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Table 1 Percentage of response ± SE of virgin and mated male and female of Coccinella undecimpunctata to different odor sources, tested in a 4-arm olfactometer (single individual experiment)

From: Responses of the predatory species, Coccinella undecimpunctata L. (Coleoptera: Coccinellidae), to the volatiles from its prey, Aphis craccivora Koch. and Vicia faba plant

Predator type

No.

No. of non-response

% Response

 

Un-infested bean plant

Aphids

Infested bean plant with aphids

Empty chamber

P value

Virgin male

80

15

25.00 ± 1.89 a (AB)

21.25 ± 3.50 b (B)

31.25 ± 2.26 b (A)

3.75 ± 1.83 a (C)

< 0.001

Virgin female

80

16

21.25 ± 1.25 a (B)

17.50 ± 2.50 b (B)

36.25 ± 4.20 ab (A)

5.00 ± 1.89 a (C)

< 0.001

Mated male

80

14

12.50 ± 2.50 b (B)

30.00 ± 2.67 a (A)

32.50 ± 5.90 b (A)

7.50 ± 2.50 a (B)

< 0.001

Mated female

80

12

13.75 ± 1.83 b (B)

20.00 ± 2.67 b (B)

47.50 ± 3.13 a (A)

3.75 ± 1.82 a (C)

< 0.001

P value

 

< 0.001

0.014

0.03

0.41

 

L.S.D (A)

4.12

L.S.D (B)

4.12

L.S.D (A*B)

8.25