MEAN NO- / L. ( s«mi -log 
1977] 
Legner & Moore — Platystethus spiculus 
161 
— T“ 
22 
Oct 
l»T4 
II 
Nov 
T 
19 
~r 
23 
SAMPLE DATE 
Figure 7. Average density of Platystethus spiculus and Haematobia irritans 
larvae, in 24-48-hr-old bovine feces from green, irrigated pastures; Calexico, Cali- 
fornia, 1975 (+‘ 05 Conf. limit shown above each mean). 
