40 



MISC. PUB. 1178, U.S. DEPT. OF AGRICULTURE 



Table 24.— Numbers in each generation in which conditional lethal traits c 



„„r generation in wnicn conditional lethal traits cannot be expressed when nativp m „„u H „„ r 



a e tal S T S " ZlTl ?™~ P 1 " 1 •-""*" — -S ^ ^eS: a^LCoS 

 Uthal traits 2 ' 3 generati ° nS by P a » lal ly "erile insects (AAbbddee, A-bbddee) with 2 conditional 



Number 

 released 



StpriHi-v «.,.„„* r No offspring fro. matmgs between Proportionate offspring from matings 



Sterility Rate of Genera- partially sterile insects between parti ally sterile ins--- 



'-"crease tion Males Females Total Male! Females 



Total 



Percent 



198,000-- 



198,000-- 



50 



50 



7 



10 



















50 



50 



22 



42 



3 



15 







3 



100 



100 



53 



95 



19 



49 



6 



33 



100 



100 



168 



314 



178 



537 



391 



1,590 



25 



25 







6 



2,080 

 2,166 

 2,322 

 2,772 



4,060 



8,364 



18,214 



45,974 



4,160 

 9,004 

 21,610 

 65,288 



8,120 



34,400 



171,406 



1,206,836 



2,040 

 2,082 

 2,188 

 2,582 



100 

 44 

 27 

 27 



100 

 119 

 140 

 187 



25 

 



100 



85 

 82 

 139 



100 



228 



408 



1,093 



25 

 3 

 







11,880 

 23,910 

 43,050 

 81,934 



43,264 



142,300 



486,156 



2,020,142 



23,762 



85,572 



391,542 



2,870,044 



86,528 



559,110 



4,734,478 



46,207,232 



21,740 

 45,036 

 81,210 

 152,918 



4,030 



8,182 



17,344 



42,124 



82,832 



274,150 



931,552 



3,847,732 



Tenfold — -(2 



4,080 

 8,494 

 18,898 

 50,022 



43,482 



157,060 



699,292 



4,984,602 



396,000- 



50 

 146 

 191 

 368 



8,060 

 33,206 

 151,844 

 921,802 



50 

 105 

 197 

 379 



165,664 



1,067,512 



8,984,826 



87,578,912 



Table 25. --Numbers in each generation in which conditional lethal traits cannot be expressed when native population of 

 2,000 insects (aabbdd) was overflooded in parental, F^ , F2 , and F3 generations by partially sterile insects 

 (AABBDD) with 3 conditional lethal traits 



Number Sterility Rate of 

 released increase 



No offspring from matings be- 

 Genera- tween partially sterile insects 

 tion Survivors Total offspring 



Proportionate offspring from matings 

 between partially sterile insects 



Total offspring 



198,000-- 90 Fivefold- 



198,000— 80 — do— 



198,000— 90 Tenfold — 



198,000-- 80 — do- 



396,000— 90 Fivefold- 



396,000— 90 Tenfold- — 



396,000-- 80 — do— 



100 

 3 



100 

 9 



1 



200 



24 

 4 



2. 



,080 



2 



,166 



2. 



,260 



2. 



,362 



4. 



,060 



8 



,365 



17 



,747 



39 



,873 



4 



,160 



9 



,005 



21 



,144 



58 



,607 



8 



,120 



34 



,399 



168 



,148 



,135 



,912 



2 



,040 



2 



,082 



2 



,126 



2 



,171 



4 



,030 



8 



,182 



16 



,861 



35 



,788 



4 



,081 



8 



,494 



18 



,414 



43 



,374 



8 



,060 



33 



,206 



148 



,237 



835 



,208 



100 

 3 

 



100 



7 



1 



200 



22 



6 



200 



50 



11,881 

 23,911 

 43,050 

 81,936 



43,264 



142,301 



486,161 



2,020,176 



23,762 



85,571 



391,548 



2,870,116 



86,528 



559,111 



4,734,505 



46,207,856 



21,740 

 45,036 

 81,210 

 152,920 



82,832 



274,150 



931,557 



3,847,777 



43,482 



157,060 



699,296 



4,984,654 



165,663 



1,067,514 



8,984,898 



87,579,904 



