238 INSECTS TNFESTTA'O' THE FILBERT. 



height, varying, but about one line. The size of the branch 

 on which the insect locates sometimes alters or changes its 

 form ; if the branch is small, the flattened edge of the insect 

 will spread downward, clasping the branch or twig, thus giv- 

 ing the insect an elongated and narrowed appearance, diflbrent 

 from those located on a flat surface or leaf. 



NATURAL HISTORY. 



Eggs — length, one eighty fifth of an incli ; width, one half 

 of the length ; color, pinkish. From seventy to one hundred 

 are laid by each female. Larva — color, reddish; length, one 

 seventy fifth of an inch; antcniKc, seven jointed; anal setae 

 present. 



The females of this species (Fig. 226, Sa — enlarged), like 

 other Lecaniums, have the power of locomotion until they 

 become fixed to the plant. When young they are of a reddish 

 color, changing to a light brown, and finally becoming 

 a dark brown color when they reach maturity. They infest 

 the filbert and orange, also the oleander and other ornamental 

 trees. They can be readily distinguished from the Idack scale 

 (L. olex) by the absence of the carina or ridge, forming the 

 letter H on the back. 



Remedies. — Use the same as for the black scale on decidu- 

 ous trees. (Chapter LXXXIV.) 



INSECTS INFESTING THE ElCALYrTUS TRIiM 



The following ins(>cts infest the Eucalyptus Tree, and are 

 treated t)f in anotlicr part of tliis work : 



The San .lo^e Scale (Aspktioluji jicinirioKiw^). , The tiieedj Sia,\e (Ai'jiidifid/x rafiax). 



