126 Transactions of the Boyal Society of South Africa. 
breaking away the bark and gum it was found that the whole edge of the 
cavity was lined with mealy-bugs and their ovisacs . These proved to be 
of this species. It was remarkable that although there were hundreds of 
female insects in the holes none were observed on the twigs of the tree 
itself. 
Material studied : 24 $ $ , 2 J' ^ , and numerous ova and larvae (Pre- 
toria material), and 14 $ ? (Grahamstown material). 
Collection Nos. : 60 and 63. 
26. PSEUDOCOCCUS ELISABETHAE Sp. U. 
Ovisac : Loose, cottony, white, usually more or less spherical, some- 
times sHghtly elongate ; may attain 3 mm. in length. 
Ova and larvae pale yellow. 
Adult ^ olivaceous-brown with opaque white wings. The two caudal 
filaments are white, slender, as long as the head and body together 
11. 
HI. 
IV. 
V. 
VI. 
VII. 
VIII. 
IX. 
180 
120 
110 
100 
90 
80 
70 
60 
50 
40 
30 
20 
10 
p. elisabethfiffe . 
without antennae. The measurements from a freshly mounted specimen 
are : — 
Length of head plus body 0-8 mm. 
,, antennae 0*6 mm. 
wing 0*9 mm. 
,, caudal setae 0*3 mm. 
The antennae are 10-jointed, the approximate measurements of the 
