ODONATA OF BAJA CALIFORNIA. 475 



Subfamily AGRIONIN^. 

 Archilestes Selys. 



Selys, Bull. Ac. Belg. (2) xiii, p. 294, 1862. 



2. Archilestes grandis Rambur. PI. xv, figs. lo-ii. 



Lefites g. Ramb. Iiis. Nevr. p. 244, 1842. Hagen, Syu. Neur. N. A. 

 p. 66, 1861. .4. (I- Selys, Bull. Ac. Belg. (2) xiii, p. 294, 1862. 

 1? (teueral) Comoudu. 

 1(5 1 Sau Jose del Cabo. 



1 San Jose del Cabo, Sept., 1893, G. Eisen. 

 24 18 San Jose del Cabo, Oct., 1893, G. Eisen. 



5 2 Mesa Verde, Oct., 1893, G. Eisen. 



1 Sierra Laguna 2000 ft., Oct., 1893, G. Eisen. 



2 Sierra El Taste, Sept., 1893. 



5 1 Sau Jose del Cabo, Sept., 1894, Eisen & Vaslit. 



36 S 26? 



The only known species of the genus. As mentioned 

 by Rambur in his original description, the greatest part 

 of the last two segments of the male are yellowish, or 

 perhaps bluish; in the female it is only the tenth segment 

 which is mostly pale in color. 



Distribution. U. S. Colombia, Venezuela, Mexico 

 (Vera Cruz, Guanajuato, Baja California), Texas (Blanco 

 Co., P. P. Calvert's coll.) 



Argia Rambur, 



Eambur, Ins. Nevr. p. 254, 1842. Selys, Bull. Ac. Belg. (2) xx, p. 

 382, 1865. Calvert, Trans. Am. Ent. Soc. xx, p. 220, 1893. 



Synopsis of the species of Peninsular California. 

 I. Rear of the head blue in life. 



1. A black basal streak on each side of 3-5 or 6 in $ but not in 3 ;^ 

 upper half of black humeral stripe usually forked; femora with an 

 anterior and a superior black line. S Apex of sup. app. rounded, 

 entire, with a small inner, inferior, anteapical denticle. ? 8-9 or 10 

 with a black, basal streak each side. agrioides (Selys MS.) n. sp. 



2. A black basal streak on each side of 3-5 or 6 in both S and $ ; 

 upper half of black humeral stripe usually not forked; the two black 

 lines on the femora often fused together. J Apex of si;p. app. an 

 acute angle, a minute tubercle on outer side of appendage. $ 8-10 

 unspotted with black, or 9 only with a black basal spot each side. 



vivida Selys. 



