The Lygaeoidea are a sizeable superfamily of true bugs, containing seed bugs and allies, in the order Hemiptera. There are about 16 families and more than 4,600 described species in Lygaeoidea, found worldwide. Most feed on seeds or sap, but a few are predators.
The Lygaeidae are a family in the Hemiptera, with more than 110 genera in four subfamilies. The family is commonly referred to as seed bugs, and less commonly, milkweed bugs, or ground bugs. Many species feed on seeds, some on sap or seed pods, others are omnivores and a few, such as the wekiu bug, are insectivores. Insects in this family are distributed across the world.
Nysius is a genus of false chinch bugs in the family Lygaeidae. At least 100 described species are placed in Nysius.
The Blissidae are a family in the Hemiptera, comprising nearly 50 genera and 400 species. The group has often been treated as a subfamily of the Lygaeidae but was resurrected as a full family by Thomas Henry (1997).
Orsillinae is a subfamily of seed bugs in the family Lygaeidae. There are at least 110 described species in Orsillinae; the type genus is Orsillus.
Lygaeospilus is a genus of seed bugs in the family Lygaeidae. There are at least four described species in Lygaeospilus.
Kleidocerys is a genus of seed bugs in the family Lygaeidae. There are about 17 described species in Kleidocerys.
Jalysus is a genus of stilt bugs in the family Berytidae. There are about 12 described species in Jalysus.
Tempyra is a genus of dirt-colored seed bugs in the family Rhyparochromidae. There are at least two described species in Tempyra.
Oncopeltus is a genus of seed bugs in the family Lygaeidae, which has at least 40 described species.
Ochrimnus mimulus is a species of seed bug in the family Lygaeidae. It is found in North America.
Melanopleurus belfragei, the redcoat seed bug, is a species of seed bug in the family Lygaeidae. It is found in Central America and North America.
Melanopleurus is a genus of seed bugs in the family Lygaeidae. There are more than 20 described species in the genus Melanopleurus.
Xyonysius is a genus of seed bugs in the family Lygaeidae. There are about eight described species in Xyonysius.
Metacanthus is a genus of stilt bugs in the family Berytidae. There are more than 20 described species in Metacanthus.
Lygaeus kalmii, known as the small milkweed bug or common milkweed bug, is a species of seed bug in the family Lygaeidae. It is found in Central and North America.
Oncopeltus sexmaculatus, the six-spotted milkweed bug, is a species of seed bug in the family Lygaeidae. It is found on islands in the Caribbean Sea, Central America, and North America.
Malcidae is a family of true bugs in the order Hemiptera. There are at least 4 genera and more than 40 described species in Malcidae.
Ischnorhynchinae is a subfamily of seed bugs in the family Lygaeidae. There are about 16 genera and more than 70 described species in Ischnorhynchinae. The members of this subfamily are small, terrestrial insects that typically translucent or transparent plate-like structures covering the thorax (pronota) and tend to live in plant flowers.
Melacoryphus is a genus of seed bugs in the family Lygaeidae. There are about 11 described species in Melacoryphus, found in Central and North America.
