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Beetles of Zihuatanejo

ORDER COLEOPTERA

Eumolpini Leaf Beetles
Eumolpini (Tribe)

-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


Eumolpini is tribe of leaf beetles in the Chrysomelidae family, containing numerous species known for their plant-feeding habits, especially on leaves and roots. Eggs are laid in the soil near the base of plants, where larvae can quickly access roots upon hatching.

Diet

  • Adults: Primarily herbivorous, feeding on leaves, flowers and tender plant tissues. Host plants vary widely among species and include trees, shrubs and herbaceous plants.

  • Larvae: Generally feed on roots and other underground plant tissues, although larval feeding habits vary among genera and species.

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

Range

  • Eumolpini is a worldwide tribe of leaf beetles, with especially high diversity in tropical and subtropical regions.

  • Numerous species occur throughout Mexico, including tropical western Mexico and Guerrero.

  • The tribe is well represented in the broader Zihuatanejo region, where tropical vegetation supports a diverse eumolpine fauna.

Habitat

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

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

  • Many species are most active during warm weather and may be encountered on vegetation after rainfall.

Size

  • Adult length: approximately 3–15 mm (0.12–0.6 in), depending on species.

  • Bodies are generally oval, convex and robust, often with smooth, polished surfaces.

  • Many species exhibit striking metallic green, blue, bronze, copper or purple coloration, while others are brown or black.

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