GIHA ULT-TRICUOilRAMMA RRETIOSA RIUCY 
SI 
1!K)7] 
iip|)(‘araiic(' of the host cf;gs on corn, and they \verc |)rcscnt tlirongliont the season 
in inereasine mnnl)ers until about Xoveinber 20tli. 'I'o obviate further nnneeessarv 
discussion and for the sake of clearness and convenience, tlie cciierations arc tabulated 
as follows; 
Table /. General ioim at Paris, Texas, PUP,, 
Generation 
No. 
deposirt'tJ. 
Adults out. 
Approximate leni,'lli 
of cycle. 
Sums of 
elTective temperature. 
1. 
May 3 
iMay lb 
13 days. 
:Y2AA° Fahr. 
2 
May lb 
May 2b 
It) “ 
313.2 
d. 
May 2b 
•Inne b 
11 “ 
354.7 
4. 
.Inne 4 
.lime 14 
10 “ 
31S.4 
5. 
Jnne 14 
.lime 22 
S “ 
207.2 
(). 
.Inne 22 
.Inly 1 
0 “ 
330.0 
7 
•Inly 1 
.Inly 0 
S “ 
20S.0 
s. 
•Inly 11 
.Inly 20 
',) “ 
30.5.7 
!>. 
•Inly 20 
.Inly 28 
S “ 
300. 
10. 
.Inly 20 
.\ngu.st b 
S “ 
20S.7 
11. 
August b 
Angu.st 14 
S “ 
20S.4 
12. 
August 14 
Angu.st 23 
0 “ 
304.0 
13. 
August 25 
September 2 
S “ 
30S.4 
14. 
September 2 
September 1 1 
0 “ 
308. 
15. 
Se])teinber 1 1 
September 20 
0 “ 
314.2 
It). 
September 21 
Se])teniber 30 
0 “ 
323.1 
17. 
( Ictober 1 
October 14 
13 “ 
408.1 
IS. 
( Ictober 14 
November 2 
10 “ 
305.0 
ISa. 
(Ictober 14 
November 7 
24 “ 
44<). 
ISb. 
(Ictober 14 
November S 
25 “ 
405. 
ISe. 
October 14 
November 10 
27 “ 
4,80. 
Slims 
254 days. 
72.85.0 
Averages 
12 days. 
340.0° Fahr 
Lk\(;tii ok Like (’yci.e. 
By consulting table I, it is seen that the developmental [)eriod of a generation 
