INSECTS INFESTING THE AZALEA. 



The Azalea Bark l^niise ( Krioroccux azaleee) Chap. 164 



OHAPTEK CLXTV. 



The Azalea Bark Louse. 

 (Eriococcus (iz<de:v. — Comstock. ) 



Order, Hemiptera ; } -r^ ., ^. 



oil TT \ rainilv. C occid.e. 



Sllh-ovdcv, H<)N[01>TEUA ;^ 



[A bark-louse or scale insect, enclosed in a white felt-like sae, 

 feeding on the azalea.] 



This species can be readily distinuuished from other species 

 of scale insects oi' bark-lice desci'ibed in this work, by l)eing 

 enclosed in a felt-like sac. In form the sac or covering is hemi- 

 spherical, but more pointed at one end than at the other, and 

 snow-white in color. 



The female insect is dark jiurpli^h in color and oval inform, 

 the posterior end being the narrowest ; the eggs and young 

 larva' are of a reddish-]nir])l(^ or carmine color. 



Rkmediks. — In conservatories use No. SS. or No. •") or 7. 



