110 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.57. 



absent. Underneatli similar to male, the bone color of hind wing 

 darker in tone. 



Expanse. — ^Male and female, 56 mm. 



Habitat. — ^^iazatlan, Mexico. 



Type.— C&t. No. 22398, U.S.N.M. 



Named after its discoverer, Mr. A. Kiische. 



Suborder HETEROCERA. 



Family AMATIDAE. 



ISANTHRENE ILLEGfriMA, new species. 



Female. — ^Body black brown; some white scales on fore coxae, 

 the hind coxae and ventral spots on abdomen on basal segments 

 white; a white spot laterally on thorax below; some white scaling on 

 head behind; red spots on tegulae and shoulders; a white spot on 

 thorax anteriorly; some blue scaling on abdomen forming a line of 

 very faint dorsal intersegmental spots. Wmgs hyaline, the veins 

 black, the outer margins broadly black. Fore wings: the base black 

 with an angled red spot; discocellular broadly black. Underneath 

 with a tuft of white scales at base of costa on fore wing, the inner 

 margin of hind wing broadly shot with shining white. 



Expanse. — 32 mm. 



Habitat. — Cayuga, Guatemala. 



Type.— C&t. No. 22399, U.S.N.M. 



ISANTHRENE CAZADOR, new species. 



Male. — ^Head and thorax j^ellow. Antennae orange red; palpi 

 and legs red; the fore tibiae streaked with black, coxae white; frons 

 vertex, tegulae, and patagia edged with black. Abdomen yellow 

 with black segmental lines expanding into small dorsal spots, the 

 ventral surface black with white and brown transverse lines. Fore 

 wings yellowish hyaline, the veins fuscous; base of costa finely red, 

 yellow streaks belov/ costa, and above and below submedian vein; 

 these streaks not reaching beyond middle of wing; outer margin 

 narrowly black, expanding slightly at apex. Hind wings hyaline 

 white, the termen narrowly, the inner margin more broadly black 

 brown. Underneath the costal margins are crimson, the inner 

 margin of hind wing broadly chrome yellow. 



Expanse. — 46 mm. 



Habitat. — Escuintla, Guatemala. 



Type.— C&t. No. 22400, U.S.N.M. 



Allied to /. cajeiani Rothschild. 



SPHECOSOMA ROSEIPUNCTA, new species. 



Male. — Body yellow; contiguous salmon red spots on vertex; 

 collar and patagia edged with black; black patches on thorax ante- 



