LESTES. 65 



orange at the apex, margined interiorly with fuscous, the posterior 

 ones whitish beneath the apex. 



Length SI — 102 millira. Alar expanse 91 — 116 millim. 



Hab. Yera Cruz, Mexico (Salle) ; Caracas, Yenezuela ; Suri- 

 nam ; Lima. 



I possess a variety from Yenezuela which has the apex of the 

 wings green, beneath black (J"). 



3. M. lucretia! 



Libellula lucretia Drury, II, tab. xlviii, fig. 1. Sulze, Gescbichte der 

 Insect, tab. xxiv, fig. 4. — Agrion lucretia Burm.! II, 818, 1. — Agrion 

 amalia Burm. ! Handb. II, 818, 3. — Agrion tullia Burm. ! II, 818, 

 2. — Mecistogaster lucretia Ramb. Neuropt. 286, 7. — Mecist. linearis 

 Ramb. ! Neuropt. 282, 1 (£). — Mecist. virgatus Ramb.! Neuropt. 

 284, 4 ( % young).— Mecist. filiformis Ramb. ! Neuropt. 285, 6 ( $ ). 

 — Mecist. leucostigma Ramb. ! Neuropt. 286, 8(9)- 



Brassy-black, beneath yellowish ; head brassy-black above, a 

 rufous stripe, each side at the ocelli ; prothorax with two large 

 rufous spots upon the posterior lobe ; thorax, each side, with two 

 approximated yellow lines ; sides yellow, with a broad fuscous 

 stripe ; pectus yellow, a fuscous stripe upon the middle ; feet 

 brownish black, tibiae exteriorly greenish-yellow; abdomen ex- 

 tremely long brassy-black, the three last segments yellow at sides, 

 the apex of the last one yellow, excised ; superior appendages 

 livid, bent into a right angle, the apex subbifid, and interiorly a 

 basal tooth ; wings hyaline, posterior ones of the male having the 

 apex dilated in front, rounded ; pterostigma black, triangular : — 

 in the younger ones pallid; females, pterostigma black, oblong, 

 the apex of the wings subfuscous ; the younger ones are yellow, 

 with the apex of the wings milky-white. 



Length 110 — 112 millim. Alar expanse 120 — 144 millim. 



Hab. St. Domingo ; Bahia, Para, Rio, San Paul, Brazil. 



Legion II. AGRIONINA. 

 Two antecubital transverse nervules. 



LESTES Leach. 



The fourth apical sector broken ; the postcostal space simple ; 

 the quadrangular space trapezoidal, with the exterior inferior angle 

 5 



