MYRMELEON. 229 



whitish ; the apex only of the costal space biareolated. (From 

 the description of Walker.) 



Length to tip of wings 30 millim. Alar expanse 46 millim. 



Hah. Mexico (Coffin). 



9. M. ferox. 



Myrmeleon ferox Walt. Catal. 332, 52. 



Black, very slender; base of the antennae encircled with yellow; 

 vertex luteous, with au interrupted black band; face pale yellow; 

 palpi testaceous; antennae black, almost filiform, longer than the 

 thorax ; prothorax narrow, with a dorsal line and two points each 

 side, yellow; beneath yellow; meso- and metathorax margined and 

 pointed with yellow; abdomen much longer than the wings, the 

 apex forcipated, segments each side behind with a testaceous 

 point; feet testaceous, tibiae and tarsi black at apex; wings cine- 

 reous, pterostigma whitish ; a brown mark adjoining it on the front 

 wings ; veins fuscous, sometimes interrupted with white ; anterior 

 wings with three fuscous points at the submedian nerve, and an 

 oblique, apical fuscous streak ; posterior wings immaculate ; the 

 apex only of the costal space biareolated. (From the description 

 of Walker.) Male. 



Length to tip of wings 42 millim. Alar expanse 60 millim. 



Hah. California (Hartweg). 



10. M. exitialis. 



Myrmeleon ezitialis Walk. Catal. 376, 133. 



Black ; mouth luteous, each side with a yellow point ; vertex 

 each side with a yellow line and point ; antennee clavate, shorter 

 than the thorax ; prothorax short, narrower anteriorly, with six 

 luteous spots, the four anterior ones being placed in a transverse 

 series ; meso- and metathorax partly margined with yellow ; ab- 

 domen shorter than the wings, the segments margined posteriorly 

 with yellow; feet black, femora partly yellow ; tibiae bifasciate with 

 yellow, tarsi yellow at base ; wings subcinereous, long, narrow, 

 subacuniinate ; pterostigma pale yellow, marked each side by a 

 fuscous point, which is obsolete in the posterior wings; veins black, 

 interrupted with yellow ; anterior wings with a series of points at 

 the median and submedian nerves, and the veins partly banded 

 with fuscous ; only the extreme apex of the costal space biareolated. 

 (From the description of Walker.) 



