238 NEUROPTERA OF NORTH AMERICA. 



* Eyes sulcated. 



1. A. hyalinus ! 



■Ascalaphus hyalinus Latr. Humboldt Recueil, II, 118, tab. xl, fig, 7. — 

 Ascalaphus macleayanus Guild. Trans. Linn. Soc. Lond. XIV, 140, 

 tab. vii, fig. 11; Walk. Catal. 436, 51. — Ascalaphus senex Burm.! 

 Handb. II, 1001, 7. — Ascalaphus A-maculatus Say, Long's Exped. II, 

 305. 



Fusco-ferruginous ; front fuscous, above gray, vertex with fus- 

 cous villosity ; antennce fuscous, the base with fuscous hair, the 

 apex luteous, incisures black, club oblong, black, beneath striated 

 with luteous; eyes lurid posteriorly; thorax fuscous upon the dor- 

 sum, varied with ferruginous; pectus clothed with white hair; feet 

 fusco-luteous, tibiae with a narrow, black basal annulus, apex of the 

 tarsal articles black ; abdomen fusco-cinereous, the dorsum with 

 oblique black streaks each side; wings equal, the apex subobtuse, 

 base of the anterior ones subemarginated, the base of the posterior 

 ones with fuscous villosity; hyaline, veins luteous, partly fuscous; 

 pterostigma small, nigro-fuscous. 



Alar expanse 55 millim. Length of the antennsB 25 millim. 



Hab. Savannah; Pennsylvania (Say); Matamoras, Mexico; Cu- 

 ba; Island of St. Vincent; Pecos River, Western Texas (Capt. 

 Pope). 



2. A. avunculus! 



Ascalaphus avunculus Hagen! 



Very closely allied to the preceding; it differs in having the 

 vertex clothed with gray villosity ; the eyes above, posteriorly yel- 

 low, with a transverse brownish-black band, beneath brownish- 

 black ; club of the antennae yellow beneath; in the males, the 

 antennas much longer; feet fuscous, tibiae and tarsi black; the head 

 less thick. 



Alar expanse 50 millim. Length of the antennte 23 ; J* 33 

 millim. 



Hah. Cul)a (Poey). 



3. A. quadripunctatus ! 



Ascalaphus quadripunctatus Burm.! Handb. II, 1001, 9. — Ascalaphus tri- 

 maculatus Lefeb.! 



Fuscous; front fuscous, gray above, vertex with fuscous villosity; 

 antennae luteo-fuscous, the incisures black; base with fuscous pile, 



