PLATE XX. 
Celostoma zelandicum. a, adult female, dorsal aspect; 0b, adult female, 
ventral aspect; c, waxy tests of females of second stage on twig of Muhlen- 
beckia; d, female of second stage, dorsal aspect; e, female of second stage, 
ventral aspect, with anal tuft of cotton and seta; /, larva, with yellow 
mealy secretion; g, eggs, in cottony mass; /#, antenna of female, second 
stage; 1, foot of female, second stage; m, antenna of adult female; 1, 
spiracle and trachea of female; p, anal extremity and ‘“‘ honey-dew ” organ 
of larva and female of second stage. 
N.B.—The foot of the adult female is shown in Plate I., Fig. 6. 
