Flea-beetle
Guides
Phydanis bicolor
Texas Snakeherb Flea Beetle
Phydanis bicolor is a rarely collected flea beetle in the tribe Alticini, subfamily Galerucinae. It is known from Texas and is among the least frequently encountered species of its genus. The species has been documented from very few collections, with recent work providing the first adult host record.
Phyllotreta bipustulata
woodland flea beetle
Phyllotreta bipustulata, commonly known as the woodland flea beetle, is a species of flea beetle in the family Chrysomelidae. It is native to North America and has been recorded in Canadian provinces including Manitoba, Ontario, and Québec. As a member of the flea beetle group, it possesses enlarged hind femora adapted for jumping. The species is part of a genus containing several economically significant agricultural pests, though specific details about this particular species' ecology remain limited.
Phyllotreta chalybeipennis
Phyllotreta chalybeipennis is a flea beetle in the family Chrysomelidae. The species is distributed in the Caribbean and North America. Both larvae and adults are associated with the host plant Cakile edentula (American sea rocket), with larvae mining leaves and adults feeding on foliage. Like other members of the genus Phyllotreta, it possesses enlarged hind femora adapted for jumping.
Phyllotreta conjuncta
Phyllotreta conjuncta is a flea beetle species in the family Chrysomelidae, first described by Gentner in 1924. The species is distributed across North America, with confirmed records from the Canadian provinces of Alberta, Manitoba, and Ontario. As a member of the genus Phyllotreta, it belongs to a group commonly known as flea beetles, characterized by their jumping ability. Very little specific information is available about this particular species beyond its basic taxonomy and distribution.
Phyllotreta constricta
A flea beetle species in the family Chrysomelidae, native to western North America. As with other Phyllotreta species, it possesses enlarged hind femora adapted for jumping. The species was described by E.H. Smith in 1985 and is documented from the Canadian prairie provinces.
Phyllotreta cruciferae
crucifer flea beetle, canola flea beetle, rape flea beetle
Phyllotreta cruciferae is a flea beetle and significant agricultural pest of cruciferous crops, particularly canola, rapeseed, and other Brassica species. Adults are small, black, and shiny with enlarged hind femora adapted for jumping. The species overwinters as adults in leaf litter and topsoil, emerging in early spring to feed on host plants. Population dynamics vary by region and year, with one to two generations annually depending on thermal accumulation.
Phyllotreta denticornis
Phyllotreta denticornis is a species of flea beetle in the family Chrysomelidae, first described by George Henry Horn in 1889. It belongs to the tribe Alticini, a group characterized by enlarged hind femora adapted for jumping. The species is documented from North America, with specific records from British Columbia, Canada. Like other members of the genus Phyllotreta, it is associated with cruciferous plants, though species-specific ecological details remain limited.
Phyllotreta liebecki
Phyllotreta liebecki is a small flea beetle in the family Chrysomelidae, first described by Schaeffer in 1919. It is found in North America, with records from Manitoba and Ontario in Canada. The species measures 1.75–2.5 mm in length. As a member of the Alticini tribe, it possesses the enlarged hind femora characteristic of flea beetles that enable jumping locomotion.
Phyllotreta pusilla
Western Black Flea Beetle
Phyllotreta pusilla, commonly known as the western black flea beetle, is a flea beetle species in the family Chrysomelidae. It is distributed across Central America and North America, with documented presence in regions including Alberta, Canada and Colorado, USA. The species is recognized as an agricultural pest of canola and mustard crops, where it causes plant injury through feeding damage. Research has identified significant variation in host plant susceptibility among different canola and mustard varieties.
Phyllotreta ramosa
Western Striped Flea Beetle
Phyllotreta ramosa, known as the western striped flea beetle, is a species of flea beetle in the family Chrysomelidae. It is native to North America. As a member of the flea beetle tribe Alticini, it possesses enlarged hind femora adapted for jumping. The species is poorly documented in scientific literature, with minimal published information on its biology and ecology.
Phyllotreta robusta
garden flea beetle
Phyllotreta robusta, commonly known as the garden flea beetle, is a flea beetle species in the family Chrysomelidae. It is native to North America, with confirmed records from Canadian provinces including Alberta, British Columbia, and Manitoba. As a member of the genus Phyllotreta, it shares the characteristic jumping ability of flea beetles. The species has been documented through limited observations, with 7 records on iNaturalist.
Phyllotreta striolata
Striped Flea Beetle, Turnip Flea Beetle
Phyllotreta striolata is a small flea beetle (1.5–2.5 mm) in the family Chrysomelidae, native to Eurasia and now distributed worldwide. It is a major pest of Brassicaceae crops, causing substantial yield losses through adult feeding on aboveground plant parts and larval feeding on roots. The species exhibits strong positive phototaxis with peak sensitivity to blue wavelengths (350–430 nm). It has been recorded from diverse habitats including open prairie, boreal forest, and agricultural systems across North America, Europe, and Asia.
Phyllotreta undulata
small striped flea beetle, turnip flea beetle, Small Striped Flea-beetle
Phyllotreta undulata is a flea beetle species in the family Chrysomelidae, commonly known as the small striped flea beetle or turnip flea beetle. It is a widespread agricultural pest with a broad geographic distribution spanning multiple continents. The species is associated with damage to brassicaceous crops, particularly turnips and related plants.
Phyllotreta zimmermanni
Zimmerman's flea beetle
Phyllotreta zimmermanni, commonly known as Zimmerman's flea beetle, is a species of flea beetle in the family Chrysomelidae. It has a holarctic distribution and is present in North America, where it is considered invasive. The species belongs to a genus known for including significant agricultural pests that damage cruciferous crops.
Pseudohadrotoma graeseri
Pseudohadrotoma graeseri is a flea beetle species in the tribe Alticini, characterized by enlarged hind femora adapted for jumping. The genus Pseudohadrotoma contains few described species and is poorly documented in scientific literature. This species appears to be rarely collected and has limited published records.
Pseudolampsis
Pseudolampsis is a genus of flea beetles (Coleoptera: Chrysomelidae: Alticini) established by G.H. Horn in 1889. The genus has been subject to taxonomic revision regarding distribution patterns and synonymy. The most studied species, Pseudolampsis guttata, has been evaluated as a biological control agent for invasive aquatic ferns.
Pseudolampsis guttata
Waterfern Flea Beetle
A flea beetle in the family Chrysomelidae, evaluated as a potential biological control agent for the invasive aquatic fern Azolla filiculoides (red water fern) in South Africa. Laboratory host range testing has been conducted to assess its feeding specificity and suitability for introduction as a natural enemy.
Psylliodes
flea beetles
Psylliodes is a large cosmopolitan genus of flea beetles comprising approximately 200 described species worldwide. Members are characterized by enlarged hind femora adapted for jumping, a trait shared with other Alticini. Approximately half of all species are specialized feeders on Brassicaceae, with the remainder associated with roughly 24 other plant families. Several species are economically significant agricultural pests, including the cabbage stem flea beetle (P. chrysocephala) and potato flea beetle (P. affinis). The genus includes rare endemic species such as the Lundy Cabbage Flea Beetle (P. luridipennis), a globally Critically Endangered species restricted to a single island off the coast of England.
Psylliodes affinis
Potato Flea Beetle
Psylliodes affinis, commonly known as the potato flea beetle, is a flea beetle species in the family Chrysomelidae. It is distributed across Europe, Northern Asia (excluding China), and North America. As a member of the genus Psylliodes, it shares the characteristic jumping ability that gives flea beetles their common name.
Psylliodes chalcomera
flea beetle
Psylliodes chalcomera is a flea beetle in the family Chrysomelidae, native to Europe and investigated as a biological control agent for invasive musk thistle (Carduus nutans). Field trials in Italy demonstrated high host specificity, with no feeding or oviposition on Cirsium species or economic crops under free-choice conditions. The species has been evaluated for introduction to North America to manage musk thistle infestations.
Psylliodes convexior
hop flea beetle
Psylliodes convexior, commonly known as the hop flea beetle, is a species of flea beetle in the family Chrysomelidae. It is native to North America and Central America. The species belongs to a genus known for flea-like jumping behavior and association with host plants. Specific ecological details for this species remain limited in published sources.
Psylliodes credens
Psylliodes credens is a species of flea beetle in the family Chrysomelidae, first described by Fall in 1933. It is known from North America and belongs to a genus characterized by enlarged hind femora that enable jumping locomotion. Like other members of the genus, it likely exhibits the flea-like jumping behavior that gives the group its common name. The species has received limited study and detailed ecological information remains sparse.
Psylliodes napi
turnip flea beetle, cabbage-stem flea beetle
Psylliodes napi is a flea beetle in the family Chrysomelidae, widely distributed across Europe, Northern Asia (excluding China), and North America. The species is associated with brassicaceous host plants and is recognized as an agricultural pest of turnip and related crops. Two subspecies are recognized: P. n. napi and P. n. flavicornis.
Psylliodes punctulata
Psylliodes punctulata is a species of flea beetle in the tribe Alticini, characterized by the enlarged hind femora that enable the jumping behavior typical of this group. The genus Psylliodes contains numerous species associated with brassicaceous host plants, though specific ecological details for P. punctulata remain poorly documented in available literature. Like other members of the genus, it likely exhibits the larval stem-mining habit and adult folivory that define Psylliodes ecology. The species name 'punctulata' refers to the punctate or dotted surface sculpturing typical of many chrysomelid beetles.
Punctaltica
Punctaltica is a newly described genus of flightless flea beetles discovered in urban parks of Shenzhen, China. The genus currently contains two species: P. shenzhenensis and P. montana. These beetles are highly specialized to moist moss microhabitats in heavily urbanized environments, representing an unexpected discovery of genus-level diversity in a megacity setting.
Scelolyperus lecontii
Scelolyperus lecontii is a species of skeletonizing leaf beetle in the family Chrysomelidae. It belongs to a genus of flea beetles, characterized by their enlarged hind femora that enable jumping. The species is native to North America, with confirmed records from western Canada and the United States.
Sphaeroderma
Sphaeroderma is a genus of flea beetles (Chrysomelidae: Galerucinae: Alticini) comprising approximately 250 species distributed across the Old World. Members of this genus are small leaf beetles characterized by enlarged hind femora adapted for jumping. The genus has been subject to taxonomic revision, with new species continuing to be described from montane regions.
Sphaeroderma testaceum
artichoke beetle
Sphaeroderma testaceum, commonly known as the artichoke beetle, is a flea beetle in the family Chrysomelidae. It is native to Europe, North Africa, and Israel, and has been introduced to Atlantic Canada. Adults are active from late spring through early autumn and feed on leaves of thistles and related plants. The species is notable as a pest of artichokes and other cultivated thistles.
Strabala rufa
Strabala rufa is a flea beetle in the family Chrysomelidae. It occurs in North America, with confirmed records from Vermont and broader distribution across the continent. The species was described by Illiger in 1807 and includes two recognized subspecies: the nominate form S. r. rufa and S. r. floridana described by Blake in 1953.
Synetocephalus diegensis
A small leaf beetle in the family Chrysomelidae, described from California. The species epithet refers to San Diego, indicating its type locality. Very few observations exist in biodiversity databases, suggesting it is either rare, undercollected, or restricted to specific habitats. It belongs to a genus of flea beetles characterized by enlarged hind femora adapted for jumping.
Synetocephalus vandykei
Synetocephalus vandykei is a species of skeletonizing leaf beetle in the family Chrysomelidae, described by Blake in 1942. The species is known from North America. As a member of the tribe Alticini (flea beetles), it likely possesses enlarged hind femora adapted for jumping, a characteristic of this group.
Syphrea flavicollis
Syphrea flavicollis is a species of flea beetle in the family Chrysomelidae. It is known from Central America and North America. The specific epithet 'flavicollis' refers to a yellow-colored collar or neck region. As a member of the flea beetle group, it likely possesses enlarged hind femora adapted for jumping, though detailed morphological descriptions are limited in available sources.
Systena bitaeniata
Systena bitaeniata is a species of flea beetle in the family Chrysomelidae, native to North America. The genus Systena includes small leaf beetles commonly associated with various host plants. This species is part of a diverse group of chrysomelid beetles that feed on plant foliage.
Systena blanda
palestriped flea beetle, Brown-necked Systena
Systena blanda is a small flea beetle in the family Chrysomelidae, commonly known as the palestriped flea beetle. Adults measure 3–4 mm and are agricultural pests of young sunflowers and other crops. The species has a broad geographic range spanning Central America, North America, and Oceania. Adults overwinter and emerge in late spring, feeding on leaf tissue and creating distinctive lace-like feeding damage.
Systena collaris
Systena collaris is a species of flea beetle in the family Chrysomelidae, first described by Crotch in 1873. The genus Systena contains multiple species of small leaf beetles, several of which are associated with sunflower and other Asteraceae hosts. The specific epithet 'collaris' refers to a collar-like marking or structure. As a member of the flea beetle group, this species likely possesses the enlarged hind femora characteristic of the tribe Alticini, enabling jumping behavior.
Systena corni
Dogwood Systena
Systena corni, commonly known as the dogwood systena, is a flea beetle in the family Chrysomelidae. The species is found in North America. As a member of the genus Systena, it belongs to a group of small leaf beetles often associated with host plants. Specific ecological details about this species remain limited in published literature.
Systena elongata
elongate flea beetle, Dark-necked Systena
Systena elongata is a species of flea beetle in the family Chrysomelidae. It is found in North America, with confirmed records from Manitoba, Canada. The species is also known by the common name "Dark-necked Systena." As a member of the flea beetle tribe Alticini, it possesses the enlarged hind femora characteristic of this group, enabling jumping locomotion.
Systena frontalis
red-headed flea beetle, Red-headed Systena
Systena frontalis, commonly known as the red-headed flea beetle, is a flea beetle species in the family Chrysomelidae native to North America. It has become a significant economic pest of ornamental plant nurseries across the central and eastern United States, particularly affecting container-grown plants. Adults feed on foliage, creating shotholes and skeletonization that reduce plant salability. The species has expanded its pest status to cranberry production systems and shows a broad host range encompassing numerous woody ornamental species. Its biology includes holometabolous development with four larval instars, and it overwinters as eggs in growing medium or soil.
Systena gracilenta
Systena gracilenta is a species of flea beetle in the family Chrysomelidae, first described by Blake in 1933. It belongs to a genus whose members are generally small, active leaf beetles capable of jumping when disturbed. The species is distributed across Central America and North America. Specific details about its biology and ecology remain poorly documented in the available literature.
Systena hudsonias
black-headed flea beetle, Black-headed Systena
Systena hudsonias is a flea beetle (Chrysomelidae: Alticini) native to North America. Adults are herbivorous and have been documented feeding on at least nine plant families, including Asteraceae species such as sunflowers (Helianthus annuus) and giant ragweed (Ambrosia trifida). The species is considered polyphagous, though specific larval host associations remain poorly documented. It is occasionally noted in agricultural contexts where sunflowers are cultivated.
Systena laevis
Systena laevis is a species of flea beetle (family Chrysomelidae) native to North America. Flea beetles in the genus Systena are small leaf beetles characterized by their enlarged hind femora that enable jumping behavior. The species was described by Blake in 1935. Specific ecological details for S. laevis remain poorly documented in the scientific literature.
Systena marginalis
margined systena
Systena marginalis is a flea beetle (Chrysomelidae: Alticini) native to North America. Like other members of the genus Systena, it possesses enlarged hind femora adapted for jumping. The species is broadly distributed across the continent, with records from Canada (Ontario, Québec) and the United States. Specific ecological details remain poorly documented in published literature.
Systena pallicornis
Systena pallicornis is a species of flea beetle in the family Chrysomelidae. It is native to North America. As a member of the genus Systena, it belongs to a group of small leaf beetles commonly known as flea beetles due to their enlarged hind femora that enable jumping. The species was described by Schaeffer in 1906.
Systena sexnotata
six-spotted flea beetle
Systena sexnotata is a flea beetle in the family Chrysomelidae. Adults feed on walnut foliage (Juglandaceae), while larvae feed on roots. The species is restricted to Central and Western Texas. Body length ranges from 4.8 to 5.5 millimeters.
Triarius lividus
skeletonizing leaf beetle, flea beetle
Triarius lividus is a species of skeletonizing leaf beetle in the family Chrysomelidae. It occurs in Central America and North America, with documented presence from Arizona to western Texas. The species is characterized by skeletonizing feeding damage on host plants. It is one of relatively few species in the genus Triarius.
Trichaltica
Trichaltica is a genus of flea beetles (Chrysomelidae) containing approximately 30 described species. The genus occurs from North America through the Neotropics. Species in this genus exhibit the enlarged hind femora characteristic of flea beetles, enabling their jumping locomotion.
Tymnes oregonensis
Oregon Leaf Beetle
Tymnes oregonensis is a species of leaf beetle in the family Chrysomelidae, tribe Alticini. It is native to western North America. The species was originally described by Crotch in 1873 and has been historically treated under the genus Phyllotreta as a synonym. Available records indicate presence in the Canadian provinces of Alberta and Manitoba, with broader distribution across North America. Like other members of the Alticini, it possesses enlarged hind femora adapted for jumping.
Xanthonia querci
Xanthonia querci is a species of flea beetle in the family Chrysomelidae, described in 2019. The species epithet "querci" indicates an association with oaks (Quercus). As a member of the tribe Alticini, it possesses the enlarged hind femora characteristic of flea beetles, enabling jumping locomotion. The genus Xanthonia contains multiple North American species, many of which are associated with woody host plants.
Yingabruxia apicalis
Yingabruxia apicalis is a species of flea beetle (Chrysomelidae: Galerucinae: Alticini) in the genus Yingabruxia. The genus Yingabruxia was established relatively recently in leaf beetle systematics. As a member of the Alticini, this species possesses the enlarged hind femora characteristic of flea beetles that enable jumping locomotion. No specific ecological or biological studies have been published on this species.