Vol. XXVJ ENTOMOLOGICAL NEWS 113 



carefully pursued study of chaetotactic variation in Lucilia and 

 Calliphora, especially the former, carried out by Mr. Phineas 

 W. Whiting (Ann. Ent. Soc. Am., vol. 6, pp. 257-267). The 

 author states that he secured female flies and caused them to 

 oviposit, rearing the progeny for study, but points out that the 

 issue of each female probably represents a mixed issue from 

 the paternal side, since copulation is frequent. Rearing the 

 flies from collected puparia and mating like individuals, or un- 

 like individuals, in each case tabulating both parental sets of 

 characters, will eliminate from the investigation this as well as 

 other conditions that might prove a source of inexactness. 



Mr. Whiting's results are not only extremely interesting 

 but highly suggestive. The data which he presents are exten- 

 sive enough to carry much weight. He is undoubtedly right 

 in attaching much importance to habitus in specific determina- 

 tion, involving general coloration and slight differences in form 

 including frontal width, by which criteria it seems certain that 

 more than four recognizable species of Lucilia exist in North 

 America. The series bred by Mr. Whiting from abnormal fe- 

 males is especially instructive. Such work can not fail to yield 

 results of great value in determining species limits. It is to be 

 hoped that Mr. Whiting will pursue this work farther. 



Notes on North American Tineina, with descrip- 

 tions of new species (LepicL). 



By ANNETTE F. BRAUN, Cincinnati, Ohio. 



Argyresthia media n. sp. 



Palpi, face and front part of the tuft on the head pale golden, tuft 

 white behind ; antennae pale golden with brown annulations. 



Thorax white, patagia golden. Fore wings silvery white, costal edge 

 suffused with pale golden. The markings which are dark bronzy 

 brown are distributed as follows : A rather broad fascia from the 

 middle of the dorsum reaches almost to the costal edge, widening just 

 below it, and sending a narrow spur obliquely outward where it joins 

 with the eleventh or twelfth of the narrow brown streaks which mark 

 the costal edge of the wing. Apical third of the wing entirely over- 

 laid with dark bronzy brown scales, except for two white costal spots 

 and three smaller dorsal spots. The proximal side of the dark apex 



