Vol. xxix] ENTOMOLOGICAL NEWS. 245 



Fig. 2. Notonccta ralciyhii. Size of adult, ?; valve of ovipositor 

 .4 mm. x .25 mm. Specimen given to me by Mr. J. R. de la 

 Torre Bueno. 



Fig. 3. Notonccta undulata. Size of adult, 10-13 mm.; valve of ovi- 

 positor, .5 mm. x .312 mm. Material from Ithaca, New York, 

 and Lawrence, Kansas. 



Fig. 4. Notonccta rariabilis. Size of adult, 8.2-10.2 mm.; Valve of 

 ovipositor, .4 x .312 mm. 



Fig. 5. Notonccta insulata. Size of adult, 12.6-15.5 mm.; valve of 

 ovipositor, ./ x .425 mm. Material from Palo Alto, California. 



Fig. 6. Notonccta glauca. Size of adult, ?; valve of ovipositor, 1.125 

 x .55 mm. Loaned from Nat. Museum by Mr. Gibson; a 

 specimen from England, collected by Uhler. 



Fig. 7. Xotonccta mc.vicana. Size of adult, 11-14 mm.; valve of 

 ovipositor, .7 x .5 mm. Specimens from Arizona. 



Fig. 8. Notonccta shootcrii. Size of adult, 8-13 mm.; valve of ovi- 

 positor, .65 x .375 mm. Specimen given to me by Mr. J. R. 

 de la Torre Bueno. 



Fig. o. Notonccta irrorata. Size of adult, 11.8-14.4 mm.; valve of ovi- 

 positor, 1.675 x -575 mm - Material taken at Ithaca, N. Y. 

 Fig. 10. Nntonccta tihlcri. Size of adult, 12 mm.; valve of oviposi- 

 tor, .65 x .35 mm. Specimen given to me by Mr. de la Torre 

 Bueno. 



Fig. II. Notonecta indica. Size of adult, 10.5 mm.; valve of ovipositor, 

 5 x -375 mrn ' Material from Douglas, Arizona, collected by 

 Dr. Snow. 



New Genera and Species of Lyonetiidae (Micro- 



lepidoptera). 



By ANNETTE F. BRAUN, Cincinnati, Ohio. 



Opostega bistrigulella n. sp. 



Head and thorax white. Fore wings white ; an oblique fuscous 

 spot at the middle of the dorsal margin with its apex pointing toward 

 the apex of the wing. In the cilia before the apex are a very oblique 

 costal and opposite dorsal streak, the dorsal a little the more oblique 

 and running to the base of the black apical spot. A fuscous line in 

 the cilia around the apex about equally distant from the apical spot 

 above and below the apex, and leaving between it and the oblique 

 costal streak a patch of pure white cilia. Hind wings and cilia almost 

 white. Legs pale yellowish white. Abdomen grayish. Expanse: 12 

 mm. 



