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Liposcelis bostrychophila Badonnel, 1931
The species is a wide-spread stored-product and hygenical pest which is common in houses and stores. It is apparently of tropical origin but is now common in temperate regions and has become an important pest in Asia, Europe, North America and Australia. Although it can contaminate all kinds of organic products (including insect collections), the main impact is on grain stores where it reaches extremely high numbers.
The adults are wingless, brownish and about 1 mm long. They can reproduce parthenogenically which explains its invasion potential and rapid multiplication. The development from egg to adult lasts 18d at 32°C (Wang et al., 2000). It can also survive without food for around 2 months.