154 
white, immaculate, forewing (Fig. 18^) 1.3 
mm. long, Ri absent. Male , vasiform orifice 
(Fig. 18c) subcircular. Operculum transverse, 
0.04 mm. wide, 0.02 mm. long, emarginate 
apically. Lingula 0.0-3 mm. long, 0.01 mm. 
wide, finger-like, rounded apically, slightly 
constricted basally. Gasper (Fig. 18 d) 0.155 
mm. long, acutely pointed and with a slightly 
rounded hump at mid-length mesally. Penis 
(Fig. 18c) as in figure. Not abruptly truncate 
but tapering more gradually to base of tooth. 
lectotype: Pupal case on slide mount in 
Masked collection. 
TYPE LOCALITY: Christchurch. 
food plants: Pittosporum eugenioides , Co- 
prosma lucida and several other trees. 
material: Two pupal cases (Masked ma- 
terial) on leaf in U. S. Bureau of Entomology. 
Pupal material labelled lecanioides in Canter- 
Fig. 17. Asterochiton simplex Mask. Pupal case: a , 
Margin; b , thoracic tracheal pore; c, abdominal tracheal 
pore; d, vasiform orifice. 
PACIFIC SCIENCE, Vol. XI, April, 1957 
Fig. 18. Asterochiton simplex Mask. Adult female: 
a. Antenna; b, forewing. Adult male: c, Vasiform orifice; 
d , clasper; e, penis, lateral view. 
bury Museum. Unmounted duplicate mate- 
rial in Masked collection. 
Genus Aleyrodes Latreille 
KEY TO PUPAL CASES OF NEW ZEALAND 
species of Aleyrodes 
Subcircular; 14 minute submarginal setae on 
each side; medial pigmentation light brown 
fodiens Masked 
Broadly elliptical; 11 submarginal setae on 
each side; no pigmentation 
winterae Takahashi 
