GB/T 23795-2009Surveillance methods for vector density - Cockroach (English PDF)

2.1

Insecta Blattodea insect, relates only to harm humans Cockroaches.

2.2

For cockroach driven from its habitat activities in order to monitor when an agent view, agents are commonly used to detect the mass fraction

Number of 0.3% permethrin wine semen.

2.3

Stick to the cockroaches, or damage to, it does not move and did not stick to the cockroaches cockroach sticky paper.

3.1 Sticky traps method

3.1.1 appliance

Cockroach sticky paper. plastic surface specifications for 170mm × 100mm.

3.1.2 Procedure

While monitoring, the cockroach sticky paper centrally placed 2g of fresh bread crumbs as bait, which is often placed in the cockroach habitat location of the activity, each

15m2 room to put a lack of 15m2 by 15m2 room separate calculation by more than 15m2 room 15m2 as a conversion, cockroach sticky paper

Place 12h, late morning put income. Record type and quantity of catch cockroaches, cockroach sticky catch rate calculation, infestation rate, density, density index, monitoring and recording

Table to Table A. 1. Must not be selected within a week of drug-treated place for monitoring when the monitoring point, each time monitoring, cockroach sticky paper must be updated.

3.1.3 Expression of results

According to formula (1), (2), (3) and (4) were calculated sticky catch rate, infestation rate, density and density index.

T = NpNe ×

100% (1)

Where.

T --- Cockroach sticky catch rate;

Np --- stick to catch cockroaches cockroach sticky paper number of units of Zhang;

Ne --- effective cockroach sticky paper, in units of Zhang.

In = NpNt ×

100% (2)

Where.

In --- infestation rate;

GB/T 36388-2018 | YBB 2027-2012 | YBB 6006-2012 | GB/T 23797-2020 | GB/T 23798-2009 | GB/T 23796-2009 | […]