We do not recommend bombing the moving truck, because it is too small a space and any spiders that may be hiding in the boxes would not be touched. We do however recommend treating the house you are moving into. You could use Demon WP
and apply as a coarse, low pressure treatment to areas where these pests hide, such as baseboards, corners, storage areas, closets, around water pipes, doors and windows, attics and eaves, cabinets, sinks, furnaces, stoves, behind and under refrigerators, the underside of shelves, drawers and similar areas. Also, spray around the outside perimeter of the home 2-3 feet up and 2-3 feet out.You may want to consider purchasing some Nuvan ProStrips
to place in the boxes and storage containers. They will kill spiders and roaches for up to 4 months. Please read the product label for additional information.