Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Genus Nysius - False Chinch Bugs

Orsilline Seed bug (2) 10.07.01 - Nysius Orsilline Seed bug from Jasper 10.07.11 - Nysius fuscovittatus Seed bug - Nysius Lygaeoid? - Nysius Lygaeoid? - Nysius Seed Bug - Nysius Nysius? - Nysius Male, Nysius? - Nysius - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Superfamily Lygaeoidea
Family Lygaeidae (Seed Bugs)
Subfamily Orsillinae
Genus Nysius (False Chinch Bugs)
Synonyms and other taxonomic changes
taxonomy extremely confusing, genus in bad need of global revision
Explanation of Names
Nysius Dallas 1852
12 spp. in our area(1), >100 total(2)
worldwide and throughout NA; other Nysiini are mostly in the Old World(3)(1)
It helps to know that in the so.US it tends to be N. raphanus Howard; in the midcentral US, N. niger Baker; in the middle north US, N. angustatus; in so. FL, N. scutellatus; in the cold North US, N. thymi (Wolff) [holarctic sp.]; in w. US, N. tenellus Barber and N. raphanus + about 5 more species. N. groelandicus (Zetterstedt) lives far far North. (M.H. Sweet, pers. comm. =v=)
3 (or more) species are introduced:
N. caledoniae Distant 1920 (Caledonia Seed Bug) --to Hawaii(4)
N. huttoni F.B. White 1878 --where? [of European origin(5)]
N. vinitor Bergroth 1891 (Rutherglen Bug) --where? [of Australian origin(6)]

our only representative of the tribe Nysiini Uhler 1852
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.The Lygaeidae of Florida (Hemiptera: Lygaeidae).
Slater & Baranowski. 1990. Florida Dept. of Ag. and Consumer Services, Gainesville. xv + 211 pp.
3.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.
4.Heteroptera of economic importance
Schaefer C.W., Panizzi A.R. (eds). 2000. CRC Press, Boca Raton, FL, 828 pp. Jong Y.S.D.M. et al. (2014) Fauna Europaea - all European animal species on the web. Biodiversity Data Journal 2: e4034.
6.Australian Faunal Directory