57 
EXPERIMENT 16, 
Lygus pratensis L. 
June 1, placed six pup on a less than half-grown Kentucky. 
Result.—June 7, killed. 
EXPERIMENT 17. 
Lygus pratensis L. 
June 1, placed six pup on Kentucky of about the same size as the 
preceding. 
Result.—June 7, seriously withered. 
EXPERIMENT 18. 
Lyqus pratensis L. 
June 5, placed five pup on a one-fourth grown Jersey Queen. 
Result.—June 21, berry seriously injured by being dwarfed, and it 
appeared to wither instead of ripen, although the plant was frequently 
watered. No indication of “ buttoning.” Insects dead, but they had 
lived to reach the adult stage. 
EXPERIMENT 19. 
Lygus pratensis L. 
June 5, placed four pup on Jersey Queen as near as possible like 
the one used in Experiment 18. 
Result.—June 21, berry attained nearly full growth, not deformed, 
except by a few slight depressions in surface which could not be said 
to indicate buttoning. Does not look as fresh and healthy as those 
not under experiment. Bugs dead, but as adults. 
EXPERIMENT 20. 
Tygus pratensis L. 
June 5, placed three pup on Jersey Queen of same size as the pre- 
ceding. 
Result.—June 14, berry smooth, ripened in normal condition, and 
seems uninjured. The insect escaped from this after being confined 
upon it for about one week. 
EXPERIMENT 21. 
Tygus pratensis U. 
June 5, four larvee had, for several days previous, been clustered 
upon a Jersey Queen about the size of those used in the three preced- 
ing experiments. These bugs are now confined upon the berry. 
