84 



NATURE'S CALENDAR 



April "^o Tree-hoppers. — Eggs still on twigs of trees 

 and shrubs. 



Leaf -hoppers. — Adults resume activity, suck- 

 ing sap of leaves and grasses 



Scale Insects. — Eggs beneath scales yet un- 

 hatched. 



Plajit-lice, or Aphides. — Eggs hatch into tiny 

 aphides that suck sap from the unfolding 

 leaves. Those hatching in ants' nests are car- 

 ried to food. 



Red-legged Locust, or Grasshopper, and its 

 a///>j.— Eggs still in ground. 



Coral-7vinged Locust. — Well-grown nymphs 

 active. 



Grouse-locusts. — Adults become active, per- 

 haps lay eggs. 



■ Tree Crickets. — Eggs still ia canes and 

 twigs. 



Black Crickets. — Mostly still in eggs in the 

 .soil. 



Walking-sticks. — Still in eggs on ground 

 scattered beneath trees. 



White Ants. — The colonies in the ground or 

 in stumps and logs become active again. 



Stone -flies. — Larvaj still under stones in 

 water. 



Dragon-flies. — Immature forms in ponds 

 and streams become active again. 



May-flies. — Nymphs resume activity ; a 

 few may change to adults. 



Springtails and BHstletails — Many on rub- 

 bish and under boards, logs, and stones, as 

 well as over the surface of the ground and on 

 bark. 



