothed with black hairs ; J and ^ , 

 abdomen black at the base, 2nd segment not 

 flavous or tawny 

 (12) 13. Face not very long, cheeks not nearly half the 

 length of the eyes ; apex of the abdomen in 

 the ^ white ; J and ^ with the basal or 

 2nd segment yellow or tawny. 

 (17) 14. (J , metatarsi clothed with long hairs along the 

 upper margin ; J and ^ with yellow hairs 

 on the basal segment, at least at the apex 

 laterally. 



^ , face with yellow hairs ; $ and ^ . basal 

 segment only of abdomen with yellow hairs 



^ , face black ; J and § > 2nd segment of 

 abdomen yellow 



^ , metatarsi clothed with very short hairs 

 along the upper margin ; J and § > 2nd 

 segment only yellow or tawny 



Abdomen with the terminal segments clothed 

 with red hairs. 



(J , posterior metatarsi clothed with very short 

 hairs along the upper margin ; J and ^ > 

 intermediate metatarsi produced at the ex- 

 ternal apical angle into an angular sijine. 

 (21) 20. (J , face clothed with pale hairs ; J and ^ , 

 abdomen with the in st two segments clothed 

 with pale hairs, the Hrd and Ith with black, 

 and the apex with red 



Smithianus. 



cognatus. 



muscornm. 



hortonim. 



distinguendus. 



Latrcillellus. 



SchrimsJnramis. 



teirestris. 



^ylvaruvt. 



