Aleyrodidae of New Caledonia — DUMBLETON 
25, pts. 7-8, pp. 131-141, 1956): caledonicus 
Dumbleton, dentatus Dumbleton, incognitus 
Dumbleton, montanus Dumbleton, plumensis 
Dumbleton, and porosus Dumbleton. Russell 
described another species, O. noumeae, from 
citrus in New Caledonia and keyed the existing 
species of the genus, which include 0. calophylli 
Russell from Tonga. 
Orchamoplatus per dentatus sp. n. 
Fig. I6a-c 
pupal CASE (Fig. 1 6a-c ) : Length 0.95 mm., 
width 0.79 mm. Colour black. Widest slightly 
behind mid-length, flat subcircular, deeply con- 
stricted across thoracic combs. Margin with 
teeth prominent, rounded, as long as wide. Sub- 
marginal line distant from margin, meeting and 
continuous with transverse moulting suture on 
each side and together completely enclosing the 
cephalothoracic area. Submargin with a single 
row of papillae, about 18 anterior to the tho- 
racic tracheal comb and 37 posterior to it on 
each side. Eye spots triangular, distant from 
submarginal line. Thoracic tracheal fold not in- 
dicated, comb (Fig. 1 6b) with about 6 teeth 
which are more rounded apically than in denta- 
tus. First abdominal segment with a pair of 
setae and the usual paramedian pores on seg- 
ments 2 to 5. Segment 6 with 1 pair of spe- 
cialised papillae identical with those on the sub- 
margin. Eighth abdominal seta on tubercles 
about mid-length on rim of orifice. Vasiform 
orifice (Fig. 1 6c) subcircular, 0.07 mm. long, 
slightly transverse. Operculum filling orifice. 
Lingula not visible. Caudal setae 0.05 mm. long. 
Abdominal tracheal fold faintly indicated, comb 
with 6 or 7 teeth, separated, rounded apically. 
HOLOTYPE: Pupal case on slide mount. De- 
posited in Institut Fran^ais d’Oceanie, Noumea, 
New Caledonia. 
TYPE LOCALITY: New Caledonia, coll. F. 
Cohic. 
food PLANT: Undetermined. 
The unique specimen is distinct. O. citri Ta- 
kahashi, the only other species with papillae 
on the disc of the dorsum, has several papillae 
laterad on the abdomen and is pale in colour. 
The species is separable from O. dentatus Dum- 
bleton by the following characters: more cir- 
133 
h 
Fig. 16. Orchamoplatus perdentatus sp. n. a, Pupal 
case; h, pupal case, thoracic tracheal pore and comb; 
c, pupal case, vasiform orifice and caudal margin. 
(Scale in mm.) 
