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For Insects, Spiders & Their Kin
For the United States & Canada

Species Phereoeca uterella - Household Casebearer - Hodges#0390

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Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Tineoidea (Tubeworm, Bagworm, and Clothes Moths)
Family Tineidae (Clothes Moths)
Subfamily Tineinae
Genus Phereoeca (Household Casebearer Moths)
Species uterella (Household Casebearer - Hodges#0390)
Hodges Number
Other Common Names
Plaster Bagworm
Synonyms and other taxonomic changes
Phereoeca uterella (Walsingham, 1897)
Tineola uterella Walsingham, 1897 (1)
Tinea pachyspila Meyrick, 1905
Tineola oblitescens Meyrick, 1924
Tinea barysticta Meyrick, 1927
Tinea dubitatrix Meyrick, 1932
Tineola walsinghami Busck, 1934
Phereoeca postulata Gozmány, 1967
Phylogenetic sequence #300141
Explanation of Names
Specific epithet from Latin uter meaning "a bag of hide, water skin" for the larva's "bladder-shaped case composed of silk and grains of sand." (1)
The only species in this genus in North America.
Wingspan 7-13 mm, females larger than males. (2)
Mature larva about 7 mm; larval case 8-14 mm. (2)
Adult - forewing gray with up to four spots and a brush of long, lighter gray hair-like scales along inner margin of hindwing; males are smaller, thinner, and have a less distinctive wing pattern than females.
Larva - larval case is slender, flat, fusiform, or spindle-shaped, resembling the seed of a cantaloupe or pumpkin.
Southern United States, south as far as Brazil. (2)
Larval cases can be found on wool rugs and wool carpets, hanging on curtains, or under buildings, hanging from subflooring, joists, sills and foundations; also found on exterior of buildings in shaded places, under farm sheds, under lawn furniture, on stored farm machinery, and on tree trunks.
Larvae feed on old spider webs; may also eat woolen goods of all kinds if the opportunity arises. (2)
Life Cycle
See Featured Creatures in Internet References. (2)
Print References
Walsingham, T. de Grey. 1897. Revision of the West-Indian Micro-Lepidoptera with descriptions of new species. Proceedings of the Zoological Society of London, 1897: 165. (1)
Works Cited
1.Revision of the West-Indian micro-lepidoptera, with descriptions of new species.
Lord Walsingham. 1897. Proceedings of the Zoological Society of London, 1897: 54-183.
2.University of Florida: Featured Creatures