THE RED SCALE OF ORANGE. 53 



CHAPTER XXVII. 



THE RED SCALE OF ORANGE. 



(Aspidiotus Coccineus. Gennadius.) 



Order : Hemiptera. Sub-order : Homoptera. Family : Coccididce. 



Female puparium really dirty-white, but seemingly 

 yellowish-brown from the colour of the insect beneath ; 

 sometimes dark-brown ; circular, flat, diameter about 

 ~^Y inch. 



Male puparium (see Plate XXIL, Fig. 3) much smaller, 

 rather oval. 



Adult female (see Fig. 4) yellow, becoming brown at 

 last ; peg-topped shaped, but the abdominal segment is 

 comparatively so small, and is so much overlapped by the 

 others, that the insect looks almost globular. Length 

 about yV inch. Abdomen ending in six lobes. 



Adult male (see Figs. 5 and 5a) very small, brown or 

 yellow in colour. Antennse ten joints. Thorax short 

 and thick. Wings oval, about as long as the body. 

 Legs hairy. 



The above descriptions are abbreviated from Maskell, 

 for reasons before stated. 



The well-known Red Scale, so commonly to be found 

 attacking oranges and lemons in many districts through- 

 out Victoria. This species will probably be better known 

 as A. Aurantii^ Maskell^ although Mr. Maskell has adopted 

 the name by Gennadius in preference to his own, and has 

 stated his reasons for having done so. Professor Com- 

 stock has named it A. Citri^ which is certainly a most 

 appropriate name, as in Victoria at least it seldom attacks 

 plants other than those of the Citrus family. 



This insect, Mr. Maskell says, is European, and has 

 been introduced into New Zealand from Australia. It is 



