Table 2.

Number of spikes (mean ± SE) elicited by citrus extract and mixtures of oviposition stimulants in L1 sensilla

Dilution ratio
Stimulants1.00.10.010.001
Citrus extract64.2 ± 2.4a41.7 ± 1.3b28.6 ± 1.9c12.5 ± 1.3d,e
1 + 2 + 3 + 4 + 541.6 ± 2.9b27.6 ± 3.2c10.0 ± 2.3d,e
1 + 2 + 3 + 442 ± 2.5b24.4 ± 4.9c5.0 ± 0.9d
1 + 2 + 422.5 ± 1.5c,f6.0 ± 1.8d,e4.2 ± 1.5d
1 + 3 + 430.1 ± 3.5c14.0 ± 3.4e,f2.5 ± 0.5d
2 + 3 + 4 + 541.0 ± 2.0b
1 + 4 + 535.4 ± 2.2b,c
1 + 414.9 ± 2.2e,f
1 + 522.3 ± 5.1c,f
2 + 4 + 531.3 ± 5.8c
3 + 4 + 543.0 ± 5.6b
  • a,b,c,d,e,fDifferent letters (a–f) indicate significant differences among all results by Tukey–Kramer test (p < 0.05).

  • 1, Synephrine; 2, stachydrine; 3, 5-hydroxy-Nω-methyltryptamine; 4, chiro-inositol; 5. narirutin. “–” indicates no recordings. Each value represents the mean ± SE in number of spikes (n = 7–40)