SCALE INSECTS (" COCCID^ ") OF AUSTRALIA. 



23 



Ctenochiton eucalypti, Maskell (Fig. 11). 

 Trans. X. Zealand Inst., vol. xvi, p. 52; pi. iii, figs. 1-12. 1894. 



This species was found in all stages of development upon the foliage of 

 Eucalyptus sideropMoia in the Maitland and Newcastle districts, New South 

 AVales. 



Adult female dark-reddish brown, with the whole of the dorsal surface 

 covered with white waxy plates, irregular in form ; these plates are so brittle 

 that they are often more or less 

 broken away, leaving the female ex- 

 posed. General form convex, broadly 

 elliptical, with four transverse -im- 

 pressions on the outer portion of the 

 thoracic .segments, and fringe of fine 

 hairs romid the outer margin, antannse 

 aud legs well developed. Length, 

 i inch. 



Male puparium white, semi-trans- 

 parent, formed of a number of glassy 

 plates, broadly oval margins flattened, 

 centre convex. The central portion 

 formed of three plates, with larger 

 quadrangular plates on the sides. 

 Length of male puparium, j'^ inch. 



Fig. 11. — Ctsnochiton eucaly^i. 



801. Ctenochiton eucalypti. Cat. Coccidse, p. 160. 



Ctenochiton rhizophorce, Maskell. 



Trans. N. Zealand Inst., vol. xvi, p. 54, pi. iii, tigs. 13-17. 1894. 



Collected upon the foliage of the mangrove {Bhizophora mucronata) at 

 Brisbane, Queensland. 



Adult female greyish brown, oval, convex, with rather long marginal 

 spines ; abdominal cleft and lobes normal. Length, | inch. 



Female pu^Jarium consisting of plates of dull white wax on margins, and 

 forming a broad irregular mass in the centre of back of female, striated on 

 the sides. 



Maskell says : " This species comes nearest to C. fiavus from New Zealand, 

 and differs from C. eucalypti in colour, in the characters of second stage 

 in smaller larvae, and long marginal hairs. 



807. Ctenochiton rhizophorcB. Cat. Coccidaj, p. 161. 



