48 



NEW YORK STATE MUSEUM 



This rose pest is widely distributed in America, having been 

 recorded from Florida and Louisiana northward to New York, and 

 even from California. It is said to hibernate in an immature con- 

 dition in the extreme south. Professor Comstock records the 

 issuing of males, oviposition by females and hatching of eggs 

 February 226. from material taken in Florida, while Professor 

 Morgan states that young appear in Louisiana the last of March. 



Male and female rose scales much more 

 enlarged 



Fig. 4 Portion of blackberry 

 cane enlarged and showing a 

 rather bad infestation by the 

 rose scale. Numerous female 

 and male scales are represented. 



The middle of May 1901, infested twigs were received from Con- 

 cordville, Pa., on which were gravid females, eggs and issuing 

 males. Dr John B. Smith states that this species may winter in 

 New Jersey in any stage from egg to gravid females, while we 

 have at hand specimens from Ballston Spa taken in November 1910, 

 showing both gravid females and eggs and indicating that this 

 species probably winters in this condition. Office records show 



