ELM LEAF BEETLE IN NEW YORK STATE 



11 



As there seems to have been no attempt, at least in this 

 •country, to determine the prolificacy of this insect, the following 

 may be of interest. May 31, 1898, two heavy gravid females 

 were isolated, provided with plenty of food, and the eggs 

 removed and counted nearly every day. The results are tabu- 

 lated below. 



DATE 



-June 



Record of eggs deposited by two elm leaf beetles ' 



FEMALE IN VIAL FEMALE IN TUMBLER 



CLUSTERS OF TOTAL CLtfSTEBS OF TOTAL 



8 



8 (2 a m.) . 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 (absent) . 



19 



20 



21 



22 



23 



Hi 



25 



(2) 



9. 9, 14 



18 



15 



20 



20 

 23 



11, 13 



31 



I645 



28 



26,30 



2,6 



3.18 



2,20 

 27 



27 5,7,9,15 



28 (beetle dead) 



29 



32 



18 



15 

 20 



20 

 23 



24 

 31 

 21 



28 



56, 

 8 

 21 

 22 

 27 



36 



14,27 

 30 

 32 



10,26 



36 



6,2s 



4,31 



1, 2, 11, 7, 13 



41 

 30 

 32 



30 

 36 

 31 

 35 

 34 



13, 21, 32 66 

 (betetle dead) 4, 17 21 



Totals . 



431 



623 



1 The examinations were made as a rule between 8.30 and 9 a. m. though occasionally, when eggs 

 were seen In the afternoon, they were recorded at the time indicated In the table. The dates In 

 fltallcs fell on Sunday and usually no observations were made then. 



