im Gebiete der Entomologie während des Jahres 1894. 389 



4. First posterior cell near its middle bisected by a cross-vein 



Exoptata. 

 First posterior cell never bisected by a cross-vein Exoprosopa. 



5. Second antennal Joint less than one-half as long as the third, 

 the style bearing numerous hairs 6. 

 Second antennal Joint as long as the third, the style destitute 

 of hairs Aldrichia n. gen. 



6. Anterior branch of third vain near its middle connected with 

 the third vein by a cross-vein Spogostyhim. 

 Anterior branch never connected with the thii'd vein by a 

 cross-vein Argyramoeha. 



7. Anal cell widest near its middle, its apex less than half as 

 wide as the length of the axillary cell 8. 

 Anal cell widest at its apex, where its width equals one-half 

 the length of the axillary cell Mancia. 



8. Penultimate section of fifth vein at least two-thirds as long 

 as the ultimate section, sides of abdomen furnished with long 

 scales, front tibiae bristly Lepidanthrax. 

 Penultimate section of fifth vein less than two-thirds as long 

 as the ultimate section Anthrax. 



9. Anterior branch of third vein connected with the second by 

 a cross-vein forming three submarginal cells 10, 

 Anterior branch never connected with the second vein; only 

 two submarginal cells 15. 



10. Wings with four posterior cells, anal cell open 11. 

 Wings with only three posterior cells, anal cell closed 



Rh ohdopselaphus. 



11. First posterior cell open 12. 

 First posterior cell closed Pantarhes. 



12. Body more or less pilose, tibiae bristly 13. 

 Body naked, tibiae destitute of bristles Amphicosmus. 



13. Antennae as long as the head, the third Joint not longer 

 than the first two taken together 14. 

 Antennae less than one-half as long as the head, the third 

 Joint twice as long as the first two Exepacmus n. gen. 



14. First antennal Joint scarcely thicker than the second 32. 

 First antennal Joint twice as thick as the second Ploas. 



15. Wings with four posterior cells 16. 

 Wings with only three posterior cells anal cell closed 30. 



16. First posterior cell open 17. 

 First posterior cell closed 26. 



17. Anal cell open 19. 

 Anal cell closed 18. 



18. Proboscis not projecting beyond the epistoma Oncodocera. 

 Proboscis projecting for beyond the epistoma Phtiria. 



