s 
271 
The third brood of pupe is very clearly indicated by the marked 
increase in the number of pupations observed after August 8 or just 
after the second brood of larve began to leave the fruit, and the third 
brood of adults is as clearly indicated by the increase in the number of 
nioths which emerged after August 15. The third broods of pupe and 
of adults were nearly as large as the second broods, and no doubt the 
same held true for the third brood of larve. The black lines drawn 
obliquely downward through the chart connect the dates when each of 
the broods began, and the broken lines connect the dates on which the 
broods ended. The pupation of the first brood was very irregular, being 
frequently interrupted by cold periods. Owing to the cooler weather 
during April, May, and June, development was slower while the first 
brood was developing than later in the season, and for this reason there 
is little or no overlapping of the first and the second broods. The bulk 
of the first brood of pupz, adults, eggs, and young larve had appeared 
fully a month before the second brood of each began to appear. The 
development of the second and third broods was much more rapid, and 
as a result there was a considerable overlapping of the broods, so much 
so in fact that pupe, adults, eggs, and larve appeared daily, with little 
interruption, from the date of the appearance of the first of the second 
brood to the date of the appearance of the last of the third brood. 
The average temperature for the month of June was about 5° below 
normal. This delayed the appearance of the second brood of pupe, adults, 
eggs, and larve. Had normal temperatures prevailed during June the 
second and third broods would have appeared about one week earlier, 
and as a result the third brood would-have been much larger. 
RECORDS FOR SEVERAL LOCALITIES 
TABLE 35 
Generation Stage | Ozark Olney Plainview ae 
Pupa April 10 ‘April 13 April 13 April 13 
First Moth May 10 May 10 May 11 May 10 
5 Egg May 14*| May 14 May 20 
Young larva May 25 May 25 May 28 
Mature larva | June 10 June 20 June 26 June 29 
Pupa June 10 | June 24 Julys ee 
Moth June 25* ouLy: = +3 July 8 July 11 
Second Egg June 29* July 6 July 10 July 13 
Young larva July 4* July 12 July 16 July 18 
Mature larva | July 26* Aug. 3 Aug. 5 
Pupa July * 31* Aug. 7 Aug. 9 
Moth Aug. 8* Aug. 16 Aug. 17 
Third Egg Aug. 10* Aug. 18 Aug. 19 
Young larva Aug. 16* Aug. 23 Aug. 29 
Mature larva Aug. 26* Othe ew 
* Dates followed by an asterisk were computed. 
ek Sal 
