Tortoise-beetles
Guides
Agroiconota
Agroiconota is a genus of tortoise beetles established by Spaeth in 1913, containing more than 20 described species. Members of this genus belong to the leaf beetle family Chrysomelidae, subfamily Cassidinae, and are characterized by their distinctive domed body shape typical of tortoise beetles. The genus is part of the tribe Cassidini and is distributed in the Neotropical region.
Baliosus
Baliosus is a genus of leaf beetles in the family Chrysomelidae, containing at least 40 described species. Members are classified within the subfamily Cassidinae, which includes both tortoise beetles and hispines. The genus was established by Weise in 1905. Species in this genus are primarily found in North America.
Cassidinae
tortoise and leaf-mining beetles, tortoise beetles, hispine beetles
Cassidinae is a large subfamily of leaf beetles (Chrysomelidae) comprising over 125 genera and approximately 3,000 species worldwide, with greatest diversity in the Neotropics. The subfamily encompasses two historically recognized groups: the 'cassidoids' or tortoise beetles, characterized by expanded pronotal and elytral margins that form a protective shield over the body, and the 'hispoids' or leaf-mining beetles, typically more elongated with parallel-sided bodies. Members exhibit remarkable morphological diversity, with some species displaying metallic coloration and the ability to change color through water movements within the translucent cuticle. The subfamily is notable for complex larval defensive adaptations including fecal shield construction and cycloalexic behavior, as well as the independent evolution of subsociality with paternal care in at least two lineages.
Cassidini
tortoise beetles
Cassidini is a large tribe of tortoise beetles within the leaf beetle subfamily Cassidinae, comprising approximately 40 genera and 600 species worldwide. Members are commonly known as "tortoise beetles" due to their domed, shield-like appearance. A 2017 phylogenetic analysis based on morphological characters found Cassidini to be nonmonophyletic with respect to Aspidimorphini, leading to the formal synonymization of the latter with Cassidini; the same study suggested Ischyrosonychini should also be included. Larvae construct distinctive defensive shields from exuviae and faeces using a telescopic anus, a trait that may represent a synapomorphy for the crown-clade Cassidinae.
Chalepus
tortoise beetles, hispines
Chalepus is a genus of tortoise beetles and hispines in the family Chrysomelidae, established by Thunberg in 1805. The genus contains more than 90 described species distributed primarily in the Americas, from North America through Central America to South America. Members of this genus are associated with the subfamily Cassidinae, which includes beetles known for their often flattened or expanded body forms and association with leaf-feeding habits.
Charidotella
tortoise beetles
Charidotella is a genus of tortoise beetles (Chrysomelidae) containing at least 100 described species. Members of this genus are known for their distinctive domed, tortoise-like body shape and often striking metallic coloration. The genus includes Charidotella bicolor, commonly called the golden tortoise beetle, which exhibits remarkable color-changing abilities. Species in this genus are primarily associated with plants in the family Convolvulaceae.
Coptocycla
Coptocycla is a genus of tortoise beetles in the family Chrysomelidae, subfamily Cassidinae. The genus contains approximately 58 described species. Members of this genus are leaf beetles characterized by their distinctive body form, with the elytra and pronotum expanded to cover the body margins. These beetles are primarily found in the Americas.
Ischyrosonychini
Ischyrosonychini is a tribe of tortoise beetles and hispines within the leaf beetle family Chrysomelidae, established by Chapuis in 1875. The tribe comprises approximately 7 genera and 60-70 described species, including the genera Asteriza, Cistudinella, Enagria, Eurypedus, Eurypepla, Physonota, and Platycycla. Juvenile stages have been described for members of this tribe. Members are distributed in the Americas, with at least one species (Physonota disjuncta) recently documented in the United States.
Mesomphaliini
tortoise beetles
Mesomphaliini is a tribe of tortoise beetles (Cassidinae) erected by Hope in 1840, though some authorities recognize the alternative name Stolaini (Hincks, 1952). The tribe is predominantly Neotropical, with most species occurring in the Americas. Some genera, including Chelymorpha, Stolas, and Cyrtonota, have representatives extending into Europe and Japan. Members exhibit distinctive larval behaviors including construction of exuvio-fecal shields and documented subsocial maternal care in at least some species.
Nomotettix cristatus
crested pygmy grasshopper, crested grouse locust, northern crested grouse locust
Nomotettix cristatus is a small pygmy grasshopper in the family Tetrigidae, commonly known as the crested pygmy grasshopper or crested grouse locust. It is one of approximately 35 Nearctic species of Tetrigidae. The species exhibits three recognized subspecies with distinct geographic distributions across North America. Like other members of its family, it is characterized by an elongated pronotum that extends over the abdomen, a trait distinguishing pygmy grasshoppers from typical grasshoppers in Acrididae.
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stemhumanRelevanceinteraction-with-humanssimilarTaxamust-include-reasonmisconceptionsonly-if-meaningfulextraDetailsimportant-additional-contextSTYLE-RULESclear-direct-sentencesavoid-fluff-filler-languagerepeating-taxonomy-in-proseoverly-technical-jargonconcrete-statementsabstract-descriptionsQUALITY-RULEScompleteness-highmost-fields-well-supportedcompleteness-mediumpartial-but-reliablecompleteness-lowsparse-datahasInferredContenttrue-ONLY-if-generalization-usedotherwise-falseOUTPUT-FORMATstrictly-match-JSON-schemano-extra-fieldsno-commentary-outside-JSONwater-associatedthree-subspeciesN.-c.-cristatusN.-c.-compressusN.-c.-floridanussmall-size399-observationsexact-matchmedium-completenessno-inferred-contentfactual-correctness-prioritizedconservative-approachinformative-contentno-fluffno-vague-generalizationscautious-language-where-neededno-fabricationunique-field-contentfocused-sectionsJSON-schema-complianceno-commentaryParopsis
tortoise beetles
Paropsis is a genus of leaf beetles (Chrysomelidae) comprising over 70 described species. Members are small, brightly colored, and hemispherical in shape, leading to frequent misidentification as ladybirds (Coccinellidae). The genus is native to Australasia and has become established in some regions outside its native range through accidental introduction. Several species are significant defoliators of Eucalyptus and are considered economic pests in forestry plantations.
Pentispa
Pentispa is a genus of tortoise beetles and hispines in the leaf beetle family Chrysomelidae. The genus contains more than 20 described species distributed primarily in the Neotropical region. Members of this genus are classified in the tribe Chalepini, a group characterized by spiny or flattened body forms adapted for living on leaf surfaces.