Seed-bug
Guides
Alydus scutellatus
Alydus scutellatus is a species of broad-headed bug in the family Alydidae, first described by Van Duzee in 1903. This small true bug belongs to a group commonly known for their seed-feeding habits, though members of the family have been documented engaging in extra-phytophagous feeding behaviors including carrion and dung consumption. The species has been recorded from western North American localities including British Columbia, Colorado, Montana, and New Mexico.
Anochrostomus formosus
Anochrostomus formosus is a seed bug species in the family Lygaeidae. It is found across southern North America, Central America, and South America, with records from the United States, Mexico, Costa Rica, Panama, Jamaica, Haiti, Cuba, and Venezuela. The species was described by Blanchard in 1840. As a member of the Lygaeidae, it belongs to a family commonly known as seed bugs, though specific biological details for this species remain poorly documented.
Antillocoris minutus
dirt-colored seed bug
Antillocoris minutus is a species of dirt-colored seed bug in the family Rhyparochromidae. The species is found in North America, with records from the United States and Canada. It belongs to a group of true bugs commonly associated with seed feeding habits, though specific ecological details for this species remain limited.
Antillocoris pilosulus
dirt-colored seed bug
Antillocoris pilosulus is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Stål in 1874. It belongs to the tribe Antillocorini within the subfamily Rhyparochrominae. The species has been documented from multiple localities across North America and the Caribbean, with confirmed records from the United States, Canada, and the Dominican Republic.
Arhyssus validus
Western Boxelder Bug
Arhyssus validus is a true bug in the family Rhopalidae, commonly known as the Western Boxelder Bug. The species occurs in western North America and parts of Middle America. Like other members of its family, it is a seed-feeding insect that uses piercing-sucking mouthparts to extract nutrients from host plants. The species is closely related to the more widely known Boisea trivittata, the Eastern Boxelder Bug, with which it shares ecological similarities.
Ashlockaria magna
Ashlockaria magna is a species of seed bug in the family Rhyparochromidae, described by Brailovsky in 1989. It belongs to the tribe Myodochini within the subfamily Rhyparochrominae. Very little published biological information is available for this species. Records indicate it has been observed in limited numbers, with only three observations documented on iNaturalist.
Atrazonotus
Atrazonotus is a monotypic genus of dirt-colored seed bugs in the family Rhyparochromidae, established by Slater & Ashlock in 1966. The genus contains a single described species, A. umbrosus. These true bugs belong to the tribe Gonianotini within the subfamily Rhyparochrominae.
Balboa ampliata
dirt-colored seed bug
Balboa ampliata is a species of dirt-colored seed bug in the family Rhyparochromidae. It is a relatively large member of this family, with adults reaching conspicuous size. The species has been documented feeding on plant seeds and is attracted to lights at night. It occurs in prairie and foothill habitats in western North America, with records from Colorado and surrounding regions.
Belonochilus numenius
Sycamore Seed Bug, American Sycamore Seed Bug
Belonochilus numenius is a monotypic seed bug in the family Lygaeidae, native to North America and invasive in Europe since 2008. The species completes its entire life cycle on seed balls of Platanus species. It has spread rapidly across Europe through plant trade and wind dispersal, reaching 17 countries including a widespread distribution in North Macedonia by 2019. High population densities can cause nuisance aggregations in urban areas, though it is not considered harmful to host trees.
Botocudo
Botocudo is a genus of dirt-colored seed bugs (Hemiptera: Rhyparochromidae: Antillocorini) established by Kirkaldy in 1904. The genus comprises true bugs in the lygaeoid lineage, with species such as Botocudo modestus known from North America. Members of this genus are ground-dwelling seed feeders, consistent with the ecological profile of their family.
Chilacis typhae
bulrush bug
Chilacis typhae is a small seed-sucking true bug in the family Artheneidae. It is tightly associated with cattails (Typha species), particularly greater reedmace (Typha latifolia) and Typha angustifolia, where it feeds on developing seeds. The species harbors an obligate intracellular bacterial endosymbiont, "Candidatus Rohrkolberia cinguli," housed in a distinctive "mycetocytic belt" in the midgut epithelium. Native to Europe and Northern Asia, it has been introduced to North America.
Cistalia
Cistalia is a genus of seed bugs in the family Rhyparochromidae, established by Stål in 1874. The genus contains eight described species distributed in the Americas. These insects are classified within the tribe Lethaeini and are commonly referred to as dirt-colored seed bugs. Species within this genus have been documented from the mid-19th century to the present, with the most recent species described in 2015.
Cistalia explanata
dirt-colored seed bug
Cistalia explanata is a dirt-colored seed bug in the family Rhyparochromidae. It was described by Barber in 1938. The species is known from North America, with records from the United States. As a member of the Rhyparochromidae, it belongs to a family of true bugs commonly associated with seeds.
Cistalia signoretii
Cistalia signoretii is a species of seed bug in the family Rhyparochromidae, subfamily Rhyparochrominae. It belongs to the tribe Lethaeini, a group of dirt-colored seed bugs. The species has been documented across a broad geographic range spanning the Caribbean, North America, and South America.
Cnemodus hirtipes
dirt-colored seed bug
Cnemodus hirtipes is a species of dirt-colored seed bug in the family Rhyparochromidae, described by Blatchley in 1924. It belongs to a group of true bugs characterized by their generally dull coloration and seed-feeding habits. The species is known from North America, with records from the United States.
Cordillonotus stellatus
Cordillonotus stellatus is a species of true bug in the family Rhyparochromidae (seed bugs), described by Scudder in 1984. It belongs to the subfamily Rhyparochrominae within the superfamily Lygaeoidea. The species is known from North America, though detailed information about its biology and ecology remains limited.
Crophius
Crophius is a genus of true bugs in the family Oxycarenidae, containing approximately 16 described species. The genus is poorly known biologically, with most ecological information derived from studies of Crophius scabrosus. Adults have been documented in association with diverse plants including conifers, grasses, and composites, though nymphal hosts remain unidentified.
Cryphula
dirt-colored seed bugs
Cryphula is a genus of dirt-colored seed bugs (family Rhyparochromidae) comprising approximately 14 described species distributed in the Americas. The genus was established by Stål in 1874. Species in this genus have been documented in association with decomposing plant material, particularly dead Heliconia inflorescences and leaves.
Cryphula nitens
dirt-colored seed bug
Cryphula nitens is a dirt-colored seed bug in the family Rhyparochromidae, first described by Barber in 1955. The species is found in North America, with records from the United States. Like other members of its family, it belongs to the true bugs (Hemiptera) and is characterized by the typical seed bug morphology. The specific epithet "nitens" suggests a shining or glossy appearance.
Cryphula trimaculata
dirt-colored seed bug
Cryphula trimaculata is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. The species was described by Distant in 1882 and occurs in Central America and North America. Records indicate presence in the United States and Guatemala.
Cymus angustatus
Cymus angustatus is a species of true bug in the family Cymidae, described by Carl Stål in 1874. It belongs to the lygaeoid group of heteropteran insects within the Pentatomomorpha. The species has been documented in parts of North America and Central America, with records from the United States and the broader Eastern Nearctic region. As a member of Cymidae, it shares the family characteristic of relatively small size and oval body form typical of this seed bug lineage.
Cymus calif-sp-one
Cymus calif-sp-one is a species of true bug in the family Cymidae. Cymidae are small, seed-feeding bugs commonly found in moist habitats near water. Members of the genus Cymus are typically associated with wetland environments and feed on seeds of grasses and sedges. This species appears to be an undescribed or provisionally named taxon from California.
Cymus californicus
Cymus cf. californicus is a species of true bug in the family Cymidae, a group commonly known as seed bugs. The 'cf.' designation indicates a tentative identification based on morphological similarity to the described species C. californicus, pending definitive confirmation. Members of this genus are typically associated with wetland and riparian habitats. This species appears to be restricted to western North America.
Cymus nigrofemoralis
Cymus nigrofemoralis is a species of seed bug in the family Cymidae, described by Hamid in 1975. It is one of approximately 30 species in the genus Cymus, which are small, delicate true bugs associated with moist habitats. The species is known from the United States, though detailed biological information remains limited. Cymids are generally found in damp environments where they feed on seeds and plant material.
Delochilocoris caliginosus
dirt-colored seed bug
Delochilocoris caliginosus is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. The species was described by Distant in 1882. It belongs to a family characterized by ground-dwelling habits and seed-feeding ecology. Available records for this species are sparse, with only three observations documented on iNaturalist as of the knowledge cutoff.
Delochilocoris illuminatus
Delochilocoris illuminatus is a seed bug species in the family Rhyparochromidae, first described by Distant in 1893. The species occurs in North and Middle America, with documented records from the United States, Mexico, and Guatemala. As a member of the Gonianotini tribe, it belongs to a group of small, ground-dwelling seed bugs. Published literature on this species is limited, with most information derived from taxonomic catalogs and specimen records rather than detailed biological studies.
Dieuches armatipes
Dieuches armatipes is a seed bug in the family Rhyparochromidae. Native to Africa, it has established populations in the Western Hemisphere including the Caribbean and Florida. The species was first documented in the Western Hemisphere from Grand Cayman and St. Kitts in 1993, with subsequent records from intercepted specimens in the Dominican Republic and Jamaica. It has since been confirmed on the Florida mainland and in Belgium.
Drymus brunneus
brown groundbug
Drymus brunneus is a dirt-colored seed bug in the family Rhyparochromidae. It inhabits damp, shaded forest environments across the Palearctic region, where it lives concealed in soil litter and feeds on seeds of herbaceous plants and trees. The species shows flexible life cycle timing, with overwintering occurring as either adults or eggs depending on geographic location.
Drymus crassus
dirt-colored seed bug
Drymus crassus is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. The species was described by Van Duzee in 1910. It is native to North America. As a member of Rhyparochromidae, it likely feeds on seeds, though specific ecological details remain poorly documented.
Drymus unus
dirt-colored seed bug
Drymus unus is a species of true bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. It occurs across North America, with records from the United States and Canada. The species belongs to a family of ground-dwelling bugs primarily associated with seeds as food sources.
Emblethis vicarius
sand bug
Emblethis vicarius, commonly known as the sand bug, is a dirt-colored seed bug in the family Rhyparochromidae. It has been recorded across a broad geographic range spanning North, Central, and South America, with documented occurrences in the United States, Canada, Mexico, Guatemala, and the Tortugas Islands. The species is relatively well-documented, with nearly 600 observations on iNaturalist.
Ereminellus arizonensis
Ereminellus arizonensis is a species of true bug in the family Rhyparochromidae, first described by Barber in 1932. It belongs to the tribe Myodochini within the subfamily Rhyparochrominae. The species is known from the southwestern United States and Middle America. As a member of the seed bug family Rhyparochromidae, it likely feeds on seeds, though specific dietary habits remain undocumented.
Eremocoris abietis
Eremocoris abietis is a true bug in the family Rhyparochromidae, originally described by Linnaeus in 1758 as Cimex abietis. The species has a broad distribution across Europe, extending into North Africa and parts of Asia. It is associated with coniferous forests, particularly those containing fir (Abies).
Eremocoris depressus
Eremocoris depressus is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Barber in 1928. It belongs to the tribe Drymini within the subfamily Rhyparochrominae. The species is distributed in North America, with records from the United States. Like other members of Rhyparochromidae, it is likely associated with seed feeding, though specific ecological details remain poorly documented.
Eremocoris ferus
Eremocoris ferus is a species of seed bug in the family Rhyparochromidae, commonly known as dirt-colored seed bugs. The species was first described by Thomas Say in 1832 under the basionym Pamera ferus. It occurs across North America with documented records from both the United States and Canada.
Eremocoris opacus
Eremocoris opacus is a species of seed bug in the family Rhyparochromidae, described by Van Duzee in 1921. It belongs to the tribe Drymini within the subfamily Rhyparochrominae. The species has been documented in the United States, though detailed biological information remains limited.
Eremocoris semicinctus
Eremocoris semicinctus is a dirt-colored seed bug in the family Rhyparochromidae, described by Van Duzee in 1921. It belongs to a family of true bugs commonly associated with seeds and ground-dwelling habitats. The species is documented from the United States and occurs broadly in North America.
Eremocoris suspect-undescribed-occ
An undescribed species within the genus Eremocoris, a group of dirt-colored seed bugs (Rhyparochromidae). Members of this genus are generally ground-dwelling and associated with dry, sandy habitats. This particular taxon represents a suspected new species based on occurrence records that differ morphologically or geographically from described species.
Froeschneria piligera
dirt-colored seed bug
Froeschneria piligera is a dirt-colored seed bug in the family Rhyparochromidae, first described by Stål in 1862. The species belongs to the tribe Myodochini within the subfamily Rhyparochrominae. It has been documented across a broad geographic range spanning North, Central, and South America, as well as the Caribbean. The genus Froeschneria was established to honor the heteropterist Richard C. Froeschner.
Gastrodes pacificus
dirt-colored seed bug
Gastrodes pacificus is a species of true bug in the family Rhyparochromidae, commonly referred to as a dirt-colored seed bug. The species was first described by Provancher in 1885 under the basionym Platygaster pacificus. It is distributed across North America, with records from the United States and Canada. As a member of the Rhyparochromidae, it belongs to a family of ground-dwelling seed bugs that feed primarily on seeds.
Hadrosomus teapensis
Hadrosomus teapensis is a seed bug in the family Lygaeidae, first described by Distant in 1893. The species is known from both Mexico and the United States, with records extending from the type locality at Teapa, Tabasco, Mexico to southern Florida. As a member of the Lygaeinae subfamily, it belongs to a group of true bugs adapted for seed feeding. The species remains poorly documented in the primary literature, with most records derived from specimen databases and limited field observations.
Heraeus
Heraeus is a genus of dirt-colored seed bugs in the family Rhyparochromidae. The genus was established by Carl Stål in 1862 and contains at least 40 described species. Members of this genus are true bugs (Hemiptera) in the suborder Heteroptera, characterized by their dull coloration typical of the 'dirt-colored seed bug' common name for the family.
Heraeus coquilletti
dirt-colored seed bug
Heraeus coquilletti is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Barber in 1914. It belongs to the genus Heraeus within the tribe Myodochini. The species is known from North America, with records from the United States. Like other members of Rhyparochromidae, it is likely associated with seed-feeding habits, though specific ecological details for this species remain poorly documented.
Heraeus plebejus
dirt-colored seed bug
Heraeus plebejus is a species of dirt-colored seed bug in the family Rhyparochromidae, first described by Carl Stål in 1874. It is distributed across North America, Central America, and the Caribbean. As a member of the Rhyparochromidae, it belongs to a family of true bugs commonly associated with seeds and ground-level habitats. The species has been documented in the United States, Canada, Mexico, the Bahamas, Haiti, and various Caribbean islands.
Holcocranum
Holcocranum is a genus of true bugs in the family Artheneidae, established by Fieber in 1860. The genus contains at least two described species: Holcocranum diminutum and Holcocranum saturejae. These small lygaeoid bugs are part of the diverse seed bug assemblage within the Pentatomomorpha infraorder. The genus has been documented through 155 observations on iNaturalist, indicating moderate but growing recognition among naturalists.
Kleidocerys
seed bugs, birch catkin bugs
Kleidocerys is a genus of seed bugs in the family Lygaeidae, comprising approximately 16-17 described species. These small true bugs are primarily associated with woody plants, particularly birch and cypress species, where they specialize on seeds. The genus is notable for its narrow host associations with specific tree taxa.
Kleidocerys franciscanus
Kleidocerys franciscanus is a species of true bug in the family Lygaeidae, subfamily Ischnorhynchinae. Originally described as Cymus franciscanus by Stål in 1859, it was later transferred to the genus Kleidocerys. The species is known from the United States, with records from the western region. As a member of the seed bug family Lygaeidae, it likely feeds on seeds, though specific host plants have not been documented.
Kleidocerys ovalis
Kleidocerys ovalis is a species of seed bug in the family Lygaeidae, described by Barber in 1953. It belongs to a genus of small, often overlooked true bugs associated with various plants. The species is known from North America, though specific details about its biology and ecology remain limited in available literature.
Kleidocerys resedae
birch catkin bug
Kleidocerys resedae, commonly known as the birch catkin bug, is a small seed bug in the family Lygaeidae. It has a Holarctic distribution spanning Europe, Northern Asia, and North America. The species is associated with birch and ericaceous shrubs, where it feeds on developing seeds and reproductive structures. Populations in Maine, USA, exhibit a bivoltine life cycle with adults overwintering in leaf litter.
Kleidocerys virescens
Kleidocerys virescens is a seed bug species in the family Lygaeidae, first described by Fabricius in 1794. It belongs to a genus of small, often greenish-tinged bugs associated with seed feeding. The species has a broad distribution across the Caribbean, Central America, and southern North America.