NO, 2156. SUBFAMILY ALEYRODTNAE—QUAINTANCE d BAKER. 377 



ALEUROLOBUS SOLITARIUS, new species. 



Plate 47, figs. 8-13. 



This species is of special interest as coming from the United States. 

 Other members of the genus, it will be remembered, come from the 

 Orient. Our material of soUtarius, though limited to three examples 

 of pupa cases in balsam mounts and one pupa case on leaf, is sufficient 

 to warrant its description, as its characteristics are distinct. The 

 specimens were received from H. O. Woodworth, October 17, 1901, 

 and were sent from Champaign, Illinois, where they were supposedly 

 collected. The host is red-bud, Cercis canadensis. 



Pupa case (fig, 8). — Size about 1,4 by 1 mm., elliptical in shape, 

 very dark brown to blackish in color under transmitted light. Body 

 segments lighter and quite distinct. The transparent lunar eye- 

 spots noted in other dark-colored forms of this genus are in this species 

 not discernible. Dorsal and submarginal areas distinctly demarked 

 by a suture extending all around the case. On dorsal disk are a few 

 transparent dots, as indicated in the illustration. The setae and 

 their arrangement can not be satisfactorily determined in the speci- 

 mens in hand, due to their dark color, but these are probably placed 

 in the normal way for related forms, as marlatti. Vasiform orifice 

 (fig. 12) triangular in outhne, with the surrounding lobed area typical 

 of the genus. The operculum corresponds in shape to the outline of 

 orifice, which it nearly fills. The Hngula is not observable through 

 the dense brown operculum. 



The submarginal area is quite distinct as a fluted zone all around 

 the case. The margin is very faintly beaded by the ends of the wax 

 tubes, the sutures between which near the margin are distinct, but 

 are more or less anastomosed mesad (fig. 13). The marginal area 

 shows many minute transparent dots like those present on the dorsal 

 area. The tracheal pores on margin of case are indicated by a 

 bilobed or trilobed structure (figs. 9, 10, and 11) which is distinct 

 from the tracheal pores in other species of the genus thus far seen. 



On the leaf the pupa case appears dense black in color. There is a 

 fringe all around of glassy wax tubes, compact basally and spreading 

 by groups distad. These rods have a length of about one-half of 

 width of pupa case. Dorsal area more or less covered with scales 

 or plates of wax of general color of marginal fringe. 



Adults. — Unknown. 



Type.— Csit. No. 19103, U.S.N.M. 



ALEUROLOBUS TAONABAE (Kuwana). 



Plate 47, figs. 1-7. 

 Aleurolobus taonabae Kuwana, Pomona Journ. Ent., vol. 3, 1911, p. 623. 



Egg (fig. 1).— Size 0.16 by 0.99 mm,, elliptical, pointed at distal 

 end; pale yellow in color; stalk very short, dark brown. (We 



