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Beetles of Zihuatanejo

ORDER COLEOPTERA

Colaspis Leaf Beetles
Colaspis (Genus)

-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Hexapods (Subphylum Hexapoda)

-Insects (Class Insecta)

-Winged and Once-winged Insects (Subclass Pterygota)

-Beetles (Order Coleoptera​​)

-​Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles (Suborder Polyphaga)

-​Cucujiform Beetles (Infraorder Cucujiformia)

-Leaf Beetles and Allies (Superfamily Chrysomeloidea)

-Leaf Beetles Family (Chrysomelidae)

-​Subfamily Chrysomelinae

-Tribe Doryphorini

-Subfamily Eumolpinae

-Tribe Eumolpini

-Genus Colaspis​


Colaspis is a genus of leaf beetles in the family Chrysomelidae, widely distributed in the Americas, including Mexico. They are commonly found on leaves in sunny habitats, including agricultural fields, grasslands, and forest edges. Adults chew on leaves, creating irregular holes or notches. Larvae live in the soil and feed on roots, which can sometimes affect plant health.

Diet

  • Adults: Feed primarily on leaves, buds, flowers, and occasionally fruit of a wide variety of plants. Many species feed on legumes, grasses, and other herbaceous plants.

  • Larvae: Usually feed on roots and other underground plant tissues, although host plants vary among species.

  • Some species can become agricultural pests when adults damage crop foliage or larvae attack roots.

Range

  • The genus Colaspis is primarily New World, with species distributed from Canada and the United States through Mexico, Central America, the Caribbean, and South America.

  • Mexico has a particularly diverse Colaspis fauna, including numerous species in Guerrero and along the Pacific coast.

  • Most species occur in tropical and subtropical regions.

Habitat

  • Found in tropical dry forests, tropical rainforests, woodland edges, grasslands, scrublands, agricultural fields, orchards, gardens, and secondary vegetation.

  • Adults are commonly found on foliage and flowers, while larvae develop in the soil around plant roots.

  • Many species favour sunny, disturbed habitats where herbaceous host plants are abundant.

Size

  • Adult length: approximately 3–8 mm (0.12–0.3 in).

  • Body generally oval and convex, often metallic green, bronze, blue, brown, or reddish.

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