Table Y.—Length of Larval Stage from Hatching to Prepupa 
310 
JOURNAL OF ECONOMIC ENTOMOLOGY 
[Vol. 13 
Aver. 
days 
i-H *-H 10 05 CO 
00 co co <N i-t 0 00 
os 00 co 00 im co 
»0> CO lO Tf f- CO 
^2 
Min. 
days 
CO <M 05 05 CO O 00 
0000 05 05I>10 
hJI CO CO CO t> CO 
0 
H 
Max. 
days 
CO 00 CO 00 CO O l> 
CM 05 b- L- TtH f- 00 
CO t" t- t— t- f- CO 
No. of 
grubs 
CO 05 <M <N -H 00 
O l-H <N (N r-H 
tH 
CQ 
O 
Aver. 
days 
00 00 00 
(N © CO 00 CO © 
to 10 Tf t>. 
S3 
Sh 
bC 
JH 
c$ 
Min. 
days 
(NNCOOCOO 
CO t>. lO b- 
0> 
>> 
O 
a; 
(-4 
Max. 
days 
CO 00 CO 00 COO 
<N 05 ^ 
00 t» i> 
X 
H 
No. of 
grubs 
lO CO rH N rH rH 
COTJH rH 
m 
Aver. 
days 
■^lOOKNCO CO 
CO TfH 00 X Tt< 00 
NiOOOO CO 
Ht 1 ^ Tjl Tjl X 
pO 
S3 
sh 
be 
Sh 
C$ 
0) 
>> 
6 
& 
Min. 
days 
CO OI 05 05 CO 00 
00000505 >0 
Tf-tfCOCOCO CO 
Max. 
days 
05 t> Tt» <N 05 b- 
lO ©5 <N -H M 00 
rfi rf -}< r}< CO 
H 
No. of 
grubs 
1-H Tj< 00 X rH CO 
t>. 1-H M pH 
Species 
crassissima. 
rubiginosa. 
futilis. 
rugosa. 
implicata. 
vehemens. 
submucida. 
1 
h-J h*3 h-5 H-3 H-5 H-3 
h 
o 
< 
h 
j 
y 
X 
y 
a 
K 
Pli 
a 
X 
H 
a 
o 
a 
H 
O 
Z 
a 
X 
a 
a 
a 
< 
H 
GO 
V 
• H 
V 
<u 
a 
cc 
1 - co 
V >> 
co co os r- 
05 
05 co 00 t-r^co 
J2 
*C3 
Min. 
days 
co co CO CO t- 10 
0 
H 
Max. 
days 
OhOOhNh 
rH rH CO rH rH 
No. of 
pre- 
pupae 
05 10 b- I- M 1-H Tt< 
CO CD —H CO CO pH 
—H 
C/2 
pQ 
S3 
Aver. 
days 
7.3 
5.7 
8.3 
7. 
CD 
Sh 
bC 
T3 
02 
O 
J) 
Min. 
days 
CO CO 
CO 
p-h 
0 
V 
£ 
0 
b< 
€ 
Max. 
days 
05 i-H 
rH rH 
IOO 
rH rH 
CO 
No. of 
pre¬ 
pupae 
co 00 
e- 01 
COO 
rH 
rH 
Aver. 
days 
8.5 
0 
Min. 
days 
c3 
U 
V 
a 
CO 
V 
0 
00 
rH 
05 
Max. 
days 
rH 
fH 
No. of 
pre¬ 
pupae 
IN 
Aver. 
days 
00-HID CO 
M 
—H 
7 
7.9 
O 
• pH 
c3 
0 ) 
S3 
Min. 
days 
CO cot> X 
t> LO 
0 > 
0 
rH 
05 
Max. 
days 
OH00O 
HH CO 
t>» rH 
rH 
No. of 
pre¬ 
pupae 
OONNCO 
M CO i-H 
rH CO 
rH 
£J 
Aver. 
days 
-HIM 1-HOI 00 
rH 
0 
• H 
c3 
(H 
O 
S3 
Min. 
days 
tHH^iOCOCO 
O 
O 
CO 
rH 
2 
Max. 
days 
CJOCiCJH 
rH rH 
No. of 
pre- 
pupae 
101010 *0 0 
CO H M 
S eg 
£ ® 
.5 O 
$ a 
„ oJ 
eg 2T3 
•4^ rH • pH 
ej 2 § 
2.3 m « 3 C 2 
•S.mJS gx £ £ 
§ xi +3 M g-x x 
£ 3336*3 
y h«H ^4.H ^ 0Q 
h 4 t 4 h 4(Jh4iJh4 
