The Curculionidae – Weevils

The Curculionidae – Weevils are a family of beetles that likely includes around 200,000 species worldwide. It is the largest family in the animal kingdom!!! Wikipedia

They are characterized by their elongated rostrum, which is an extension of the head and often bears the mandibles and antennae at its tip. Here is a summary of the main characteristics and aspects of the Curculionidae (weevils):

Characteristics

Distinctive Anatomy:

Weevils are primarily distinguished by their elongated rostrum, which varies in size and shape depending on the species. The rostrum can be used to pierce and feed on plant tissues, seeds, bark, or even animal tissues.

Variety of Feeding Habits:

Weevils exhibit great diversity in their diets. Some feed on plants, sometimes causing significant damage to crops and stored products. Other weevils are xylophagous, feeding on wood. Some are also found in aquatic environments and feed on decomposing organic matter.

Varied Life Cycles:

Weevils go through different developmental stages, from egg to larva, pupa, and adult. Larvae usually develop inside their food source, whether wood, seeds, or other organic materials. Some weevil species, like rice weevils, are major agricultural pests due to their development within crops.

Protection and Defense:

Some weevils have developed defense mechanisms to protect themselves from predators. Some can release repellent or toxic chemicals, while others display aposematic coloration to warn predators of their potential toxicity.

Dryophthorinae (subfamily)

Genus Scyphophorus

Scyphophorus acupunctatus – Agave Weevil

Molytinae (subfamily)

Genus Liparus

Liparus germanus – Butterbur Weevil

Sources:

• www.galerie-insectes.org

Scolytinae (subfamily)

Genus Hylastes

Hylastes – unidentified