PLATE LXXIII. 



Aphis amygpali. (Page 104.) 



Figs. 1 and 2. — Varieties of the viviparous female. 



Fig. 3. — Winged viviparous female. 



Fig. 4. — Young specimen before tlie brown pigment 

 has been deposited in the tissues. 



Fig. 5. — Specimen just after birth, a. Genito-anal 

 portion of the winged female, showing the four abdo- 

 minal papillae. 



Cyntps atkiceps. (Page 106.) 



This insect is parasitic on Aphis amygdali, and was 

 bred from the same. 



b. Antenna, 



c. Fore leg. 



d. Last abdominal rings, showing the ovipositor 

 and adjuncts. 



