WS/T 692-2020 in English

Interpretation of the core content of the standard

Technical Points Analysis

1. Definition of Monitoring Indicators

The standard clearly defines that effective insect sticky paper must meet the following requirements: ① It sticks to bed bugs; ② It is a blank sticky paper that is not damaged or moved. Bed bug traces include biological traces such as dead insects, molting skins, eggs and feces.

2. Comparison of calculation formulas

Implementation suggestions

1. Operation specifications

• The visual inspection method should focus on checking high-risk areas for bed bug breeding, such as gaps in bed frames and joints of furniture
• When placing sticky traps, ensure that four corners are positioned (one at each corner of the bed/sofa)

2. Data Recording

It is recommended to use the Table A.1 (visual inspection method) and Table A.2 (sticky trap method) formats provided in the standard appendix, and record the following:

1. Monitoring time/location/personnel
2. Effective monitoring area conversion (>15㎡ requires segmented calculation)
3. Insect stage classification and counting (adults/nymphs/eggs)

Standard Evolution Analysis

This standard for the first time includes Bed bug monitoring is separated from the integrated vector standard. The innovations include:

• Introducing Bed bug trace positive rate as an auxiliary evaluation indicator
• Clarifying the reference implementation clauses for transportation vehicles (sleeping berths)
• Unifying the specifications of sticky insect paper (170mm×100mm)