114 BULLETIN 44, UNITED STATES NATIONAL MUSEUM 



Genus MAMESTRA Ochs. 

 1816. Ochs., Schmett. Eur., iv, 76. 



A monographic revision of the species of this genus will be found in 

 the Proc. U. S. Nat. Mus., xiv, 197-276, PI. vm xi, 1801. This paper 

 contains descriptions of all the species, but is not referred to in the 

 bibliography save when necessary to establish synonymy or generic 

 reference. Where not otherwise stated, my identifications are correct. 



M. discalis (Jrt.* 

 1877. Grt., Bull. Geol. Surv., in, 797, Mamestra. 



HABITAT. Colorado, Gleiiwood Springs, September and October ; 

 California; New Mexico. 

 The type is in the British Museum. 



M. rogenhoferi Mceschl. 

 1870. Mceschl., Stett. Ent. Zeit., xxxi, 269, Mamestra. 



HABITAT. Labrador. 



The type is in the Moeschler collection. 



M. nimbosa Gn.* 



1852. Gil., Spec. Gen., Noct., n, 77, Aplecta. 



1857. Wlk., C. B. Mus., Het., xi, 555, Enrols. 



1873. Grt., Bull. Buff. Soc. Nat. Sci., I, 102, Hamexlra. 



1875. Speyer, Stett. Ent. Zeit., xxxvi, 142, 349, Mammtra. 



HABITAT, Canada; Northern, Eastern, and Middle States, June, 

 July, and August; Colorado; British Columbia. 

 The type is in the British Museum. 



M. imbrifera Gn.* 



1852. Gn., Spec. Gen., Noct., n, 76, Aplecta. 



1857. Wlk., C. B. Mus., Het., xi, 555, Enrols. 



1873. Grt., Bull. Buff. Soc. Nat. Sci., i, 102, Mamestra. 



1875. Speyer, Stett. Ent. Zeit., xxxvi, 144, Mamestra. 



HABITAT. Canada: Northern. Eastern, and Middle States in July; 

 Colorado. 

 The type is in the British Museum. 



M. purpurissata Grt.* 



1864. Grt., Proc. Ent. Soc. Phil., in, 82, pi. I, f. 5, Enrols. 

 1873. Grt., Bull. Buff. Soc. Nat. Sci., i, 102, Mamestra. 



var. juncimacula Smith.* 



1882. Smith, Bull. Bkln. Ent. Soc., v, 67, Hadena. 

 1891. Smith, Proc. IT. S. Nat. Mus., xiv, 206, an var. pr. 



HABITAT. Northern, Eastern, and Middle States; Utah; Colorado; 

 July to September. 



Mr. Grote's type is in the British Museum: mine is in the National 

 Museum. A series of specimens received from Colorado, collected by 

 Bruce, are all of the variety, indicating a geographical race at least, 



