new Brazilian Hemiptera. 385 
border are indicated by two small tubercles. On the ventral 
surface near the anterior margin there are two groups of three 
spines each. ‘These spines are tuberculate and lance-shaped, 
one pointing forward, the other two downward. 
Antenne of five joints, of which the third is the longest. 
Cornicles, cauda, claws, and digitules the same as in the 
preceding form. 
Adult winged female.—Brown, the antenna and dorsum of 
the thorax darker than the rest of the body. Antenne of 
five joints, joint 3 the longest. Length °500 to ‘597 millim. 
Length of joints : (1) 36-43, (2) 29-36, (3) 234-277, (4) 108- 
133, (5) 93-108. Joints 1 and 2 short and globose; joints 
3, 4, and 5 cylindrical, circled with numerous elevations, 
which, however, do not make complete rings, as the ends fail 
to meet on the dorsal surface. Eyes black. ‘Three ocelli are 
present, one at the base of each antenna and the other on the 
anterior margin between the antenne. Length of the body 
1:27-1-41 millim. Legs ordinary. Cornicles, cauda, claws, 
and digitules similar to those of the other forms. 
Wings colourless ; veins brown. ‘Lhe costa of the anterior 
wings has one branch near the distal end. The two oblique 
veins are united fora short distance near their bases. Poste- 
rior wings with two oblique veins. When at rest the wings 
are folded horizontally on the back. Length of fore wing 
2°05 millim.; extent 4°61 millim. 
Hab. Campinas, Brazil, ona species of palm; S. Paulo, on 
another species of palm, on a species of Hpidendron, and on 
Cattleya Harrisonia. 
Aleurodida. 
Genus ALEURODES, Latreille. 
Aleurodes Young?, sp. n. 
Full-grown larva broadly oval in outline, flat, usually bare 
and with no distinct fringe on the margin. Colour light 
yellowish to greyish; eyes small, dark chestnut-brown. 
Margin of body very thin, crenulated, with one pair of sete 
on the anterior end and two pair on the posterior end. Vasi- 
form orifice large, broadly subovate in outline, situated about 
0°100 millim. from the posterior margin of the body. Oper- 
culum short, subcordate, truncated posteriorly. Lingula not 
extending to the posterior edge of orifice ; distal end expanded, 
cordate; edges serrated, with a pair of prominent sete ex- 
tending beyond the posterior edge of orifice. Length 1°10 
millim.; width ‘80 millim. 
Ann. & Mag. N. Hist. Ser. 7. Vol. viii. 28 
