HOW TO KNOW THE IMMATURE INSECTS 



NUMBER OF EGGS. — The sheep-tick and the true female of many 

 aphids, for instance, produce but a few eggs (as few as 4). On the 

 other hand, the egg mass of the dobsonfly may contain 3,000 eggs, 

 and a parasitic fly, Pterodontia Uavipes (Cyrtidae) has been reported 

 as laying 3,977 eggs. The social insects lead the list. A termite queen 

 may lay 1,000,000 eggs during her Hfe. Queen ants and queen honey 

 bees likewise are highly prolific. 



WHERE THE EGGS ARE LAID — The whole story of where insects 



Fig. 14. Eggs: a, Boll-weevil parasite, CerGmbycobius cyaniceps; b Boll- 

 weevil parasite, Eurytoma tylodermatis Ashrri.; c. Range caterpillar- 

 d. Asparagus beetle, Crioceris asparagi (L.); e, egg moss of Culex 

 pungens Wiedemann; f, egg mass of the gypsy moth, Pofhetrio dis 

 par (L.); g, Rosy apple aphid; h, apple leaf roller; i, grasshopper- 

 J, sheep louse; k, Hypoderma lineata (De Villiers); I, katydid- m 

 Snow tree cricket; n, Oeconthus niveus (De Geer) / / / 



