192 A Studji of the Capsid Bnrjs found on Apple Trees 



length of the second antennal joint; the third joint is now longer than 

 the fourth. A change in the shape of the thorax, owing to the increase 

 in size of the wing pads which now reach the second abdominal segment. 

 Other characters as in Instar III. 



Table II. Plesiocoris rugioollis. 



* Fryer records these larvae as hatching before April 14th in 1913. 



Instar V (PI. X, fig. 9). Length 1 •9-2-37 mm. 



Characteristic peculiarities. Colour greener than in previous stages; 

 second joint of antenna very long, nearly equal to the third and fourth 

 together. Wing pads larger and reach the fourth abdominal segments. 

 Yellow spot on abdominal segment III not noticeable. Other characters 

 as in Instar IV. 



