EXPLANATION OF PLATE I. 



Fig. 1. Aspidiotus thece, Maskell — 



a, — Pupaiia on twig, nat-size ; 5. — Puparia ^ & $ , X 2 ; c. — Adult 

 female, X 20 ; (?.— Larva, X 100 ; e. — Antenna of larva, X 350. 



Pig. 2. Chionaspis thece, Maskell — 



a.— Puparium $ ; 5.— Puparium $ ; c. — Adult female. 



Fig. 3, EriocJiiton cajani, Maskell — 



a. — Tests on twig, nat-size ; h. — Female tests, dorsal and ventral aspects ; 

 c. — Male test, dorsal aspect ; d. — Larva, dorsal aspect ', e. — An- 

 tenna of larva ; f. — Foot of larva ; g. — Female 2nd stage, dorsal 

 aspect; A. — Adult female, dorsal aspect; h. — Antenna of adult 

 female ; m. — Foot of adult female ; n. — Marginal spines, spiracu- 

 lar spine, and tubular spinnerets of adult female. 



