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Subfamily Blastobasinae - Scavenger Moths

Moth Scavenger Moth - Pigritia Tiny moth Blastobasis Blastobasinae gen. et sp. indet. Gelechiidae ? Pigritia sp? - Pigritia Blastobasinae?
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Gelechioidea (Twirler Moths and kin)
Family Blastobasidae (Scavenger Moths)
Subfamily Blastobasinae (Scavenger Moths)
Synonyms and other taxonomic changes
formerly considered a separate family (Blastobasidae); treated as a subfamily of Coleophoridae by Hodges in Kristensen, 1999
Numbers
68 species in 8 genera in 2 tribes in North America
Size
wingspan 12-23 mm
Identification
Adult: labial palps long and curving upward; adults at rest hold wings together over abdomen; forewing narrow (about 4-5 times as long as wide); apex blunt, and outer margin convexly curved; ground colour dark, dull, and often unmarked; underside of forewing not eye-spotted
hindwing narrow-elongate and very long-fringed (fringe 2 times width of membrane); lanceolate with rounded apex; width varies from much narrower than forewing to about same width as forewing; color plain with no spots or lines
Range
cosmopolitan
Food
larvae are mostly scavengers (hence the common name, Scavenger Moths), feeding on fallen fruits & seeds, dry detritus, decaying wood, and stored food products; some feed in acorns, others are phytophagous (plant-feeding)
Remarks
See photo 255354 for comments on difficulty of identification.
For info on separating Pigritia from other species in Blastobasinae see comments on multiple images by Terry Harrison here.
Print References
Scoble, M.J. 1992. The Lepidoptera. The Natural History Museum
Internet References
family description plus illustration of wing venation, and other info (L. Watson and M.J. Dallwitz, British Insects: the Families of Lepidoptera)
common name reference [Scavenger Moths] (Tree of Life, tolweb.org)
Images and Info at Microleps.org