Warty-leaf-beetle
Guides
Chlamisus foveolatus
warty leaf beetle
Chlamisus foveolatus is a species of warty leaf beetle in the family Chrysomelidae. It occurs in Central America and North America. The species was described by Knoch in 1801. Beyond its taxonomic placement and geographic distribution, detailed biological information about this species is sparse in the available literature.
Chlamisus texanus
warty leaf beetle
Chlamisus texanus is a species of warty leaf beetle in the family Chrysomelidae. It belongs to the tribe Chlamisini, a group known for their distinctive sculptured, warty appearance. The species is distributed across Central America and North America. Like other members of its genus, it is likely associated with woody vegetation, though specific host plant relationships remain poorly documented.
Diplacaspis
Diplacaspis is a genus of warty leaf beetles in the family Chrysomelidae, established by Jacobson in 1924. The genus contains at least three described species: Diplacaspis chlamysoides, Diplacaspis pectoralis, and Diplacaspis prosternalis. These beetles belong to the subfamily Cryptocephalinae, commonly known as warty leaf beetles or case-bearing leaf beetles. The genus is poorly documented in scientific literature, with limited information available on its biology and ecology.
Exema conspersa
warty leaf beetle
Exema conspersa is a species of warty leaf beetle in the family Chrysomelidae. The genus Exema belongs to the subfamily Cryptocephalinae, commonly known as warty leaf beetles or case-bearing leaf beetles, recognized for their distinctive sculptured body surfaces. The species is distributed across Central America and North America.
Exema dispar
warty leaf beetle
Exema dispar is a species of warty leaf beetle in the tribe Chlamisini, known for remarkable mimicry of caterpillar frass. Adults are small (2–3 mm), compact beetles with a rough, warty exoskeleton that closely resembles the size, shape, texture, and coloration of lepidopteran larval droppings. When disturbed, the beetle retracts its head and folds legs and antennae into precisely matched grooves, eliminating any visible beetle-like features. This species has been observed on Asteraceae plants including gray-headed coneflower (Ratibida pinnata) and sweet coneflower (Rudbeckia subtomentosa).
Exema elliptica
warty leaf beetle
Exema elliptica is a species of warty leaf beetle in the family Chrysomelidae, described by Karren in 1966. It belongs to the tribe Chlamisini, commonly known as warty leaf beetles, which are characterized by their remarkable feces-mimicry defense. The species is found in North America, though specific details about its biology and host associations remain poorly documented.
Exema mormona
warty leaf beetle
Exema mormona is a species of warty leaf beetle in the family Chrysomelidae, described by Karren in 1966. It belongs to the tribe Chlamisini, whose members are known for their remarkable mimicry of caterpillar frass. The species occurs in North America, though specific details about its biology and ecology remain poorly documented in published literature.
Exema neglecta
warty leaf beetle
Exema neglecta is a species of warty leaf beetle in the tribe Chlamisini, subfamily Cryptocephalinae. Adults are small, measuring approximately 2–3 mm in length. The species exhibits remarkable frass-mimicry, resembling caterpillar droppings in size, shape, texture, and coloration. When disturbed, the beetle retracts its head, legs, and antennae into precisely matched grooves, completing the illusion of inanimate debris. This species is found in North America.
Neochlamisus bebbianae
warty leaf beetle
Neochlamisus bebbianae is a small case-bearing leaf beetle in the tribe Chlamisini, commonly known as warty leaf beetles. This species has been extensively studied as a model system for ecological speciation, with populations forming distinct host forms specialized on different plant species across six genera in five families. Research has demonstrated host-associated ecological divergence, reproductive isolation, and ongoing speciation processes. The species is part of a complex where different host forms show pre- and post-mating reproductive barriers.
Neochlamisus chamaedaphnes
Neochlamisus chamaedaphnes is a case-bearing leaf beetle in the tribe Chlamisini, commonly known as warty leaf beetles. Members of this genus are renowned for their remarkable frass-mimicry crypsis—when disturbed, they retract their head, legs, and antennae into precisely matched grooves, becoming nearly indistinguishable from caterpillar droppings. The species epithet references its association with leatherleaf (Chamaedaphne calyculata), a bog plant in the Ericaceae family. This species occurs in eastern Canada and presumably adjacent northeastern United States.
Neochlamisus comptoniae
warty leaf beetle
Neochlamisus comptoniae is a small warty leaf beetle in the family Chrysomelidae, subfamily Cryptocephalinae. Like other members of the tribe Chlamisini, adults exhibit remarkable fecal mimicry—resembling caterpillar frass in size, shape, texture, and coloration. When disturbed, they retract their head and fold legs and antennae into precise grooves, eliminating any indication of being an insect. The species is associated with sweetfern (Comptonia peregrina), a plant in the family Myricaceae.
Neochlamisus eubati
Blackberry Case-bearing Leaf Beetle, warty leaf beetle
Neochlamisus eubati is a species of case-bearing leaf beetle in the tribe Chlamisini, commonly known as warty leaf beetles. Adults are small beetles, typically 3–4 mm in length, with a compact body form adapted for crypsis. The species is known from Central America and North America, with records extending into Alberta, Canada. Like other members of the genus, larvae construct protective cases from fecal material and exuviae.
Neochlamisus scabripennis
warty leaf beetle
Neochlamisus scabripennis is a species of warty leaf beetle in the family Chrysomelidae. It belongs to the tribe Chlamisini, commonly known as warty leaf beetles due to their distinctive irregular, tuberculate body surface. The species is distributed across Central America and North America. Like other members of the genus, it exhibits remarkable mimicry of caterpillar frass (feces) as a defensive adaptation.