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Beetles of Zihuatanejo

ORDER COLEOPTERA

Blapstinus Darkling Beetles
Blapstinus (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)

-Darkling Beetles and Allies (Superfamily Tenebrionoidea)

-Darkling Beetles (Family Tenebrionidae)

-Subfamily Blaptinae

-Tribe Opatrini

-Subtribe Blapstinina

-Genus Blapstinus


The genus Talanus belongs to the darkling beetle family (Tenebrionidae), specifically within the subfamily Stenochiinae and the tribe Talanini. Typically dark brown to black, like many other darkling beetles. Elongated and somewhat flattened body, with a hard exoskeleton.

Diet

  • Larvae: Feed primarily on decaying plant material, roots, fungi, and other organic matter in soil and leaf litter.

  • Adults: Mostly scavengers, feeding on decaying vegetation, seeds, fungi, algae, carrion, and other organic debris. Some species also consume fresh plant material.

Range

  • The genus Blapstinus is widely distributed throughout the Americas, from the southern United States through Mexico, Central America, the Caribbean, and South America.

  • Mexico contains a particularly diverse assemblage of Blapstinus species, including species occurring along the Pacific coast of Guerrero and in the Zihuatanejo region.

  • Many species are adapted to warm, dry environments.

Habitat

  • Common in tropical dry forests, thorn scrub, grasslands, deserts, coastal dunes, agricultural fields, woodland edges, and disturbed habitats.

  • Adults are frequently found beneath stones, fallen wood, leaf litter, and other ground debris, especially during the day.

  • Larvae develop in soil, decaying vegetation, and other organic-rich substrates.

Size

  • Adult length: approximately 4–10 mm (0.16–0.4 in).

  • Body generally elongate-oval, dark brown to black, with a hard, heavily sclerotized exoskeleton.

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