REPORT OF STATE ENTOMOLOGIST 1 899 



547 



ELM LEAF BEETLE 



LEAD ARSENATE, 11 OZ. LEAD 

 ACETATE, 4 OZ. SODA ARSES- 

 ATE TO 40 OAL. 



60 GR. LEAD ACETATE, 22 OR. 

 SODA ARSENATE TO 2 QTS (4) 



LEAD ARSENATE, 11 OZ. LEAD 

 ACETATE, 4 OZ. SODA ARSENATE 

 TO 80 GAL. 



30 GR. LEAD ACETATE, 11 GR. 

 SODA ARSENATE TO 2 QTS (5) 



CHECK CAGE FREE FROM POISON 

 (6) 



Leaves sprayed about 4.45 p. m. 



Leaves sprayed about 4.45 p.m. 



Leaves sprayed about 4.45 p. m. 



Leaves eaten about as much as 

 In no. 5. Most of the beetles 

 on the leaves. 



A little more feeding has been 

 done than in no. 1 and more 

 beetles are on the leaves. 



The beetles ate considerably 

 more than any on poisoned 

 leaves. As the sprayed foliage 

 is still wet, this has probably 

 discouraged feeding. 



Beetles feeding considerably. 

 1 lot of eggs, spray dry. 



Beetles feeding considerably 

 (not quite as much as in no. 

 4), leaves still wet in places. 



Beetles feeding readily Have 

 eaten considerably more than 

 in other lots. 



Beetles feeding readily, 3 loose 

 eggs on bottom of jar. 



Beetles feeding considerably 

 (little less than in no. 4), 

 spray has dried. 



Beetles feeding much more 

 than those on poisoned foli- 

 age. 



Leaves eaten considerably, 

 rather dry. 



Old leaves removed and ex- 

 amination shows that they 

 have been eaten but little. 

 Fresh leaves supplied. 



Leaves eaten considerably, 

 food becoming dry. 



Fresh leaves supplied. An ex- 

 amination of the foliage 

 shows that a relatively small 

 proportion of the old was 

 eaten. 



Leaves much more eaten than 

 those poisoned. 



Considerable eaten. 



Beetles have eaten more than 

 in no. 1-4. 



Beetles eating much more than 

 in no. 1-5. 



1 dead, others on foliage,which 

 has wilted Leaves eaten 

 considerably, fresh supplied 

 at 4 p. m. 



Beetles have eaten considera- 

 ble. 



Fresh food supplied at 4 p. m. 



Beetles eating much more than 

 in no. 1^ and rather more 

 than no. 5. But 9 beetles, 

 fresh food supplied at 3.15,3 

 egg clusters containing about 

 60 eggs found. 



Leaves eaten considerably, 

 beetles all on the foliage. 



2 nearly dead, others feeding 

 some. 



Beetles feeding some on fresh 

 foliage. 



1 dead, others appear sick. 

 Considerable eaten, 



3 dead, 3 nearly so, others 

 feeding. 



Beetles feeding freely, 1 clus- 

 ter of eggs. 



2 dead, 2 nearly so. Leaves 

 eaten considerably. Fresh 

 food supplied at 5 p. m. 



2 dead, 1 nearly so. Foliage 

 apparently not eaten much. 

 Fresh food supplied at 5 p. m., 

 but 3 beetles. 





1 dead, 2 nearly so. Leaves 

 eaten some at 3.30 p. m. 



1 dead, 1 apparently sick, but 

 little feeding at 3.30 p. m. 





2 dead. 



1 nearly dead. 





1 dead. 



1 dead. 



1 dead. Food in bad condi- 

 tion, as they had received 

 no fresh leaves since the 10th. 





Last one sickly. 





1 practically dead. 



1 dead. 





