Insects Injurious to the Raspberry. 



435 



appear in summer, when attack on the foliage would not matter so 

 much, unless very serious. 



It would be well, nevertheless, to take steps to destroy them, even 

 if present in only small numbers, as those that may appear earlier 

 would cause no slight loss. 



DESCRIPTION OF THE ADULT. 



In length the male and female are much the same, 12 to 14 mm. 

 Cameron (3) gives 4 to 4^ lines (a line is equal to ^ inch). 



[F. Edenden. 



FIG. 284. THE RASPBERRY SAWFLY (Emphytus cinctus). 

 1, sawflies ; 2, ichneumon parasites ; 3, cocoon of larva. 



General colour shiny black ; head black, with fuscous grey down ; 

 palpi and labrum black, but the latter may be pale grey, and also 

 the apex of the former; the nine-jointed antennae are deep black. 

 Thorax black, with two round yellow to white spots, placed 

 posteriorly. 



Abdomen shiny black, a small but distinct pale blotch on the 

 middle of the posterior of the first segment, the fifth segment has a 

 dull white to bright white basal band spreading out at the sides and 



2 F 2 



