A harbour or other place of shelter.
- Cockroaches were released with a male to female ratio of 1: 1 and allowed to acclimatize for 2 to 2.5 h i.e., until all of them aggregate within the harborages, which were kept in the cage for sheltering.
- To achieve control, all their harbourages must be found and treated with residual insecticide. Look for small, dark faecal spots or white dots - bedbug eggs - close to hiding places.
- The objective is to remove old grain and residue that could provide a harborage for these fungi.
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