1912] Pseudococcus of South Africa 179 
Ova: Amber yellow, 320-350 pu long, and 146-165 uw broad. 
Adult 9 : Largest specimen found, with ovisac completed, measured 
while alive 4.45 mm. long by 2.64 mm. broad. 
Antenne: Plate XV, Fig.5. Antennalsegments, measurements in p. 
| 
II | (BME) | ee | WAIL |) \WACIE- 9) WAKEIE 
—_ 
le) 
ra 
5 
ct 
n 
ad 
Range of measurements... | 52 Z\ 58-76 52-76 34 46 36 48, 36-48) 40-54, 96-120 
Most common Fes in ta 60, 66, 62, Be 60, 65, 42 | 42 44 46 | 108 
Average of 30 meas’r’m’ts.| 62.6 | 64.5 64 | 39.3 | 43.3 | 42.8 | 47.5 | 106.6 
Sete of Anal Lobes: 180 uw to 270 uw with 225 uw the commonest length’ 
Sete of Anal Ring: 108-138 pw with 115 » the commonest length. 
The distribution of spines and pores round the anal lobes is shown 
in Plate XVI, Fig. 1. 
Remarks: P. citri is one of the greatest worries of nursery- 
men on Coleus, and was also quite common in the Cape 
Peninsula on Oleander. 
Pseudococcus lounsburyi n. sp. 
Ovisac: When complete entirely enclosing the adult @, large, 
elongate, oval, composed of threads which, when seen under the micro- 
scope have almost a glassy appearance; 
4.5 mm. long, by 2.25 mm. broad. Large 
numbers of ovisacs were often found mat- 
ted together between leaf-bases, some- 
times forming a mass two inches long 
by almost as wide. 
Ova; Closely surrounded by fibres 
of the ovisac; orange yellow, 340 u long 
by 176 win diameter. 
Larve: Newly emerged, are nearly 
transparent, showing but the slightest | 
tinge of the usual purplish coloring 680 wu 
long and 260 uw broad; antenne trans- 
parent, of 6 joints. 
Male: Puparium small, brownish 
white. Adult of the usual Pseudococcus 
o form (see figure) with body purplish _ 
red in color, .9 to 1.020 mm. in length 
and .255 mm. across the thorax, the © ee 
widest part of the body; legs and anten- ==iaEn=nlosssei ad 
ne pale yellow, and semi-transparent. Fig 
Antenne of 10 joints, .5664 mm. long, eyes Gt OL ee ae lounsburyt, 
black; caudal appendages, when living, greatly enlarged. 
two stout, .255 mm. long, and two more 
slender, nearly half as long. Males emerge November and early 
December. 
