NATHAN BANKS. 211 



Type. — 9. From Herberton, Queensland, Australia, 20th 

 January, 5th February (Dodd). 



HEMEROBIIDAE. 



The family may be divided into four subfamilies ; the Dila- 

 rinae on account of female ovipositor and pectinate antennae 

 of the male ; the Psychopsinae on account of the union of 

 the subcosta, radius, and radial sector ; the Osmylinae on 

 account of the union of subcosta and radius near tip of the 

 wing, and the Hemerobiinae for the others. 



Table of Genera of Osmylinae. 



1. A distinct recurrent vein, giving off branches ; cross-veins (except 



costals) without bristles ; body thick and heavy ; in fore- 

 wings cubitus is forked near base, median a little way out 



(Polystoechotini) 2. 



No recurrent vein 4. 



2. With many cross-veins besides the gradate series ; a large plan- 



tula between claws Itlioiie. 



Hardly any cross-veins except the gradate series 3. 



3. Wings plainly falcate at tips Oriuiscoceriis. 



Wings hardly falcate af tips Polystoechotes. 



4. Wings practically without cross-veins, except the gradate series... 5. 

 Wings with man^- cross-veins besides the gradate series, and all 



bearing bristles 8. 



5. Outer margin of fore-wings distinctly emarginate ; cross-veins 



with bristles ; hind-wings with a fork to cubitus that runs 



very close to the hind margin {Berothini) 6. 



Outer margin of fore-wings not emarginate ; cross-veins not 

 hr x'sXXy {Si syrini) 7 . 



6. Radial sector at base connected to median ; five branches to radial 



sector Loiiiainyia. 



Radial sector not connected at base to the median 19. 



7. Radial sector with three branches before stigma ; no outer gradate 



veins Si.syra. 



Radial sector with but one branch before stigma ; some outer gra- 

 date veins Cliinacia. 



8. In hind-wings the cubitus has no fork running parallel to it. 



{Nyrnphi7ii) 9. 



In the hind-wing the cubitus has a long fork running parallel to it 

 for a long distance [Osniylini) 14. 



9. Beyond end of cubitus in the hind-wing are several rows of 



cells 10. 



Bsyond end of cubitus in hind-wing but one row of cells 11. 



TRANS. AM. ENT. SOC. , XXXIX. 



