1922] 
Synopsis of Panurgidce 
TABLE I. 
173 
Non-social 
Social 
Total 
Colors 
Flowers observed 
Ma 
30.1 
Mi 
24.2 
Mas 
18.8 
Mis 
21.5 
Pol 
5.2 
441 
R W Y 
30.3 38.7 30.8 
Anthemurgus passiflo- 
1 
1 
1 
rae 
Zaperdita maura 
2 
2 
2 
Verbenapis verbenae 
2 
1 
3 
2 1 
Calliopsis andrenifor- 
mis 
12 
9 
15 
10 
5 
51 
22 21 8 
coloradensis 
3 
9 
5 
1 4 
Pseudopanurgus albi- 
tarsis 
8 
o 
O 
11 
2 1 8 
labrosiformis 
10 
1 
11 
11 
labrosus 
4 
4 
4 
rudbeckiae 
4 
2 
6 
6 
rugosus 
7 
i 
7 
solidaginis 
4 
3 
7 
1 6 
asteris 
3 
5 
8 
1 2 5 
compositaruni 
4 
8 
12 
2 6 4 
Perdita octomaculata 
1 
5 
1 
7 
4 3 
Perditella boltoniae 
1 
1 
1 
Heterosarus parvus 
2 
1 
4 
1 
8 
2 3 3 
Total visits 
14 
13 
65 
45 
7 
144 
31 42 71 
Flowers visited 
15.2 
15.2 
37.6 
25.8 
5.8 
85 
35.2 31.7 32.9 
Visits 
9.7 
9.0 
45.1 
31 .2 
4.8 
144 
21.5 29.1 49.3 
Calliopsis andrenifor- 
mis 
23.5 
17.6 
29.4 
19.6 
9.8 
51 
43.1 41.1 15.6 
Others : Flowers visited 
4.4 
8.8 
51.1 
31.1 
4.4 
45 
20.0 26.6 53.3 
Others: Visits 
2.1 
4.3 
53.7 
37.6 
2.1 
93 
9.6 22.5 67.7 
C'. col. — P. sol. 7 
78.4 
21 .5 
51 
3.9 5.8 90.1 
P. ast. — Heterosarus 5 
5.5 
2.7 
22.2 
63.8 
5.5 
36 
13.8 44.4 41.6 
C. andreniformis 9 
21.4 
16.6 
33.3 
21.4 
7.1 
42 
52.3 33.3 14.2 
C. andreniformis cd 
20.6 
17.2 
27.5 
20.6 
13.7 
29 
41.3 48.2 10.3 
