80 NEUROPTERA. 



apex scarcely darker ; the margin of the last segment 

 in the male deeply emarginate, with a black brush, 

 and on each side with a cylindrical process, which 

 appertains to the hinder margin and not to the App. 

 anales. The coloration and marking of the anterior 

 wings is remarkably constant in this species. 



Length oh lin. ; exp. 10 tin. 



Hab. London, in June ; rare. 



26. L. sparsus, Curt. Phil. Mag. 123; Steph. 111.223,31; 

 L. tenebricus, Curt. Phil. Mag. 123; Steph. 111. 222, 

 29; L. vinculum, Curt. Phil. Mag. 124; Steph. 111. 

 222, 28 ; L. fuscus, Steph. 111. 221, 25 ; L. puncta- 

 tissimus, Steph. 221, 27; L. fuscatus, Steph. 222, 

 30 ; Ramb. ; D. Megerlei, Kolen. 



Chestnut brown ; antennae annulated with yellow ; ab- 

 domen greyish brown ; legs dark testaceous, the 

 intermediate tibiae annulated with black; anterior 

 wings chestnut brown, closely sprinkled with small 

 light yellow dots ; on the hinder margin and within 

 close to the brown pterostigma there is a large yellow 

 spot ; along the hinder margin cwo darker streaks ; 

 posterior wings hyaline, grey, with the apex dark 

 brown ; the margin of the last segment in the male 

 produced into a roundish lobe, with a black brush 

 at the apex. 



The coloration of the anterior wings is remarkably 

 variable, according as the yellow dots are more or 

 less numerous and close together; sometimes they are 

 entirely wanting, with the exception of the spot on the 

 hinder margin and near the pterostigma ; the wings are 

 then almost of a uniform dark brown, and essentially 



