32 



L February, 





Fis. 8 a. 



Male pupariuiH larger, paler and flatter ; 

 rather broader than long. Colour, browiiish- 

 ochreous. Diameter, about 1 nun. 



Adult ? (fig. 8 a) of normal form ; sub- 

 circular, the outline broken by the pjgidiuni 

 which is moderately prominent. Rostrum close 

 to anterior margin ; large and conspicuous. The 

 body cavity usually contains two large embryos. 

 Margin of abdominal segments tentaeulate. Py- 

 gidiuin (fig. 8 b) of irregular outline. Four 

 small narrow lobes, between and beyond which 



Fig. 8 b. 

 the margin is produced into long lanceolate processes, varying in size and form 

 in different examples. Long diameter, 0.50 to 0.65 mm. 



On under-surface of leaves of Myristica j^ragrans ; the scales 

 disposed along the midrib and prominent veins of the leaf. 



KXPLANATION OF FIQURES. 



Fig. 1. — Lecanium tenebricophi lum. 



(a) Section of Erythrina branch, with insects in situ. Nat. size. 



(6) Adult female, x 4. 



(c) Spiracle of female, greatly enlarged. 



{d) Derm of female, greatly enlarged. 



(e) Plates of anal operculum, greatly enlarged. 



Fig. 2. — Pulvinaria maxima. 



(a) Marginal spines, x 650. 

 {h) Antenna, x 150. 



Fig. 3.— Ceroplastes cirrhipediformis. 

 Stigmatic spines, x 650. 



Fig. 4. — Aspidiotus curciiliginis. 



Extremity of female pygidium, greatly enlarged. 



