THE BLACK FLY OF CITRUS. 
Table VI. — Life history of Aleurocanthus woglumi. 
GROUP "RECORD 2 (1918), INDOOR EXPERIMENT. HOST: LIME. 
25 
Eggs laid. 
No. 
Hatched. 
No. 
First 
Second 
molt. 
No. 
Third 
molt. 
No. 
Adults. 
No. 
Sex.i 
molt. p u - 
M.i 
F. 
Aug. 6» 
55 
55 
Aug. 17 
Aug. 18 
Aug. 19 
30 
20 
5 
55 
Aug. 25 30 
Sept. 1 
Sept. 2 
Sept. 3 
Sept. 4* 
6 
9 
17 
2 
Sept. 10 
Sept. 11 
Sept. 12 
Set)t. 13 
2 
9 
6 
5 
2 
24 
Oct. 7 
Oct. 8 
Oct. 11 
Oct. 12 
Oct. 15 
Oct. 23 
Oct. 24 
Oct. 31 
Nov. 1 
Nov. 5 
Nov. 126 
2 
2 
13 
Aug. 263 
17 

^ 
<SeDt. 145 
34 
Total 

47 
13 

GROUP RECORD 4 (1918), INDOOR EXPERIMENT. HOST: LIME. 
Sept. 26 
38 
38 
Oct. 10 
Oct. 14 
Oct. 158 
27 
1 
5 
33 
Oct. 17" 
Oct. 18 
Oct. 19 
Oct. 20 
Oct. 21 
Oct. 22ii 
4 
1 
3 
1 
3 
2 
14 
Oct. 26 
Oct. 27 
Oct. 28 
1 
1 
1 
Nov. 5 
Nov. 6 
Nov. 12 
Nov. 159 
1 
1 
3 
2 
Nov. 26 
Dec. 2 
Dec. 8 
Dec. 10 
Dec. 14i° 
.... 
1 
1 
1 
Oct. 30 
Oct. 31 
Nov. 112 
1 
1 
3 
8 
1 
5 
2 
Total 
7 
3 
GROUP RECORD 32 (1919), OUT-OF-DOORS EXPERIMENT. HOST: LIME. 
Mav 11 
20 
20 
Mav 24 
May 25 
Mav 2713 
11 
3 
4 
18 
June 2 
June 3 
June 4» 
14 
1 
1 
16 
June 7 
June 8 
June 9 
June 10 
June 11 
June 12 
6 

6 
2 
1 
1 
u 
June 18 
June 19 
June 20 
June 21 
5 
5 
1 
5 
July 5 
July 6 
July 9 
July 10 
July 11 
July 12 
4 
2 
1 
3 
3 
3 
4 

"2" 
2 
1 
! 
1 
16 
Total 
16 
6 
in 
1 
GROUP RECORD 36 (1919), OUT-OF-DOORS EXPERIMENT. HOST: ORANGE. 
May 12. 
Total. 
48 
Mav 2415 
11 
June 2 
8 
June 7 1 6 
2 
June 15 
2 
July 4 
2 
May 25 
13 
June 3 
2 
June 8 

June 16 
3 
July 5 
3 
2 
May 26 
20 
June 4 
1 
June 9 
5 
June 17 
1 
July 6 
1 
June 5 1 7 

June 10 
1 
June 18 
1 
July 7 
1 
1 
June 6 1 7 
2 
June 11 
1 
June 19 
2 
July 8 
July 10 
1 
1 
.... 
48 
44 
13 
9 
9 
9 
4 

1 All males. 
* Laid bv unfertilized female. 
3 Eight first larval instar individuals dropped off while molting. 
4 Four second larval instar individuals died in this stage. Nine fell off. 
6 Ten third larval instar individuals died in this stage. 
6 Leaf fell on Dec. 28, 1918, without further emergence from 9 pupse that were left. Two fell off. 
7 Ten first larval instar individuals lost in molting. 
8 Three eggs failed to hatch and 2 first larval individuals were lost. 
9 One third larval instar individual died in this stage. 
10 Leaf fell Dec. 24, 191S, without emergence from 1 male and 1 female pupa. 
" Nine first larval instar individuals died in this stage. 
« Six second larval instar individuals died in this stage. 
is Eggs all hatched; two first larval instar indivi duals fell off before settling down. 
« Two first larvalinstar individuals fell off in molting. 
is All eggs hatched; 4 first larvalinstar individuals fell off before settling down. 
is See 1 7 , 4 second larval instar individuals washed off. 
w On June 5 and 6, 31 first larvalinstar individuals and 4 second larval instar individuals were washed 
off by heavy rains at molting time. 
