Skip to main content

Table 3 Mean duration (in days) of the different stages of Olpium kochi and the number of victims (1st instar of Spodoptera littoralis) that were consumed by nymphal and adult stages of the animal

From: Arthropod fauna of Thymelaea hirsuta in the Egyptian western desert, with a special reference to Olpium kochi

 

Protonymph

Deutonymph

Tritonymph

Subtotal

Adult stage

Male

Female

Male

Female

Male

Female

Male

Female

Male

Female

Laboratory conditions (22–25 °C & 50–65% R.H.), 2018

Active period (days)

24.2

23.6

24.6

23.0

39.0

35.2

87.8 ± 0.4

81.8 ± 0.3

132.6

140.4

Inactive period (days)

14.2

14.2

9.4

11.0

13.2

12.8

36.8 ± 0.6

38.0 ± 0.3

0.0

0.0

Total period (days)

38.4

37.8

34.0

34.0

52.2

48.0

124. ± 0.4A

119.8 ± 0.3B

123.6

140.4

Consumed victims (No.)

31.0

30.8

34.4

324

30.6

28.4

96.6 ± 0.5

91.6 ± 0.4

102.2

126.4

Constant conditions (27 ± 1 °C & 60% R.H.)

Active period (days)

11.2

12.6

13.8

13.0

16.0

16.0

41.0 ± 0.2

41.6 ± 0.2

107.4

166.2

Inactive period (days)

14.0

14.2

12.20

11.0

10.4

11.2

37.6 ± 0.4

36.4 ± 0.3

0.0

0.0

Total period (days)

26.0

26.8

26.0

24.0

26.4

27.2

78.6 ± 0.1A

78.0 ± 0.3A

107.4

166.2

Consumed victims (No.)

26.0

22.0

28.4

28.4

31.6

29.6

86.0 ± 0.2

80.0 ± 0.3

101.0

170.4

  1. *Means based on 15 individually reared animals per rearing conditions
  2. Means within a row with the same letter are not significantly different (t test, P > 0.05)