NO OF EMIGRATIONS NO OF EMIGRATIONS 
1981] 
Droual & Topoff— Genus Pheidole 
143 
20 -| 
15 
10- 
P DESERTORUM 
(OAK -JUNIPER WOODLAND HABITAT) 
4U4 
on 
j 
"U L 
iLI 
i ■ ■ j ■ 
-30 
■2 0 
10 
6/15 6/20 6/25 6/30 7/5 7/10 7/15 7/20 7/25 7/30 8/5 8/10 8/15 
DATE 
Figure 4. Daily occurrence of emigrations for Pheidole desertorum in oat 
miper woodland (See Fig. 3). 
P. DESERTORUM 
(DESERT- GRASSLAND HABITAT) 
i . . .. i j 
6/10 6/15 6/20 6/25 6/30 7/5 7/10 7/15 7/20 7/25 7/30 8/5 8/10 8/15 
DATE 
Figure 5. Daily occurrence of emigrations for Pheidole desertorum in desert- 
grassland (see Fig. 3). 
RAINFALL (CM) ' RAINFALL (CM) 
