Alticini

Guides

  • Monoxia angularis

    angular flea beetle

    Monoxia angularis, commonly known as the angular flea beetle, is a species of skeletonizing leaf beetle in the family Chrysomelidae. It is found in North America, with records from Alberta and British Columbia in Canada, and from Washington, Oregon, California, Idaho, Montana, Wyoming, Colorado, Nevada, Utah, North Dakota, and Kentucky in the United States. As a member of the tribe Alticini, it possesses the enlarged hind femora characteristic of flea beetles, enabling jumping locomotion.

  • Neocrepidodera

    Neocrepidodera is a genus of flea beetles (Chrysomelidae: Galerucinae: Alticini) containing approximately 100 described species distributed worldwide. Species occur primarily in the Western Palearctic, with many restricted to medium and high elevation mountain ecosystems. Adults are typically small, often exhibiting metallic or rusty coloration, and possess the enlarged hind femora characteristic of flea beetles that enable jumping. Several species have become established outside their native ranges, including N. ferruginea in North America.

  • Neolochmaea

    Neolochmaea is a genus of skeletonizing leaf beetles in the family Chrysomelidae, established by Laboissière in 1939. The genus contains three described species: N. brevicornis, N. guerini, and N. obliterata. These beetles are restricted to the Neotropical region. The genus belongs to the tribe Alticini, commonly known as flea beetles, though specific behavioral traits of this genus remain poorly documented.

  • Nesaecrepida

    Nesaecrepida is a genus of flea beetles (Chrysomelidae) established by Blake in 1964. The genus contains two described species: Nesaecrepida asphaltina and Nesaecrepida infuscata. These beetles are found in North America, Mexico, and the West Indies. As members of the flea beetle tribe Alticini, they possess enlarged hind femora adapted for jumping.

  • Nesaecrepida infuscata

    Nesaecrepida infuscata is a flea beetle in the family Chrysomelidae, first described by Schaeffer in 1906. The species is documented from Central America and North America. As a member of the flea beetle tribe Alticini, it possesses enlarged hind femora adapted for jumping. Available records are sparse, with limited observational data.

  • Omophoita cyanipennis

    Eight-spotted Flea Beetle

    Omophoita cyanipennis, commonly known as the eight-spotted flea beetle, is a species of flea beetle in the family Chrysomelidae. The species was described by Fabricius in 1798. It is distributed across the Caribbean, Central America, and North America. Two subspecies are recognized: O. c. cyanipennis and O. c. octomaculata.

  • Parchicola

    Parchicola is a genus of flea beetles (Chrysomelidae) containing at least four described species. These small beetles are distributed across North America and the Neotropical region. The genus was established by Bechyné and Springlová de Bechyné in 1975.

  • Phydanis

    Phydanis is a genus of flea beetles (Chrysomelidae: Galerucinae: Alticini) containing two described species. The genus was established by Horn in 1889. Species in this genus are uncommonly encountered and poorly documented in the literature. One species, P. bicolor, has been recorded from Texas with a confirmed adult host association, though specific host plants are not detailed in available sources.

  • 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 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.

  • 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.

  • 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 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 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.

  • 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.

  • 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.

  • 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 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 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.

  • 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.

  • Walterianella

    Walterianella is a genus of flea beetles (Coleoptera: Chrysomelidae: Galerucinae: Alticini) in the subtribe Oedionychina. The genus contains more than 40 described species distributed in the Neotropical region. Recent taxonomic revisions have transferred several species from related genera into Walterianella, establishing new combinations. Larval stages have been described for at least one species, Walterianella bucki.

  • 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.