Table 2.

Effects of serotonergic compounds on acid excretion rates in μmol g–1 h–1

pHControlAlaproclateMethiothepin
4–1.4±0.56 (2/10)1.1±0.72 (4/7)1.5±0.61 (7/9) P<0.005
71.2±0.84 (8/10)0.4±0.63 (8/10)1.1±0.33 (9/10)P>0.65
115.1±0.66 (9/9)6.5±0.67 (9/9)5.1±0.50 (9/9)P>0.2
  • Significant differences are in bold. Values in parentheses are (first number/second number) = (number of larvae excreting net acid/total number of larvae sampled)