Vol. xxi] ENTOMOLOGICAL NEWS. 325 



depression. Wings reaching beyond tip of the abdomen. None of the 

 femora are swollen, and there are no spines on the pronotum. Length 

 22 mm. 



From Palmerlee, Arizona (Biederman). 



Zelus ferox n. sp. 



Pale yellow; sides of head in front and behind the eyes dark; an- 

 terior lobe of pronotum with black on sides, and a narrow incurved 

 stripe each side nearly connected to each other behind middle; posterior 

 lobe broadly dark on sides, black at humeri ; basal part of wings black; 

 dorsum of abdomen reddish ; below on prosternum is a black spot in 

 front of each coxa I ; all femora with a band beyond middle, and one 

 toward tip dark, sometimes a faint band near base of tibia, and some- 

 times the hind and middle femora have a band before middle. Head 

 short (shorter than in Z. exsanguis} with a distinct black-tipped 

 tubercle over base of each antenna; ocelli not two diameters apart; a 

 broad deep furrow on middle of pronotum, fading out toward hind 

 margin, humeri acute, upturned, but scarcely produced ; a faint tubercle 

 each side nearer hind edge of pronotum; pronotum and basal part of 

 wings with many fine, short, yellowish hairs ; wings extend beyond tip 

 of the abdomen. Length 13 mm. 



From Palmerlee, Arizona (Biederman). 



Zelus audax n. sp. 



Brownish yellow ; head with broad black stripe behind each eye, 

 leaving a narrow, median, yellow line, also blackish in front and 

 between eyes ; anterior lobe of pronotum black each side and on the 

 lateral margin, posterior part of the posterior lobe blackish ; abdomen 

 reddish above, black on sides at tips of the segments. Venter pale, a 

 black spot behind coxa I and also a smaller spot in front, a spot each 

 side at base of each ventral segment, larger near the base of the ab- 

 domen ; coxae mostly dark ; a broad band beyond middle, and one be- 

 fore tip of each femur; also two or three fainter bands on the tibiae; 

 second joint of antennae with broad band near middle, and the tip dark, 

 rest of antennae mostly dark, sometimes pale at base of third joint. 

 Head long and slender, ocelli more than two diameters apart, no 

 tubercles over base of the antennae ; anterior lobe of the pronotum with 

 a deep median groove ; posterior lobe with middle and lateral de- 

 pressions, the ridges terminating behind in four large, subequal conical 

 tubercles, the lateral ones at the humeri. Wings extend beyond tip 

 of abdomen ; body slender. Length 12 mm. 



From Sea Cliff, N. Y., in cedar trees, also Falls Church, Va. 

 Related to Zelus (Pindus) socius, but not as dark, and legs 

 differently marked. 



