LESTES. 69 



the superior ones forcipated, with a basal internal tooth and an 

 obliquely truncated lamina upon the middle, with the apex serrated; 

 the inferior ones long, narrow, straight, the apex rounded, some- 

 what broader; wings hyaline, the pterostigma short, oblong, black; 

 eleven postcubital cross-nervules. (Male.) 



Length 40 millim. Alar expanse 39 millim. Pterostigma. 1J 

 millim. 



Hob. Mexico; Cuba (Gundlach) ; Brazil. 



8. L. vidua! 



Lestes vidua Hagen ! 



Brassy-black, mouth yellow ; dorsum of the thorax black-brassy, 

 a middle line and a narrow stripe each side, somewhat interrupted 

 at the wings, and subexcised, of a yellow color; sides yellow, with 

 a broad black stripe superiorly, which is broader at the wings, and 

 two spots inferiorly, also black ; beneath yellow, each side with a 

 marginal black spot; feet yellow, femora and tibiae exteriorly line- 

 ated with black, tarsi black ; dorsum of the abdomen brassy-black, 

 a basal yellow lunule upon the segments; sides yellow, venter black 

 (appendages destroyed); wings hyaline, pterostigma large, oblong, 

 fuscous, margined with yellow at the sides ; ten postcubital cross- 

 nervules. 



Length 40? millim. Alar expanse 45 millim. Pterostigma 1J 

 millim. 



Hob. New Orleans (Pfeiffer) ; Yienna Museum. 



It is similar to L. congener Hag. 



9. L. tenuata. 



Lestes tenuata Ramb. Neuropt. 245, 2. Selys, Poey Ins. Cuba, 463. 



Obscure bluish-green ; thorax obscure whitish, with four green- 

 ish-blue stripes, two of them dorsal ; feet pale, femora trilineated 

 with black, tibias beneath and tarsi black; dorsum of the abdomen 

 bluish-green, the sides pale, a yellow basal lunule upon the seg- 

 ments ; superior appendages forcipated, inside at the base with a 

 rounded tooth, behind the middle they are denticulated, and exte- 

 riorly dentated, the apex somewhat rounded ; the inferior ones 

 short, obtuse, the apex rounded, pilose; wings hyaline, pterostigma 

 black. (From the description of Rambur.) 



Length 45 millim. Alar expanse 50 millim. 



Hob. The island of Martinique. Similar to L. forficula. 



