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Family Rhyparochromidae - Dirt-colored Seed Bugs

Long-necked Seed Bug - Myodocha serripes Bug - Slaterobius Lygaeid - Rhyparochromus vulgaris Myodocha - Myodocha serripes mushroom bug - Antillocoris Dirtcolored Seed Bug? - Neopamera bilobata Dirt-colored seed bug - Heraeus plebejus Dirt-Colored Seed Bug - Rhyparochromus vulgaris
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Family Rhyparochromidae (Dirt-colored Seed Bugs)
Synonyms and other taxonomic changes
formerly part of Lygaeidae
Explanation of Names
Rhyparochromidae
rhypar is Greek for dirt, filth, filthy (1)
chrom is Greek for color
Numbers
The family includes two subfamilies, 368 genera, and over 1,800 species world wide per Wiki.
Range
Throughout North America per data posted here.
Season
Year round in many states per data posted here.
Remarks
Family RHYPAROCHROMIDAE
Subfamily Rhyparochrominae (The only one represented in North America.)
Tribe Antillocorini
Genera Antillocoris Kirkaldy 1904, Botocudo Kirkaldy 1904, Cligenes Distant 1893, Paurocoris Slater 1980

Tribe Drymini
Genera Drymus Fieber 1860, Eremocoris Fieber 1860, Gastrodes Westwood 1840, Scolopostethus Fieber 1860, Thylochromus Barber 1928, Togodolentus Barber 1918

Tribe Gonianotini
Genera Atrazonotus Slater & Ashlock 1966, Delochilocoris Bergroth 1893, Emblethis Fieber 1860, Malezonotus Barber 1918, Spinigernotus Scudder 1984, Trapezonotus Fieber 1860

Tribe Lethaeini
Genera Cistalia Stål 1874, Cryphula Stål 1874, Valtissius Barber 1918, Xestocoris Van Duzee 1906

Tribe Megalonotini
Genera Lamprodema Fieber 1860, Megalonotus Fieber 1860, Sphragisticus Stål 1872

Images of Sphragisticus nebulosus (Fallén 1807) see here
Tribe Myodochini
Genera Ashlockaria Harrington 1980, Caenopamera Barber 1918, Carpilis Stål 1874, Cnemodus Herrich-Schaeffer 1850, Ereminellus Harrington 1980, Froeschneria Harrington 1980, Heraeus Stål 1862, Kolenetrus Barber 1918, Ligyrocoris Stål 1872, Myodocha Latreille 1807, Neopamera Harrington 1980, Pachybrachius Hahn 1826, Paromius Fieber 1860, Perigenes Distant 1893, Prytanes Distant 1893, Pseudocnemodus Barber 1911, Pseudopachybrachius Malipatil 1978, Pseudopamera Distant 1882, Ptochiomera Say 1832, Sisamnes Distant 1893, Slaterobius Harrington 1980, Valonetus Barber 1918, Zeridoneus Barber 1918, Zeropamera Barber 1948

Images of Ashlockaria sobria (Uhler 1894) (not yet in the guide) see here
Tribe Ozophorini
Genera Balboa Distant 1893, Ozophora Uhler 1871

Tribe Plinthisini (sometimes treated as a separate subfamily)
Genera Plinthisus Stephens 1829
Not yet in the guide. Images of the European P. brevipennis (Latreille 1807) see here and here
Tribe Rhyparochromini
Genera Cordillonotus Scudder 1984, Dieuches Dohrn 1860, Orphnotrechus Sweet 1991, Peritrechus Fieber 1860, Raglius Stål 1872, Rhyparochromus Hahn, 1826, Uhleriola Horvath 1908, Xanthochilus Stål 1872

Cordillonotus stellatus Scudder 1984 see here
Tribe Stygnocorini
Genera Stygnocoris Douglas & Scott 1865

Tribe Udeocorini
Genera Neosuris Barber 1924, Tempyra Stål 1874
Print References
Henry, T.J. 1997. Phylogenetic Analysis of Family Groups within the Infraorder Pentatomorpha (Hemiptera: Heteroptera), with Emphasis on the Lygaeoidea. Annals of the Entomological Society of America, 90(3): 275-301.

Slater, J.A. 1986. A synopsis of the zoogeography of the Rhyparochrominae (Heteroptera: Lygaeidae). J. New York Entomol. Soc. 94(2): 262-280.

Internet References
classification history plus description, world numbers, list and discussion of Australian tribes, references (Australian Government)
Slater J. A. (1990) Lygaeidae of Florida (Hemiptera: Heteroptera) Arthropods of Florida and neighboring land areas, v. 14 0066-8036 (treats Lygaeidae inclusively, i.e. incl. Blissidae, Cymidae, Geocoridae, Lygaeidae, Ninidae, Pachygronthidae, and Rhyparochromidae)
Works Cited
1.Dictionary of Word Roots and Combining Forms
By Donald J. Borror