Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

-- suspect new sp. close to E. dimidiatus Van Duzee


Elevation of the seedbug Eremocoris borealis (Dallas) from synonymy with Eremocoris ferus (Say) (Hemiptera: Lygaeidae)
By Sweet, M.H.
Entomological News, 88: 169-176, 1977
Includes key to the eastern species of Eremocoris.

A new species of Drymus Fieber from Mexico, with a key to species and a checklist of western hemisphere Drymini (Hem.:Lygaeidae)
By Slater J.A., Brailovsky H.
Proc. Ent. Soc. Wash. 99: 37-41, 1997
Full text
The checklist provides somewhat sketchy yet helpful distr. data on 37 spp. of 6 genera, of which 27 spp. occur in our area. (There's evidence, though, that several western spp. remain unnamed.)

The biology and ecology of the Rhyparochrominae of New England (Heteroptera : Lygaeidae) Part II
By Sweet, M.H.
Entomologica Americana, 44: 1-201, 1964

The first eastern North American records for the introduced European rhyparochromids Drymus brunneus (Sahlberg) and Raglius...
By S.M. Paiero, S.P.L. Luk & D. Beaton
J. Entomol. Soc. Ontario 151: 25-31, 2020
Reports the first eastern North American occurrences of the introduced rhyparochromids Drymus brunneus and Raglius alboacuminatus, and the first North American record of Gastrodes grossipes.

Full text PDF

Concerning Lygaeidae--No.2.
By Barber, H.G.
Journal of the New York Entomological Society 16(2): 49-66., 1918
Full Text - BHL

Barber, H.G. (1918) Concerning Lygaeidae--No.2. Journal of the New York Entomological Society 16(2): 49-66.

Lygaeidae of the West Indies
By Baranowski, R.M., and J.A. Slater
Florida Agricultural Experiment Station; Gainesville., 2005
Baranowski, R.M., and J.A. Slater. 2005. Lygaeidae of the West Indies. Florida Agricultural Experiment Station; Gainesville. 266 p.

Seed Bugs and their allies (Hemiptera: Heteroptera: Lygaeoidea) of the Canadian Prairie Provinces
By David J. Larson, G.G.E. Scudder
Canadian Journal of Arthropod Identification, 34, 2018
Full text PDF

Very nice work!

First Canadian records for two invasive seed-feeding bugs, Arocatus melanocephalus (Fabricius, 1798) and Raglius alboacuminatus
By Acheampong S., Strong W.B., Schwartz M.D., Higgins R.J., Thurston M.A., Walker E.J., Roberts J.
J. Ent. Soc. B.C. 113: 74-78, 2016
Full title: First Canadian records for two invasive seed-feeding bugs, Arocatus melanocephalus (Fabricius, 1798) and Raglius alboacuminatus (Goeze, 1778), and a range extension for a third species, Rhyparochromus vulgaris (Schilling, 1829) (Hemiptera: Heteroptera)

Full text

it's ridiculous how long it took them to record R. alboacuminatus, of which we've had a nice pic from Vancouver Is. as early as 2009