272 NEUROPTERA. 
Synopsis of the Species of Mexico and Central America. 
I. Anterior lamina of the male less prominent than the genital lobe. 
Thorax brown to black, each side with a pale antehumeral stripe one-third to 
one-fifth as wide as the dark colour which separates it from the mid- 
dorsal carina; wings yellowish or brownish at base out to the first ante- 
cubital or less, sometimes darker in the subcostal and submedian spaces, 
apex varying from uncoloured to more or less brown, which may extend 
inward as far as the distal (3) or proximal ( 2) end of the stigma; hind 
wing with 3-4 rows of cells between the proximal subbasal sector (A; of 
C. & N.) and the anal “angle.” Abdomen, ¢ 26-31, ? 25-381°5; hind 
wing, ¢ 28-35, ? 285-35; costal edge of stigma, front wing, g 3°2-3:9, 
B2-A4mm.. ee ee ee eee ee ee ee 1, elon, 
[Thorax brown, each side with a pale antehumeral stripe nearly as wide as the 
brown separating it from the mid-dorsal carina; wings brownish at base 
out to internal triangle on front wing, to discoidal triangle on hind wing, 
centres of the cells clearer, darker streaks in the subcostal spaces, apex 
brown for a width of 1-2 (3), 2-5 (?) cells; hind wing with 4-5 rows 
of cells between A, and the anal “angle.” Abdomen, ¢ 28-82, ? 32; 
hind wing, ¢ 325-35°5, 9 35°5-36°5 ; costal edge of stigma, front wing, 
3 33-85, 9 445mm. ....2.2. ~~. we ee . fugar*.] 
Thorax reddish, no pale antehumeral stripes ; wings reddish- brown (¢) or 
yellowish (¢) at base out to the level of the middle of the internal 
triangle on front wing, to distal angle of discoidal triangle on hind wing, 
apex uncoloured (¢) or dark brown in to the middle of the stigma ( ¢ ) ; 
hind wing with 6-7 rows of cells between A; and the anal “angle.” 
Abdomen, & 29-80°5, ¢ 30; hind wing, g 38-89, ? 40; costal edge 
of stigma, front wing, 6 35, 95mm. . . woe ew ee ww eR maya, 
II. Anterior lamina of the male more prominent than the genital lobe. 
Thorax dark reddish-brown, no pale antehumeral stripes ; wings uncoloured, 
or with avery faint yellowish tinge at extreme base out to less than half- 
way to the submedian cross-vein ; hind wing with 3-4 rows between A; 
and the anal “angle.” Abdomen, § 27°5-38, 9 28; hind wing, 
3d 315-388, 2? 84; costal edge of stigma, front wing, ¢ 4-4°6, 
Q 47mm... 6. 6 ee ee ee eee ee ew ee eee 8 cannacrivides. 
1. Dythemis velox. 
Dythemis velox, Hagen, Syn. Neur. N. Amer. p. 163 (1861)*; Proc. Bost. Soc. Nat. Hist. xviii. 
p. 75 (1875) °; Calvert, op. cit. xxviii. p. 309 (1898)*; Needham & Cockerell, Psyche, x. 
p. 189 (1903) *; ? Needham, Proc. U.S. Nat. Mus. xxvii. p. 699, t. 42. fig. 2 (nymph) (1904) °. 
* Fuga, Hagen, Syn. Neur. N. Amer. p. 163 (1861); Calvert, Proc. Bost. Soc. Nat. Hist. xxvili. p. 309, 
t. 1. figg. 6, 7 (femora 2, 3) (1898); known from Texas, may be expected in Northern Mexico. Its supposed 
nymph has been described by Needham and Cockerell, Psyche, x. 1903, p. 189; Needham, Proc. U.S. Nat. 
Mus. xxvii. p. 700, fig. 2 (1904). 
