NATURE'S CALENDAR i^g 



and other plants, and ovipositing on leaves of Tune 



birch, poplar, and other trees. 



Black Swallowtail, or Asterias Butterfly. — 

 Adults flying over fields and gardens, oviposit- 

 ing on carrots, parsnips, and other members of 

 the parsley family. 



Green-clouded Swallo7vtail. — Butterflies con- 

 tinue on the wing ; females oviposit upon 

 leaves of spice-bush and sassafras. 



Tent Caterpillar. — Larvae mature and spin 

 cocoons. 



Cecropia, Luna, Proviethea, and Polyphemus 

 Moths. — Adults come from cocoons and lay- 

 eggs upon various trees. 



Humming-bird Moths (Hemaris). — Adults 

 fly in bright sunshine, visiting Iris and other 

 blossoms. 



Sphinx Aloths. — Adults of many species ap- 

 pear. 



Cutworm Moths. — Adults of many species 

 appear, flying to light at night. 



Canker-worms. — Larvae mature and go into 

 soil to pupate. 



Cheny Tent-maker. — Larvae pupate in a 

 mass at centre of tent ; later pupae work their 

 way out to edge of tents to disclose the 

 ochre-yellow moths. 



Leaf-miners. — Larvae of many species de- 

 veloping in leaves. 



Caddis-flies. — Adults of some species appear. 



Hellgrammites. — Pupae under logs mature 

 into adults. 



Tree-hoppers . — Young developing on various 

 plants. 



Leaf -hoppers. — New brood of adults. 



Scale Insects. — Young fi.\ themselves on leaf 

 or bark and suck the sap of the food-plant. 



