TABLE XIX
Results of an Experiment Carried out to Analyse the InJEuence of Several Factors on Larval &&h and Pup1 Size
Males
Females
Category
Fivs
S i x
Instars
Five
Six
Instam
h t t b I X 3
instars unknown
Totala
hStal'S
instars
unknown
Totala
a single
4
n
sx
8.
a in couples
4
n
sf
8%
b single
4
n
sx
sl!
b in couples
d
n
sx
Sij
4.45
0.13
0.028
4.33
0.14
0.029
4.66
0.14
U'UZLI
4.34
0.18
0.036
21
22
24
24
4-60
3
4.60
2
4.47
0.14
0.029
4-33
0.14
0.029
4-56
0.14
0.028
4-37
0.19
0.036
24
22
26
28
5-14
0.12
0.030
4.82
0.10
(is026
5.24
0.18
0.042
4.96
0.17
0.050
17
14
17
12
5.19
0.20
0.061
4-96
8
0.13
0.046
5.47
9
0.22
0.075
11
5.16
0.16
0.030
4.87
0.13
0.027
5-32
0.22
0.043
5.01
0.21
0.082
28
22
26
16
4 = mean pupal diameter in mm.
n = number of pupae measured.
sf = standard deviation.
sz = standard deviation of the mean.
.. The values given In this column refer to the
frequency distributions portrayed in Fig. 13.