Summary of feeding behavior in wild-type and <i>zag-1</i> mutants.

a4 N2 L1s were recorded for 35–40 s and a total of 213 pumps were analyzed. b4 zag-1(hd16) L1s were recorded for 35–60 s and a total of 203 pumps were analyzed. c4 N2 L1s were treated with 20 mM serotonin and recorded for 15–20 s each and a total of 193 pumps were analyzed. d5 zag-1(hd16) L1s were treated 20 mM serotonin and recorded for 12–25 s each and a total of 222 pumps were analyzed. e4 N2 L1s were treated with 5 mM arecoline and recorded for 28–50 s each and a total of 115 pumps were analyzed. f6 zag-1(hd16) L1s were treated with 5 mM arecoline and recorded for 45–60 s each and a total of 166 pumps were analyzed. Summary of feeding behavior in wild-type and zag-1 mutants.