NO. 1362. ALEYRODIDS OF CALIFORNIA— B EMM 507 



Collooted oil ArhiitHK menzh'sii near Ilaywards, CoMtra ( "osta County, 

 March t;, 1901, and later near Los Gatos, throut^li the adjacent valleys, 

 and on the slopes of the Santa Cruz and Sierra Morena mountains. 

 Also collected on leaves of Umhellularia calif onuca^ J[dt'rorneJe.'< arhu- 

 tifoVia, RJi(()n>iu.-i californica^ RhaiiinxLxeroeea., Clemdtls I'ujuHticifolia^ 

 Qucvois. <(<jrlf()l!(i, and Quercus densiflora in the same localities. The 

 species are found toj^ether with A. coronatus^ A. gdatuiosus^ A. xtan- 

 fordi^ A. irideseens^ A. ntgrans^ A. tentaeulatns^ and .1. glacialis. 

 Pupa cases are found upon both sides of the leaves, the earlier stages 

 only> upon the under sides; usuall}' there is ])ut one or two on a leaf. 

 Eggs were often seen, but as there were other species of pupa-cases 

 upon the same leaf, it was impossible to determine if they l)elonged 

 to A. tnconsj)ieu((. The same difficulty obtained with reference to the 

 adults, and only one male was bred in the laboratory. 



24. ALEYRODES MORI Quaintance. 

 Plate XXXIl, fig. .39. 

 Aleyrodt'i^ mnri Quaixtance, Can. Ent., XXXI, pp. 1-4. 

 On 21o)-us sp. at Tampa, and at Lake City, Florida, on Tilia ameri- 

 can((, CaUicdvpn (unericana^ Liqiiidaiidxir styraelflwi., Ilex oj>aca^ and 

 less frequently on Pem^i h(>rho)ila. 



25. ALEYRODES MADRONI, new species. 



Plate XXVIII, figs. 7-S. 



Pupa-case. — Size about U.'J by O.T mm.; broadlv elliptical; lateral 

 fringe nearl}' as wide as the case; dorsum covered with thinly scattered, 

 minute, semitransparent granules of white wax; between the margin 

 of the case and the central region, the granules form a narrow ellip.se 

 in which the wax is thicker; the same wax is also distributed in trans- 

 verse lines along the abdominal sutures. Dorsum of case shining- 

 black, Avitli a slight longitudinal keel, between which, and the margi- 

 nal rim the case is covered with minute depressions arranged in some- 

 what irregular, radiating lines, giving a striate a])pearance to the case; 

 the dorso-niedial and the thoraco-al)dominal sutures ai"e distinct, the 

 latter reaching to the margins. There is no marginal rim, but the 

 lateral wax tubes are slightly bent downward, the incisions shallow 

 and acute, the ends of the tubes reHexed and rounded; nies:id of the 

 margin there is a row of highly chitinized, large, conical ptipilhe 

 whose tips point outward; at base of, and incloseil by each of the 

 tubercles, is a transparent spaco, or it may be, an opening; niesad of 

 the tubercles is a row of minute i)ores and on each side of the median 

 line are two pai'allei rows; there is also a pair of ])ores latero-cephalad 

 of the vtisiform orilice in ]>lac(> of the usual haii's. On each side of 

 the abdomen within the bodv, tiiere is a larti'e. obloiii^-, oi-anu'e-colored 



