Table 1 Comparative acute toxicity of acephate, imidacloprid, zeta-cypermethrin, acephate + fenpropathrin, and thiamethoxam + lambda-cyhalothrin (LC50 in ng of a.i. per cm2) to the soybean brown stink bug Euschistus heros and the egg parasitoid Telenomus podisi.

From: Differential impacts of pesticides on Euschistus heros (Hem.: Pentatomidae) and its parasitoid Telenomus podisi (Hym.: Platygastridae)

Insecticide

Insect

n

Slope ± SE

CL50*

95% CI

χ2

Acephate

E.h.

750

1,86 ± 0,17

381.06

318.59–456.01

14.48

T.p.

400

3.03 ± 0.30

57.43

48.63–67.39

3.15

Imidacloprid

E.h.

650

0.93 ± 0.09

533.74

386.24–672.92

6.77

T.p.

400

4.17 ± 0.59

1.85

1.62–2.08

4.22

Zeta-cypermethrin

E.h.

500

2.14 ± 0.25

86.98

65.61–113.82

4.69

T.p.

400

1.72 ± 0.17

20.38

12.74–30.33

12.57

Acetamiprid + fenpropathrin

E.h.

400

1.40 ± 0.12

35.62

26.28–47.75

3.43

T.p.

300

1.55 ± 0.19

5.79

3.01–8.79

3.57

Thiamethoxam + lambda-cyhalothrin

E.h.

350

0.88 ± 0.12

1.20

0.55–1.76

1.00

T.p.

300

1.66 ± 0.22

0.69

0.46–1.39

3.52

  1. E.h. = Euschistus heros; T.p. = Telenomus podisi; *Values whose confidence intervals (95% CI) do not overlap are considered significantly different.
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