1921-description
Guides
Hellinsia arion
Long-harped Plume Moth
Hellinsia arion is a plume moth (family Pterophoridae) first described by William Barnes and Arthur Ward Lindsey in 1921. The species occurs in western North America, with records from Alberta, Canada, and Arizona, USA. Adults have a wingspan of approximately 22.5 mm and display characteristic brownish-grey and white scaled coloration with distinctive wing markings.
Ligyrocoris depictus
dirt-colored seed bug
Ligyrocoris depictus is a seed bug species in the family Rhyparochromidae, described by Barber in 1921. It is part of a complex of closely related northeastern North American species that includes L. diffusus, L. sylvestris, and a subsequently described species. These four species are sympatric in New England but differ markedly in overall distribution.
Monochroa robusta
Monochroa robusta is a small gelechiid moth described by Annette Frances Braun in 1921. The species is known from limited records in Ohio and South Carolina, with a wingspan of 11–12 mm. Larvae are leaf miners on Scirpus atrovirens, creating distinctive mines that begin as small transparent blotches and expand toward the leaf tip.