Seed-bug
Guides
Ochrimnus tripligatus
Ochrimnus tripligatus is a seed bug in the family Lygaeidae. It occurs in the Caribbean region and North America, with records from the United States, Bahamas, Cuba, Eleuthera, and San Andres. The species was described by Barber in 1914. It is a member of the subfamily Lygaeinae within the true bugs.
Ochrostomus
Ochrostomus is a genus of seed bugs in the family Lygaeidae, established by Carl Stål in 1874. Members of this genus belong to the subfamily Lygaeinae and are characterized by their relatively small to medium size and association with seed-feeding habits typical of the family. The genus is primarily distributed in the Old World tropics and subtropics. As with many lygaeid genera, species-level taxonomy remains partially unresolved, and ecological data for most species are limited.
Oedancala dorsalis
Oedancala dorsalis is a true bug in the family Pachygronthidae, within the superfamily Lygaeoidea. The species was originally described as Pamera dorsalis by Say in 1831. It occurs in North America, with records from the United States and Canada. As a member of the seed bug superfamily Lygaeoidea, it belongs to one of the largest and most diverse superfamilies of Heteroptera. The family Pachygronthidae comprises relatively small, often ground-dwelling true bugs.
Oncopeltus
large milkweed bugs
Oncopeltus is a genus of seed bugs in the family Lygaeidae containing at least 40 described species. The genus is best known for the large milkweed bug (Oncopeltus fasciatus), a widely studied species that feeds on milkweed seeds and exhibits striking aposematic orange and black coloration. Members of this genus are specialized feeders on plants in the family Apocynaceae, particularly milkweeds (Asclepias), and have evolved the ability to sequester toxic cardiac glycosides from their host plants for defense. Several species undergo annual migrations between northern breeding grounds and southern overwintering areas.
Oncopeltus aulicus
Oncopeltus aulicus is a seed bug in the family Lygaeidae. It is found in Florida and the Caribbean, with records extending to parts of Central and South America including Mexico, Brazil, and Colombia. Unlike its congener Oncopeltus fasciatus, detailed biological information for this species is limited.
Oncopeltus cayensis
Keys Milkweed Bug
Oncopeltus cayensis is a seed bug in the family Lygaeidae, commonly known as the Keys Milkweed Bug. It is native to the Caribbean region and parts of North America, with confirmed records from the Bahamas and the United States. As a member of the genus Oncopeltus, it is closely related to the well-studied Large Milkweed Bug (Oncopeltus fasciatus), though specific details of its biology remain poorly documented compared to its more widespread congener.
Oncopeltus fasciatus
Large Milkweed Bug
The large milkweed bug is a medium-sized true bug distributed throughout North America from southern Canada to Costa Rica. It is a specialist feeder on milkweed seeds, sequestering cardiac glycosides from its host plant for chemical defense. The species undergoes annual long-distance migrations, wintering in southern states and Mexico before returning north in spring. Both nymphs and adults display striking orange and black aposematic coloration warning predators of their toxicity.
Oncopeltus guttaloides
Oncopeltus guttaloides is a seed bug in the family Lygaeidae, closely related to the well-studied large milkweed bug (Oncopeltus fasciatus). The species occurs in southern Central America, the Caribbean, and the southern United States. Its nymphs are gregarious and form large clusters on host plants. Like other Oncopeltus species, it is associated with milkweed plants and exhibits aposematic coloration.
Oncopeltus sexmaculatus
six-spotted milkweed bug
Oncopeltus sexmaculatus, commonly known as the six-spotted milkweed bug, is a seed bug in the family Lygaeidae. The species is distributed across islands in the Caribbean Sea, Central America, and North America. Like other members of the genus Oncopeltus, it is associated with milkweed plants. The specific epithet 'sexmaculatus' refers to six spots, likely describing a distinctive color pattern on the body.
Ozophora depicturata
dirt-colored seed bug
Ozophora depicturata is a seed bug species in the family Rhyparochromidae, first described by Barber in 1928. It belongs to the large and diverse group of 'dirt-colored seed bugs' characterized by generally dull, earth-toned coloration. The species is documented from North America, with occurrence records from the United States.
Ozophora occidentalis
Ozophora occidentalis is a species of seed bug in the family Rhyparochromidae, described by Slater in 1988. It is distributed in western North America, with records from Canada and the United States. As a member of the genus Ozophora, it belongs to a group of true bugs primarily associated with seed feeding. The species is part of the tribe Ozophorini within the subfamily Rhyparochrominae.
Ozophora salsaverdeae
Ozophora salsaverdeae is a seed bug in the family Rhyparochromidae, described by Slater in 1988. The specific epithet refers to Salva Verde, a protected area in Costa Rica where the species was first collected. As a member of the Ozophorini tribe, it belongs to a group of dirt-colored seed bugs characterized by ground-dwelling habits and seed-feeding ecology. The species has been documented through over 270 iNaturalist observations, indicating it is not uncommon within its range.
Pachybrachius fracticollis
dirt-colored seed bug, wetland groundbug
Pachybrachius fracticollis is a seed bug in the family Rhyparochromidae, commonly known as the wetland groundbug or dirt-colored seed bug. The species has a broad distribution spanning Europe, Northern Asia (excluding China), and North America. Three subspecies are recognized: P. f. collaris, P. f. fracticollis, and P. f. tridens. As a member of the Myodochini tribe, it belongs to a group of ground-dwelling bugs associated with moist habitats.
Pachybrachius luridus
sphagnum groundbug, dirt-colored seed bug
Pachybrachius luridus is a species of dirt-colored seed bug in the family Rhyparochromidae. It has a broad distribution spanning Europe, Northern Asia (excluding China), North America, and Southern Asia. The species is commonly known as the sphagnum groundbug, suggesting an association with peat-forming wetland habitats.
Pachygrontha compacta
Pachygrontha compacta is a true bug species in the family Pachygronthidae, first described by Distant in 1893. It is a seed bug with a broad distribution across the Neotropical and Nearctic regions, recorded from the southern United States through Central America and the Caribbean to South America. The species belongs to a family of lygaeoid bugs characterized by their elongate body form and seed-feeding habits. Like other members of Pachygronthidae, it is presumed to feed on seeds of grasses or other monocot plants, though specific host records remain limited.
Paragonatas
Paragonatas is a genus of seed bugs in the family Rhyparochromidae, tribe Lethaeini. The genus was established by Barber in 1939 and is currently accepted in taxonomic databases. Members of this genus are true bugs (Hemiptera: Heteroptera) within the superfamily Lygaeoidea. The genus has been documented in citizen science platforms with approximately 170 observations recorded.
Paragonatas divergens
Paragonatas divergens is a species of true bug in the family Rhyparochromidae, a group commonly known as dirt-colored seed bugs. The species was originally described by Distant in 1882 under the basionym Gonatas divergens and later transferred to the genus Paragonatas. As a member of the tribe Lethaeini within the subfamily Rhyparochrominae, it belongs to a diverse lineage of ground-dwelling seed-feeding bugs. The genus Paragonatas is distinguished from related genera by genitalic and structural features, though specific diagnostic characters for P. divergens require examination of type material or detailed redescriptions.
Paraheraeus
Paraheraeus is a genus of seed bugs in the family Rhyparochromidae, established in 2016. It belongs to the tribe Myodochini, a diverse group of ground-dwelling true bugs. The genus was erected to accommodate species previously placed in related genera, reflecting refined understanding of relationships within the Rhyparochrominae. As a recently described genus, its species-level taxonomy and biology remain incompletely documented.
Paraheraeus eximius
Paraheraeus eximius is a seed bug in the family Rhyparochromidae, first described by Distant in 1882. It belongs to the tribe Myodochini, a group of ground-dwelling true bugs commonly associated with seeds and plant debris. The species has been recorded from the United States and Guatemala. As a member of the Lygaeoidea superfamily, it shares the typical rhyparochromid habit of feeding on seeds, though specific ecological details for this species remain limited.
Paromius
dirt-colored seed bugs
Paromius is a genus of seed bugs in the family Rhyparochromidae containing approximately 15 described species. Members are elongate, parallel-sided bugs with glabrous integument and distinctive pronotal structure. The genus has broad geographic distribution spanning the Afrotropical region and subtropical Eurasia, with at least one species extending into temperate Europe. Some species are associated with grasses (Poaceae) and can be agricultural pests, while others occupy dry, xerothermic habitats.
Paromius longulus
dirt-colored seed bug
Paromius longulus is a species of dirt-colored seed bug in the family Rhyparochromidae. It is distributed throughout the New World, with records from the United States through the Caribbean and Central America to South America. The species belongs to the tribe Myodochini, a group characterized by ground-dwelling habits and seed-feeding ecology.
Paurocoris
Paurocoris is a genus of dirt-colored seed bugs in the family Rhyparochromidae, established by Slater in 1980. The genus contains at least two described species: Paurocoris punctatus (Distant, 1893) and Paurocoris wygodzinskyi Slater, 1980. It belongs to the tribe Antillocorini within the subfamily Rhyparochrominae.
Paurocoris punctata
Paurocoris punctata is a seed bug in the family Rhyparochromidae, first described by Distant in 1893. The species belongs to the tribe Antillocorini and is known from scattered records in the southern United States and Panama. As a member of the Lygaeoidea superfamily, it likely exhibits the typical seed-feeding habits common to this group, though specific ecological data remain limited. The genus Paurocoris is relatively poorly studied, with most species known from few specimens and limited geographic documentation.
Perigenes constrictus
Perigenes constrictus is a species of seed bug in the family Rhyparochromidae, commonly referred to as a dirt-colored seed bug. It occurs across North America and Central America. The species was described by Thomas Say in 1831. Like other members of its family, it is likely associated with ground-level habitats and seed-feeding ecology, though specific biological details remain poorly documented in published sources.
Perigenes similis
dirt-colored seed bug
Perigenes similis is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Barber in 1906. It belongs to the true bugs (Hemiptera) and is characterized by its dull, earth-toned coloration typical of the group. The species has been documented in Florida with specific notes on its habits and habitats, though detailed biological information remains limited.
Peritrechus convivus
dirt-colored seed bug
Peritrechus convivus is a species of seed bug in the family Rhyparochromidae, first described by Stål in 1858. It is a member of the dirt-colored seed bug group, characterized by subdued coloration typical of this family. The species has a broad distribution spanning the Holarctic region, with records from Europe, Northern Asia, and North America. Its wide geographic range suggests ecological adaptability, though specific habitat preferences remain poorly documented.
Peritrechus fraternus
dirt-colored seed bug
Peritrechus fraternus is a species of seed bug in the family Rhyparochromidae, described by Uhler in 1871. It belongs to a group commonly referred to as dirt-colored seed bugs, characterized by their dull, earth-toned coloration. The species occurs across much of North America and extends into Central America. Records indicate presence in Canada, the United States, and Mexico.
Plinthisus martini
dirt-colored seed bug
Plinthisus martini is a species of seed bug in the family Rhyparochromidae, described by Van Duzee in 1921. It belongs to a group commonly known as dirt-colored seed bugs, characterized by their generally dull, earth-toned coloration. The species is documented from North America. As a member of the subfamily Plinthisinae, it is part of a lineage of small, ground-dwelling lygaeoid bugs whose biology remains poorly documented in the scientific literature.
Prytanes
Prytanes is a genus of seed bugs in the family Rhyparochromidae (Hemiptera: Heteroptera), described by Distant in 1893. It belongs to the tribe Myodochini, a diverse group of ground-dwelling lygaeoid bugs. The genus has been subject to recent taxonomic revision, with new distributional records documented for multiple species. Prytanes is presumably closely related to the newly described genus Prytanoides from Argentina.
Prytanes formosus
Prytanes formosus is a species of seed bug in the family Rhyparochromidae, first described by Distant in 1882. It belongs to the subfamily Rhyparochrominae and tribe Myodochini. The species is part of the diverse Lygaeoidea superfamily within the true bugs (Hemiptera). Very little is known about its biology or natural history.
Prytanes fuscicornis
dirt-colored seed bug
Prytanes fuscicornis is a species of seed bug in the family Rhyparochromidae, commonly referred to as a dirt-colored seed bug. The species was described by Stål in 1874 and is distributed across the Americas, with records from the United States, Mexico, and Ecuador. It belongs to the tribe Myodochini within the subfamily Rhyparochrominae. As a member of the Rhyparochromidae, it is part of a family of true bugs associated with seed feeding.
Prytanes oblongus
dirt-colored seed bug
Prytanes oblongus is a species of seed bug in the family Rhyparochromidae, first described by Stål in 1862. It belongs to the dirt-colored seed bug group, characterized by generally dull, earth-toned coloration. The species has a broad distribution spanning the Caribbean, Central America, North America, and South America. As a member of the Lygaeoidea superfamily, it shares traits with other ground-dwelling seed bugs that feed on plant seeds.
Pseudopachybrachius basalis
Pale-spotted Seed Bug
Pseudopachybrachius basalis is a species of dirt-colored seed bug in the family Rhyparochromidae. It is commonly known as the Pale-spotted Seed Bug. The species has been documented across a broad geographic range spanning North America, Central America, and the Caribbean.
Pseudopamera aurivilliana
Long Brown-washed Seed Bug
Pseudopamera aurivilliana is a species of dirt-colored seed bug in the family Rhyparochromidae, described by Distant in 1882. It is commonly known as the Long Brown-washed Seed Bug. The species has been documented across parts of North America and Central America.
Pseudopamera nitidicollis
dirt-colored seed bug
Pseudopamera nitidicollis is a species of seed bug in the family Rhyparochromidae, first described by Stål in 1874. It is characterized by its dull, earth-toned coloration typical of dirt-colored seed bugs. The species has been documented across Central America and North America, with records from the United States and Mexico. As a member of the Myodochini tribe, it belongs to a group of ground-dwelling seed bugs often associated with soil and litter habitats.
Pseudopamera nitidula
dirt-colored seed bug
Pseudopamera nitidula is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Uhler in 1893. It is found in Central America and North America, including the United States and Mexico. The species is part of the Myodochini tribe within the subfamily Rhyparochrominae.
Pseudopamera setosa
dirt-colored seed bug
Pseudopamera setosa is a dirt-colored seed bug in the family Rhyparochromidae, described by Stål in 1874. The species is distributed across North and Central America, with records from the United States, Mexico, Guatemala, and Argentina. Like other members of its family, it belongs to a group of true bugs adapted to seed-feeding habits. The specific epithet 'setosa' refers to the setose (bristly) condition, likely describing a hairy or bristly body surface characteristic of this species.
Pseudopamera sp-one-calif
Pseudopamera sp-one-calif is an undescribed seed bug species in the family Rhyparochromidae, provisionally designated from California specimens. The genus Pseudopamera comprises small to medium-sized ground-dwelling seed bugs with characteristic body proportions. This species represents one of several Californian Pseudopamera lineages awaiting formal taxonomic description. Members of this genus are typically associated with ground layer habitats and seed-feeding ecology.
Ptochiomera
dirt-colored seed bugs
Ptochiomera is a genus of dirt-colored seed bugs in the family Rhyparochromidae, established by Thomas Say in 1831. The genus contains at least two described species: Ptochiomera nodosa (the type species) from North America and Ptochiomera chilensis from South America. These true bugs belong to the tribe Myodochini within the subfamily Rhyparochrominae.
Raglius
dirt-colored seed bugs
Raglius is a genus of dirt-colored seed bugs in the family Rhyparochromidae, established by Stål in 1872. The genus comprises approximately 11 described species, including three extinct species known from Eocene fossils. Species within this genus are distributed across Europe and parts of Asia, with records from Denmark, Norway, and Sweden confirmed. The genus is part of the tribe Rhyparochromini within the subfamily Rhyparochrominae.
Rhyparochromus vulgaris
dirt-colored seed bug, bright-spotted groundbug
Rhyparochromus vulgaris is a species of dirt-colored seed bug in the family Rhyparochromidae. It is widely distributed across Africa, Europe, Northern Asia (excluding China), North America, and Southern Asia. The species was first recorded in North America in 2001 and is sometimes classified under the genus Raglius as Raglius vulgaris. It belongs to the true bugs (Hemiptera) and is part of the seed bug lineage.
Scolopostethus atlanticus
dirt-colored seed bug
Scolopostethus atlanticus is a small true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. It occurs in North America across the United States and Canada. As a member of the family Rhyparochromidae, it belongs to a group of ground-dwelling seed bugs that feed primarily on seeds.
Scolopostethus diffidens
dirt-colored seed bug
Scolopostethus diffidens is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. It was described by Horváth in 1893 and occurs across North America. The species belongs to a genus of small, ground-dwelling seed bugs that are often associated with soil and decaying organic matter.
Scolopostethus tropicus
dirt-colored seed bug
Scolopostethus tropicus is a species of dirt-colored seed bug in the family Rhyparochromidae, described by Distant in 1882. It belongs to a genus of small, ground-dwelling true bugs commonly found in leaf litter and soil habitats. The species has been documented in Central America and North America, including records from the United States and Guatemala. Like other members of Rhyparochromidae, it is presumed to feed on seeds, though specific dietary studies for this species are lacking.
Sisamnes claviger
Sisamnes claviger is a species of seed bug in the family Rhyparochromidae, first described by Uhler in 1895. It belongs to the tribe Myodochini within the subfamily Rhyparochrominae. The species is native to North America, with documented occurrences in the United States. Like other members of Rhyparochromidae, it is a true bug with hemelytra and characteristic seed-feeding habits typical of the family.
Slaterobius chisos
Slaterobius chisos is a species of seed bug in the family Rhyparochromidae, described by Slater & Sweet in 1993. It is known from the Chisos Mountains region of western Texas, a rugged desert mountain range within Big Bend National Park. The species belongs to a genus of ground-dwelling seed bugs associated with arid and semi-arid habitats. Like other members of Rhyparochromidae, it is presumed to feed on seeds, though specific ecological details remain poorly documented. The species is rarely collected and appears to have a restricted geographic range.
Slaterobius insignis
dirt-colored seed bug
Slaterobius insignis is a species of dirt-colored seed bug in the family Rhyparochromidae. First described by Uhler in 1872 as Heraeus insignis, it is native to North America with recorded occurrences in the United States and Canada. Like other members of its family, it belongs to the true bug infraorder Pentatomomorpha and is classified within the tribe Myodochini.
Sphragisticus nebulosus
dirt-colored seed bug
Sphragisticus nebulosus is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. It has a broad distribution spanning North America, Europe, and Asia. The species was first described by Fallén in 1807 under the name Lygaeus nebulosus. Like other members of its family, it is associated with seeds and ground-level vegetation.
Stygnocoris sabulosus
hairy groundbug
Stygnocoris sabulosus is a small dirt-colored seed bug in the family Rhyparochromidae. The species was described by Schilling in 1829 and has been widely recorded across the Holarctic region. A taxonomic revision established S. sabulosus as the senior synonym of S. pygmaeus (R.F. Sahlberg, 1848). It is commonly known as the hairy groundbug.
Tempyra biguttula
Large-spotted Seed Bug
Tempyra biguttula is a minute dirt-colored seed bug in the family Rhyparochromidae. Native to North America, Mexico, and the Caribbean, it has established populations across Oceania including Hawaii and the Galapagos Islands. The species has recently expanded into the Mediterranean region, with confirmed records in Spain, Portugal, France, and Croatia. It is attracted to light and has been documented exhibiting teratological antennae abnormalities.