160 



INSECTS INFESTING ORANGE TREES, ETC. 



fifth of ail inch. Feinalc, liglit yellow, witli darlccr blotches; 

 body, cimilar ; abdominal segments appear as a pointed pro- 

 jection at one part of tlie circle. Male insect (Fig. 184, la,) 

 winged ; l)ody yellowish, with dark markings. The lemon- 

 peel scale insect closely resembles the red scale, and it is only 

 by tlie difference in color that a person not thoroughly acciiiain- 

 ted with the respective species can distinguish them. 

 Remedies. — Use Nos. 48, 49, 50, 65, 77 or 44. 



CHAPTER LXXXIX. 



Pergande's Orange Scale. (Cal.) 



{Piirlatoria peryandii. — Comstock) 



■ Order, Hemiptera ; ) t^ ■, /i^. _^_ 



o 1 ' 1 TT c ramilv, Coccid.e. 



Sub-order, Homoptera ;) 



[A scale insect infesting tlic branches, foliage and fruit of 

 citrus trees.] 



I have found this species on the orange tree in Sacramento, 

 but have not found it in any other part of the State. 



Fig. 136. 



Fig. 135. 



Fig. 135. — Pergande's Orange Scale; at the left, the female 

 scale enlarged — color, dirty gray; at the right, the male scale 

 enlarged — color, gray. 



Fig. 13(). — Pergande's Orange Scale; male, highly magni- 

 fied — color, purplish. 



The female scale (Fig. 135, left,) is soiiicwhat elongated in 

 form, but lU'urlv circular, tlie cxuvite at one side of the cen- 



