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Table 3 Results of logistic regression to denote functional response type across predatory mites by feed on three life stages of P. citri using Holing’s disc equation

From: Selection of suitable predatory mites against, Panonychus citri (McGregor) (Acari: Tetranychidae) using relative control potential metrics and functional response

Predator Species

Prey Stage

P1 (± SE)

t value

P value

a (h−1) (± SE)

Th (h) (± SE)

AIC

T/Th

N. californicus

Eggs

− 6.186e−02 (± 1.361e−02)

− 4.545

2.98e−05

1.238 (± 0.185) ***

0.091 (± 0.004) ***

241.594

263.736

 

Immatures

− 4.971e−02 (± 1.640e−02)

− 3.031

0.00368

0.639 (± 0.088) ***

0.094 (± 0.005) ***

230.280

255.319

 

Adults

− 9.008e−02 (± 1.580e−02)

− 5.700

4.65e−07

0.515 (± 0.059) ***

0.111 (± 0.005) ***

188.453

216.216

S. newsami

Eggs

− 9.445e−02 (± 1.774e−02)

− 5.324

1.85E−06

0.975 (± 0.139)***

0.070 (± 0.003)***

269.504

342.857

 

Immatures

− 4.517e−02 (± 1.418e−02)

− 3.187

0.00235

0.675 (± 0.085)***

0.103 (± 0.004)***

208.841

233.009

 

Adults

− 2.421e−02 (± 1.129e−02)

− 2.145

0.0363

0.518 (± 0.058)***

0.113 (± 0.004)***

183.015

212.389

N.cucumeris

Eggs

− 8.079e−03 (± 1.307e−02)

− 0.618

0.5391

1.397 (± 0.157)***

0.049 (± 0.002)***

283.135

489.795

 

Immatures

− 8.221e−02 (± 1.476e−02)

− 5.569

7.54E−07

1.0278 (± 0.083)***

0.059 (± 0.002)***

223.189

406.779

 

Adults

− 6.375e−02 (± 1.148e−02)

− 5.553

8.00E−07

1.056 (± 0.084)***

0.057 (± 0.001)***

225.561

421.052

  1. Type-II response (weak) as it resulted innon-significant positive P1 followed by significant negative P2 which later convert into significant positive (P1 ± SE (−2.871e−02 ± 5.139e−03), t-value (− 5.588), P value (6.74E−07)) by reducing the complexity of polynomial regression. Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05