NO. 2156. SUBFAMILY ALEYRODINAE—QUAINTANCE tC- BAKER. 429 



wax pores, thougli the derm shows the granular appearance usual 

 in these forms. 



Vasiform orifice subcordatc in outline (fig. 7) ; the anterior margin 

 almost straight. The inner caudal margin is a thickened rim and is 

 without the teeth so usual in species of this type. The operculum is 

 similar in shape to orifice, almost completely filling it and covering 

 the lingula. This latter (fig. 8) may be seen through the operculum 

 and is elongate, slightly enlarged distally, setose, and bearing two 

 long spines. On ventral surface the antennae (figs. 9 and 10) are 

 quite evident, subcylindrical, and armed distally with a prominent 

 stout spine (fig. 11) ; legs plainly visible, the feet (fig. 12) terminating 

 in a disk-like structure usual for species of this type. 



Adults. — Unknown . 



Type.— Cat. No. 19055, U.S.N.M. 



DIALEURODES (GIGALEURODES) MAXIMA, new species. 



Plate 72, figs. 6-9. 



Specimens of this very large species were collected by Mr. George 

 Compere, at Manila, Philippine Islands, in 1910. The host is Ficus 

 species. 



Egg. — Length 0.21 mm. by about 0.1 mm., wide, subovate; stalk 

 very short; color dark brown; covered with coarse polygonal mark- 

 ings. 



Pupa case (fig. 6). — General color dirty yellowish white on leaf, 

 without secretion; quite flat, infesting both upper and lower leaf 

 surfaces. Shape circular or nearly so; in size very large, measuring 

 about 2.4 by 2.4 mm. By transmitted light the color is yellowish, 

 the evident marginal rim transparent. Dorsal area more or less 

 marked with orange, which color is faintly present on the breathuig 

 folds. The margin is practically entire, though somewhat incised by 

 the irregular ending of wax tubes. From the margin extend mward 

 the usual sutures marking the position of the functionless wax tubes. 

 A marginal area all around is fauitly evident. Dorsum but little 

 convex; the derm is figured with a network of polygonal markhigs; 

 sutures not distinct; the tracheal folds are quite evident, tmged with 

 yellow, and marked with minute dots; tracheal pores openmg just 

 within the margin of case, each with a subcircular chitiuized ring, 

 within which the margin is serrated (fig. 9), there bemg no distmct 

 finger-like processes or fimbriae; vasiform orifice (fig. 7) subcordate 

 in outlme, the cephalic margin straight, about as broad as long, and 

 distant from the caudal margin about 0.592 mm. The rim of the 

 orifice is thickened, and the mner lateral and caudal margm is mmutely 

 setose; the operculum has about the shape of the orifice, which it 

 nearly fills, its caudal portion and protruding tip of lingula setose. 

 On the ventral surface the legs are distinct and normal. 



