EXPLANATION OF PLATE. 

Life History of Zomaspis postica. 
Eggs are inserted by means of the Ovipositor into the tissue of withering cane 
or grass leaf sheaths. They are 0.80 mm. long X 0.24 mm. broad. 
Fic. 1. — Eggs recently laid, front view. Colour light yellow. Anterior end 
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bears a « hatching lid », which is white in this stage, but becomes jet- 
black with age. 
. — Egg after nymph has escaped by pushing «lid » open. 
. — Side view of egg just before hatching of nymph. Colour of shell 
white, eyes of nymph, which are red, and abdominal segments show 
through shell when viewed by transmitted light. 
. — Newly hatched nymph. Colour light yellow, eyes red. An internal 
red organ gives abdomen a reddish tinge on the sides. 
. — Full grown nymph before changing to perfect Insect. Colour, head 
and thorax light brown. Wing pads black. Abdomen light yellow, 
almost white. Eyes claret. 
6. — Nymph on rootlet of cane in the act of surrounding itself with 
spittle (enlarged). 
. — Adult male. Colour, head and thorax dark bronze, wings dark 
brown, transverse bands dull yellow. 
. — Adult female. 
. — Side view of proboscis of adult (enlarged). 
