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Beetles of Zihuatanejo

ORDER COLEOPTERA

Tumbling Flower Beetles
Mordellinae (Subfamily)

Diet

  • Adults: Primarily feed on pollen, nectar and flower tissues, and are often found on blossoms.

  • Larvae: Develop in decaying wood, stems, roots and other plant material, where they feed on decomposing tissues and associated fungi.

  • Some larvae develop in living plant stems and may be associated with galls or other plant structures.

Range

  • Mordellinae is a large and widespread subfamily of tumbling flower beetles (Mordellidae), occurring throughout much of the world.

  • Tropical and subtropical regions support particularly high diversity, and Mexico has a rich Mordellinae fauna.

  • Species occur in Guerrero and around Zihuatanejo, where suitable flowering plants and decaying vegetation provide abundant habitat.

  • Around Zihuatanejo, tumbling flower beetles are occasional to fairly common, particularly during the rainy season when flowering vegetation is abundant.

Habitat

  • Found in tropical dry forest, tropical deciduous forest, woodland, scrub, forest edges, gardens, agricultural areas and secondary vegetation.

  • Adults are easiest to find on flowers, especially in sunny clearings and along forest margins.

  • Larvae develop concealed within dead wood, decaying stems, roots and other plant material.

Size

  • Adult length: approximately 2–15 mm (0.08–0.6 in), depending on species.

  • Body usually small, wedge-shaped and somewhat flattened, often tapering sharply toward the tip of the abdomen.

  • Colouration is commonly black, brown, reddish-brown or metallic, sometimes with contrasting bands or spots.

  • The pointed abdomen and enlarged hind legs are characteristic features.

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