Table 3. Cumulative recapture rate of marked and released bed bugs after 14 days.
Apt.# | Total recapture rate | Recapture rate by stage and adult sex | Recapture rate by release site a | ||||
---|---|---|---|---|---|---|---|
Large nymphs | Male | Female | Bedroom | Living room | Bathroom | ||
1 | 40% | ‒ b | 31% | 54% | 37% c | 52% | |
2 | 31% | ‒ | 25% | 38% | 18% | 76% | 37% |
3 | 28% | ‒ | 25% | 30% | 5.0% | 60% | 40% |
4 d | 6% | ‒ | 6% | 7% | 7% | 5% | ‒ |
5 | 72% | ‒ | 64% | 79% | 72% | ‒ | |
6 | 44% | 50% | 31% | 38% | 48% | 45% | 39% |
a This rate is the number of bed bugs released in a given room that were recaptured throughout the apartment divided by the number released in that room.
b No marked bed bugs were released or the resident discarded harborages with marked bed bugs on the day of release (apt. #4).
c Studio units (#1 and 5) had no distinction between the bedroom and living room.
d Resident interfered with study by moving and emptying interceptor traps.