534 PROCEEDINGS OF THE NATIONAL MUSEUM vol. xxvn. 



Ooti/j)es.—'So. 7102, U.S.N.M. 



Collected b}' the author on an unnamed species of Aretcmtapliylos in 

 Yosemite Valley. July, 1902; only a few pupa-cases found. 



62. ALEYRODES MELANOPS Cockerell. 



Aleyrodes melanops Cockerell, Proc. Acad. Nat. Sci. Phila., May, 1902, p. 283, 

 and in an unpublished bulletin written for the Florida Exper. Station, by 

 T. D. A. Cockerell. 



Pupa-case. — Length about 1.5 mm., broad-oval, black, similar in 

 sti'ucture to A. perlleucus., but larger and with the fringe much longer 

 and curled over, so as to be strongly convex above. 



Adults unknown. 



^1. melanops is possibly only a variety of ^1. perile^icus. 



Found by T. D. A. Cockerell at Alpine Tavern, Mount Lowe, Cali- 

 fornia, on upper sides of leaves of Quercus. 



63. ALEYRODES STRUTHANTHI Hempel. 



Alei/rodes stritthaiithi Hempel, Annals & Mag. Nat. Hist., sec. 7, VIII, pp. 385- 

 ' 387. (1901. ) 



On Struthanthus jlexicaulis., Mart., orange, Tlchilla jiava., and an 

 unidentified forest tree. 



Ilahitat. — Paruahyba and Sao Paulo, Brazil. 



64. ALEYRODES YOUNGI Hempel. 



Aleyrodus Youngi Hempel, Annals & Mag. Nat. Hist., sec. 7, VIII, pp. 385. 

 "(1901.) 



On cabbage and collards, Ignape and Campinas, State of Sao Paulo, 

 Brazil. 



65. ALEYRODES MORI ARIZONENSIS Cockerell. 



Plate XXXII, figs. 38-38a. 



Aleyrodes mori arizonensis Cockerell, Science Gossip, 1900, p. 366. 



pKpa case. — Size about O.T by 0.55 mm.; elliptical, shiny black. 

 Margin with a copious white, cottony fringe all around; continuous 

 basally but ragged distally. Case moderately convex, with evident, 

 rounded median ridge. The pupa is like that of ^4. mori Quaintance, 

 but the lateral margins of case are more deeply crenulated. The 

 adult has the wings white, with black markings, which show consider- 

 able variation in arrangement (Plate XXXII, fig. 38). This species 

 occurs on orange trees in the Southwest. Collected at Mesa, Arizona, 

 by T. D. A. Cockerell, and at Zapotlan, Mexico, b}^ Prof. C. H. T. 

 Townsend. " 



«The above description is from a letter by Mr. Cockerell, the writer not being able 

 to get access to references. 



