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Egyptian Journal of Biological Pest Control

Table 6 Numerical response of predator A. biannulipes feeding on P. truncatus pupae at various densities

From: Population dynamics of the predator Alloeocranum biannulipes Montrouzier and Signoret (Hemiptera: Reduviidae) feeding on the larger grain borer, Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae), infesting cassava chips

Prey density

Mean ± S.E./female

Prey consumed

Eggs laid

Eggs hatched

Adults

1

0.50 ± 0.54a

23.83 ± 0.98bc

11.00 ± 1.67ab

9.17 ± 2.78a

2

0.83 ± 0.40ab

23.33 ± 3.01abc

9.83 ± 1.72a

8.17 ± 1.16a

3

0.83 ± 0.40ab

20.67 ± 1.63a

11.67 ± 2.94ab

8.50 ± 2.58a

4

1.00 ± 0.00ab

20.50 ± 2.25a

9.50 ± 2.88a

7.83 ± 1.16a

5

1.00 ± 0.00ab

21.17 ± 1.16ab

11.67 ± 2.50ab

8.83 ± 1.60a

6

1.67 ± 0.51b

24.83 ± 2.40c

14.67 ± 1.36b

10.33 ± 1.50a

ANOVA

df = 35

F = 4.222

P < 0.05

df = 35

F = 4.989

P < 0.05

df = 35

F = 3.879

P < 0.05

df = 35

F = 1.123

P > 0.05

  1. In each column, mean values followed by different letters are significantly different (P < 0.05)
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