Continued
Treatment:
Fumigation using methyl bromide is the treatment of choice. Because of warehouse
beetle's habit of hiding in cracks and crevices and infesting porous block, the
entire structure, in addition to its contents, must be fumigated. Typically,
the building is covered by tarpaulin or heavy grade polythene and the fumigant
is pumped in at an approved rate, typically six to nine pounds per thousand cubic
feet, depending upon temperature. The process may take several hours, depending
on the size of the building and the strict safety precautions required. The future
for the continued use of methyl bromide fumigation for khapra beetle and warehouse
beetle is uncertain at this time as it is not as effective if the larvae are
in diapause.
|