88 Btilletin of the Brooklyn Entomological Society Voi. viii 



MALES 



© Strigil and asymmetry dextral @. 

 © Strigil and asymmetr}^ sinistral @. 



7 mm. or more in length. Palee ligulate ®. 

 @ 6 mm. or less in length ®. 

 © Length 10-10^^ mm., lineations 9-10. Palar pegs 26-30. 



A. interrupta (Say). 

 ® Length 9-9 >^ mm. Lineations 8-9 pegs 21-24. 



A. nitida (Fieber). 

 ® Length lyi-iyi mm. ; a clear spot on the outer lower margin 

 of coritim. 



A. nitida var. minor Abbott. 

 ® Tegminal lineations coalescent into solid black. Corium 

 bordered with yellow. Pegs 18 or more, parallel 

 to dorsal margin. 



A. hydatotrephes Kirkaldy. 

 ® Tegminal lineations evident ®. 

 ® Metathoracic wings aborted. Head large with prominent 

 angles. Surface dull and rough. 



P. buenoi Abbott. 

 ® Metathoracic wings present ®. 



® Palar pegs 20 or more ®. 

 ® Palar pegs 17 or less ®. 

 © Claval lineations entire (or slightly forked), tegmina strongly 



rastrate ®. 

 © Claval lineations interrupted. Pegs 20-21 in an evenly curv- 

 ing row, midway the upper and lower margins. 



A. compressa Abbott. 

 ® Length 6 mm. Pegs 38^0. 



A. alternata (Say). 

 ® Length less than 5 mm. Pegs 25-26, following the 

 upper margin of the pala. Claval lines forked. 

 A. scabra Abbott. 

 ® Length less than 5 mm. Pegs 24, along the lower 

 margin of the pala. 



A. pectenata Abbott. 

 ® Length 3)4 mm. or less. Pegs 17-18, Pronotal lines 5. 



A. bradleyi Abbott. 



