THE OPEN TYPE OF WING-GROWTH 79 



insect (Fig. 42 e) has attained a length of 2 mm. ; its feelers 

 have become relatively longer and more'slender, and the wing- 



FIG. 42. STAGES IN THE DEVELOPMENT OF A CAPSID PLANT-BUG (PleSlOCOris rugicollis). 



a > egg ; b e, first, second, third and fourth instars (wing-rudiments minute in d, larger in e) 

 - 1Stymphal Stage- X 2 - g> adult< X 8> Ater Petherbrid e and Husain, Ann. Appl. 



