326 



AGRICULTURE. 



.»v^.!^*^";,. 



•■■■ vv^ 



.;':;?^'-^ 



forth to feed upon 

 the buds, and soon 

 the colony, for 

 they are social 

 beings, spins a 

 silken web, or 

 " tent," on the 

 fork of a branch 

 (Fig. 1 1 6, a to b), 

 to which the cater- 

 pillars retire at 

 night and in cold 

 and stormy weath- 

 er. They grow 

 rapidl)-, and greed- 

 i-t ily d evo 11 r the 

 ]^' leaves as the y 

 '§ come out, doing 

 much damaofe. 



When the cat- 

 erpillars are grown 



a and 5— Full-grown worms on the outside of '[heV 2lVQ. aboUt tWO 

 the tent, c — Egg-mass, with the gummy cover- 



ing removed, rf— Cocoon, containing the chrj's- HlcheS lonP" and 

 alis. Above all, the moth. ., .... 



(After Riley.) covereo With hairy 



* Our Western species Clisiocampa fi-ag:ilis) ] ^ ' j- I T^U 



resembles the above so closely that the figure OriSLieS. i ney 

 serves equallv well for it. i i i • i 



are black with a 

 white Stripe down the median line, and with 

 short yellow lines and pale blue spots on each 

 side (Fig. ii6, a and b). When they have 

 reached their growth they leave the tree, seek 



FIG. Il6. — AMER1CA\' T F.XT-CATEUPIL- 

 LAR {Clisiocampa aiiiericana).* 



