Table 3 Effects of treatments with neonicotinoid insecticides on the rapelling activity of Oedothorax apicatus and Phylloneta impressa.

From: Neonicotinoid insecticides limit the potential of spiders to re-colonize disturbed agroecosystems when using silk-mediated dispersal

Species

Application

Shapiro-Wilk normality test P

Levene’s equal variance test P

F / H

D f

P

Dunn’s post-test vs. mock P; treatment

1 h post-treatment

O. apicatus

Dorsal

<0.05

N/T

9.145

4

0.05

 

O. apicatus

Tarsal

<0.05

N/T

21.006

4

<0.001

<0.05 Actara, high; <0.05 Mospilan, high; <0.05 Biscaya, high; <0.05 Confidor

P. impressa

Dorsal

<0.05

N/T

65.804

7

<0.001

N/S Actara, high; <0.05 Mospilan, high; <0.05 Biscaya, high; <0.05 Confidor; N/S Actara, low; N/S Mospilan, low; N/S Biscaya, low

P. impressa

Tarsal

<0.05

N/T

13.680

7

>0.05

 

24 h post-treatment

O. apicatus

Dorsal

<0.05

N/T

19.031

4

<0.001

N/S Actara, high; <0.05 Mospilan, high; N/S Biscaya, high; <0.05 Confidor

O. apicatus

Tarsal

<0.05

N/T

11.311

4

0.023

N/S Actara, high; N/S Mospilan, high; N/S Biscaya, high; N/S Confidor

P. impressa

Dorsal

<0.05

N/T

27.891

7

<0.001

N/S Actara, high; N/S Mospilan, high; N/S Biscaya, high; N/S Confidor; N/S Actara, low; N/S Mospilan, low; N/S Biscaya, low

P. impressa

arsal

<0.05

N/T

10.769

7

>0.05

 
  1. The data with normal distribution and equal variance were tested by one-way ANOVA; other data were tested by Kruskal-Wallis one-way ANOVA on ranks.