| Treatment* |
|
Bed Bugs Mean Mass (g) (x̅ ± SEM) |
Mean % Increase (x̅ ± SEM) |
| Caffeine (ppm) |
N** |
Before Feeding |
After Feeding |
Increase |
| 0 |
120 |
0.0745 ± 0.0015 |
0.1964 ± 0.0060 |
0.1219 ± 0.0058 |
163.9001 ± 8.81 a |
| 10 |
120 |
0.0823 ± 0.0028 |
0.2056 ± 0.0039 |
0.1233 ± 0.0043 |
151.2402 ± 8.81 ac |
| 20 |
120 |
0.0779 ± 0.0019 |
0.1919 ± 0.0042 |
0.1139 ± 0.0049 |
147.0597 ± 9.06 ae |
| 30 |
120 |
0.0822 ± 0.0032 |
0.1882 ± 0.0073 |
0.1060 ± 0.0091 |
131.2207 ± 14.58 a |
| 40 |
120 |
0.0779 ± 0.0035 |
0.1665 ± 0.0076 |
0.0885 ± 0.0044 |
113.7580 ± 3.43 bd |
| 50 |
120 |
0.0747 ± 0.0020 |
0.1538 ± 0.0148 |
0.0790 ± 0.0135 |
104.6169 ± 15.95 bd |
|
*Each treatment had six replications
**Total numbers of bed bugs per treatment |
| Table 2: Average weight of the 20 bed bugs (10 M; 10 F) before and after feeding, plus mass and percent increase for each caffeine concentration added to their blood
meal. Significant differences (p<0.05) of the average mass percent increase is represented by the different letters. |
