[499] LEPIDOPTERA 225 



Determined by Professor Fernald. Hampson makes this a synonym 

 of trisectus Walk. 



Laodamia fusca Haw. 



Laodamia fusca HAW., Lep. Brit., 493, 1829. 



Eight examples : Juneau, June 25 ; Kukak Bay, July I. 



Family PTEROPHORID^E. 

 Platyptilia cosmodactyla Hiibn. 

 Platyptilia cosmodactyla HUBN., Samml. Eur. Schnett., 35-36, 1827. 



Four examples : Sitka, June 16 ; Virgin Bay, June 25 ; Kadiak, 

 July 20. 



Determined by Professor Fernald. 



Platyptilia petrodactyla Walk. 



Platyptilia petrodactyla WALK., Cat. Brit. Mus., 30, 940, 1864. 



Three examples: Popof Island, July 12, 13. 



One specimen was submitted to Professor Fernald, but he was un- 

 able to recognize it. Another example, in somewhat better condition, 

 seems referable here. The ground color of the wing is more ocherous 

 than in Walsingham's figure, and the brown band is less oblique, being 

 subparallel to the marginal band and approximate to it. There is a 

 slight dot near base of fissure, one below end of costal stripe and one 

 in center of cell ; but the figure in general suggests this species, and it 

 is stated that Walker's type is not in perfect condition. 



Family SESIID^E. 



Sesia culiciformis Linn. 



Sesia culiciformis LINN., Syst. Nat., 493, 1758. 



One example : Kukak Bay, July i . 

 Sesia arctica Beut. 



One example : Kadiak, July 20. 



Determined as a new species and named as above by Mr. Wm. 

 Beutenmuller, to whom it was submitted, and who favors us with the 

 following description : 



Sesia arctica Beutenmuller, sp. nov. 



Male : Head, palpi and thorax entirely black. Abdomen black 

 with a very narrow white band at the posterior edge of the second and 

 fourth segments. Anal tuft black. Legs black with the hind tarsi 

 dirty white. Fore wings transparent with black borders and a broad 

 transverse mark. Hind wings transparent with a narrow black mar- 



