PLATE XXXIII. 
Mysus oerasi. (Page 174.) 
Pig. 1.— Apterous viviparous female. 
Fig. 2. — Pupa. 
Fig. 3. — Winged viviparous female, a. Eostrum. 
b. Head and antennsD, the third joint is tubercu- 
late. 
Fig. 4. — ^Winged male. 
Fig. 5. — Oviparous female. 
