new Brazilian Hemiptera. 387 
Aleurodes struthantht, sp. n. 
Pupa broadly ovate or subcircular, slightly pointed, and 
narrower anteriorly than posteriorly, flat, hard, black or a 
mixture of black and yellowish. Dorsum bare, and no lateral 
fringe of wax present. Lateral margin of body not crenulated. 
In all specimens there is a narrow black marginal border. 
The rest of the dorsum is black except a A -shaped yellowish 
patch near the anterior margin, with a small yellowish spot 
behind it on each side, and a semilunar space near the poste- 
rior margin of the same colour. In many specimens the 
dorsum shows a reticulated appearance as well as many fine 
radiating lines, especially near the margin. Surface or 
margin without hairs or sete. Vasiform orifice about -400 
millim. from the posterior margin of body, small, hemi- 
spherical. Operculum hemispherical, completely closing the 
orifice. Lingula small, subspatulate, with two lobes on each 
side and one terminal lobe. At the base of the orifice there 
is a pair of crescent-shaped thickenings. The scale is perfo- 
rated at three places, posteriorly at the anal orifice and 
laterally at the first stigmatal areas. ‘These perforations are 
very small and close to the margin. Length 2°20 millim.; 
width 1:90 millim. 
Adult female unknown. 
Adult male yellowish brown in colour; eyes large, black, 
dumbbell-shaped, nearly separated in the middle. Wings of 
a uniform smoky colour. Length of body 1°60 millim. ; 
extent of wings 3°60 millim. ‘The basal branch of the vein 
in the fore wing is but slightly developed. Legs long and 
hairy. Antenne of seven joints, *805-"870 millim. long. 
Length of joints in py: (1) 35, (2) 63-70, (3) 84-122, 
(4) 14, (5) 14-21, (6) 252-273, (7) 315-350. Genitalia 
well developed, forcipate ; valves strongly curved at tip and 
furnished with a few hairs. Penis about 2 length of valves, 
bent upward with a slight gradual curve. 
Hab. Paruahyba and 8. Paulo. On Struthanthus flexi- 
caulis, Mart., growing on orange, Mechilia flava, and an 
unidentified forest tree. 
Genus ALEURODICUS, Douglas. 
Aleurodicus Cockerellit, Quaintance. 
Grown larva and pupa yellowish, about 1:87 millim. long 
and 1°33 millim. wide; very flat ; lateral edge thin. Dorsum 
covered with a dense thick mass of white secretion, arranged 
in a marginal fringe, and a submarginal oval ring. 
28* 
