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Table 2 Influence of ageing-conditions, hay concentration and conspecific odors on attraction to infusion-baited AGO-Bs

From: An improved autocidal gravid ovitrap for the control and surveillance of Aedes aegypti

Experiment

Infusion age (days)

Infusion attractant

Avg. females per trap (95% CI)

F

P-valueb

1 - Infusion fermentation conditions

7

Anaerobically-fermented

46.1 (40.7, 51.6)

5.1

<0.05

 

In situ (AGO-A)

37.4 (31.9, 42.8)

  
 

In situ (AGO-B)

36.3 (30.9, 41.7)

  

2 - Hay concentrationa

7

In situ (1×)

12.1 (9.6, 14.6)

0.8

NS

 

In situ (2.2×)

10.1 (8.1, 13.1)

  
 

28

In situ (1×)

19.4 (17.0, 21.7)

3.8

NS

  

In situ (2.2×)

16.2 (13.8, 18.6)

  

3 - Addition of conspecific larvae

7

In situ

34.9 (29.1, 40.6)

1.5

NS

 

In situ + 50 larvae

39.7 (33.9, 45.4)

  
  

In situ + 500 larvae

41.1 (35.4, 46.9)

  
  1. a 1× infusion concentration = 3.8 g of hay per l of dechlorinated tap water, 2.2× infusion concentration = 8.3 g of hay per l of dechlorinated tap water. A 1× concentration was used to prepare in situ infusions in experiments 1 and 3.
  2. b NS: not significant (P ≥ 0.05).