Phereoeca uterella is a species of moth belonging to the family Tineidae. It is commonly known as the plaster bagworm but as the term "bagworm" more properly refers to moths of a different family, it is often called the household casebearer – which may in turn refer to the related Phereoeca allutella.

We have observed Plaster Bagworm 11 times world wild from 2021-05-22 till this date with the last observation being in 2022-07-06 in Philippines.

Our data suggest that Plaster Bagworm are highly active in June, April and March world wild but differences observed on country level, while the lowest activity observed on May and July.

We noticed also the top 3 countries to observe Plaster Bagworm in are: Indonesia, Mexico and Philippines respectively.