1983] 
Strassmann & Orgren — Polistes 
241 
TABLE 1. Average brood development times per nest. 
X 
S.D. 
N 
Egg development time 
Small nest 
13.81 
5.67 
43 
Medium nest 
9.58 
4.67 
340 
Large nest 
9.43 
2.92 
501 
Larva development time 
Small nest 
18.18 
3.71 
28 
Medium nest 
13.39 
5.09 
296 
Large nest 
17.39 
6.03 
317 
Pupa development time 
Small nest 
12.74 
2.18 
19 
Medium nest 
13.05 
4.31 
218 
Large nest 
13.00 
3.83 
268 
TABLE 2. ANOVA of the effects of date and location in nest on egg devel- 
opment times. 
Main Effects Interaction 
Location in nest 
Location in nest 
Date 
X date 
Small nest 
Sum of squares 
68 
648 
76 
F 
2.1 
1.31*** 
1.5 
df 
2 
3 
3 
% of variance explained 
5 
48 
6 
Medium nest 
Sum of squares 
56 
1184 
319 
F 
1.0 
16.3*** 
1.5 
df 
3 
4 
12 
% of variance explained 
16 
4 
Large nest 
Sum of squares 
105 
100 
278 
F 
4.5** 
3.2* 
3.2*** 
df 
3 
4 
11 
% of variance explained 
3 
2 
7 
df = degrees of freedom, *p <0.05, **p <0.0 1 , ***p <0.00 1 
