254 Journal New York Entomological Society. [Voi. viii. 



1900. Some New Genera and Species of riiycitina;. (Can. Ent., Vol. XXXII, 



1900, p. 169.) 

 19DO. New Species of Lepidoptera. (Journ. N. Y. Ent. Soc, Vol. VIII, 1900, 



pp. 215-225.) 



TWO NEW SESIID^. 



Bv Wm. Beutenmuller. 

 Sesia mariona, sp. nov. 



Female. Head white, vertex pinkish ; collar pale pinkish above, white beneath; 

 palpi white. Antennae black, with a greenish lustre. Thorax green black with a 

 very large bright red patch on each side in front, contiguous with the bright red line 

 on each side above. Abdomen and anal tuft wholly metallic green black. Legs 

 metallic green black, anterior coxcu white. Fore wings metallic green black with a 

 broad, bright red line along the inner margin ; extreme edge of costa pale testaceous 

 or dirty white. Hind wings brown with a violaceous lustre, central part with two 

 transparent areas, the upper one broken by the discal mark. Underside of wings 

 brown with a decided violaceous lustre, costal margins pale testaceous. Expanse, 

 17-20 mm. 



Habitat : Trimble and Pagossa Springs, and Durango, Colorado, 

 July 6, 19 and 30, 1899. 



Types : Two females. Coll. Dr. William Barnes, Decatur, Illinois. 

 One female. Coll, Am. Mus. Nat. Hist. 



Described from three females. The male and earlier stages of the 

 species are unknown. 



Sanninoidea grsefii, var. barnesii, var. nov. 



Female. Head, thorax and legs entirely metallic blue-black. Abdomen blue, 

 black, with the fourth segment above orange. Fore wings opaque blue-black. Hind 

 wings transparent with the margin blue-black. Expanse, 28 mm. 



Habitat: Clear Creek Cafion, Colorado, August. 



Type : Coll. VV. Barnes, Decatur, Illinois. Like the type form, 

 but has the fourth abdominal segment orange above, giving it the 

 aspect of the female oi Sanninoidea exitiosa. 



