Idia majoralis

(Smith, 1895)
Greater Idia

Sort #: 2181.1 | P #: 930470 | MPG #: 8324
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Larval feeding type: Has been associated with Woodrat nests, but it must also use other nests, It is not known whether they exclusively use rodent nests.
Larval substrate: Probably dead plant material used for nest-making.
Phenology: Adult: 7/19 (1 record)

Comment: According to Forbes (1954) it occurs from "Eastern Massachusetts to Montana", but no older Massachusetts records have yet been found.

Status in MA (automated assessment): Restricted distribution, very rare
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 2025
Last Year Reported: 2025

Distribution by County: Worcester
Number of Records: 1