Can ladybugs get dehydrated

The Lady Bug is the most widely recognized of all Beneficial Insects. The Lady Bug, actually a beetle, is known mostly for aphid control but also feeds on chinch bugs, asparagus beetle larvae, thrips, Colorado potato beetle, whitefly & mites. The Lady Bug is effective in gardens and greenhouses and will attack pests in both it's larvae and adult stages. Ladybugs will consume over 1,000 aphids in it's lifetime. Available year round Lady Bugs are shipped as adults and can be stored for several weeks in the refrigerator. 1500 is enough for an average garden, 1 gallon will cover an acre depending on the level of infestation.