CORYDALIS. * 193 



2. C. lutea ! 



Corydalis lutea Hagenl 



Luteous ; mandibles impressed at base superiorly, transversely 

 sulcated, of the male a little elongated ; head large, broad, ferru- 

 ginous, the sides convex; the occiput with obsolete, luteous spots; 

 prothorax much narrower than the head, longer than broad, each 

 side of the middle obsoletely impressed, luteous spots behind and 

 at the sides ; feet lurid, base of the tibiae, base and apex of the 

 first and second articles of the tarsi, and the other articles entirely 

 nigro-fuscous ; male with four appendages, the superior ones 

 cylindrical, long, oblique, truncated at the apex; the inferior ones 

 recurved at the apex, clavate ; wings luteo-hyaline, veins luteous, 

 partly fuscous, with a few white points. {(^ and 9.) 



Length of body 70 — 85 millim. Alar expanse 110 — 140 millim. 



Hub. Mexico (Salle) ; Cordova (Saussure). 



3. C. cognata ! 



Corydalis cognata Hagen I 



Luteous-yellow ; male with elongated mandibles ; head large, 

 broad, the sides convex ; the occiput behind with two punctate 

 ochraceous streaks and a few obsolete points ; prothorax almost 

 quadrangular, a little narrower than the head, behind with a hasti- 

 form streak upon the middle, and lateral, elevated ochraceous 

 points ; feet lurid, apex of the tarsi obscurer, nails fuscous ; wings 

 yellowish-hyaline, the transverse veins fuscous ; upon the base and 

 apex of the costal space, a fuscous mark ; costal areoles with a 

 single white point, the other areoles with a series of white points, 

 at the radius clouded with fuscous. 



Length to tip of wings 60 millim. Alar expanse 100 millim. 



Hah. Pecos River, Western Texas (Capt. Pope's Expedition). 



4. C. soror! 



Corydalis soror Hagen 1 



Luteous; mandibles of the male not elongated; head broad, de- 

 pressed, the sides flat, with an alate, bidentate process ; a fuscous 

 stripe each side ; antennae short, slender, black, the two basal arti- 

 cles yellowish ; prothorax narrower than the head, longer than 

 broad, each side with a fuscous, trifoveolated stripe ; feet lurid, the 

 knees and apex of the tarsi obscurer ; appendages of the male four, 

 13 



