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  • Jewel Weevil - (Eurhinus magnificus)

    Jewel Weevil - (Eurhinus magnificus)

    The Jewel Weevil is a bright and gleaming newcomer to North America, looking like its precious namesake but with potential to become a pest.

    Staff Writer (6/3/2016): A native to countries in Central America, the Jewel Weevil started making appearances in Florida in 2002. It was first seen in a plant nursery for ornamental plants and on a shipment of bananas the year after. Since then, the frequency of sightings and numbers increased and the species is now established in Miami-Dade and Broward counties. Their host plant is the possum grape vine (also called princess vine). It is still unknown if this insect will threaten grapevines grown in Florida for food and vine production. The Jewel Weevil has no known biological controls yet, so research is needed in both areas.

    Females embed a fertilized egg into the stem of the plant and a gall will form as the plant swells around the egg. Galls are swollen, round bumps on a stem. If cut open before hatching, eggs will be visible inside the gall. Galls on this plant with this species can grow to almost a centimeter in diameter on the stem and are usually found at the softer, younger parts of a stem. The larvae molt and pupate while inside their galls and emerge as adults. Adults feed on the plant stems and petioles (the leaf 'stem' that connects it to the main plant), then repeat the reproduction cycle. This insect activity at various life stages can cause overloaded stems to break, fall off, or fail to move nutrients to the rest of the vine.

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    Details of the:
    Jewel Weevil

    Category: Beetle
    Common name: Jewel Weevil
    Scientific Name: Eurhinus magnificus

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Curculionidae
           Genus: Eurhinus
            Species: magnificus

    Size (Adult, Length): 4mm to 6mm (0.16in to 0.24in)

    Identifying Colors: green, red, copper, yellow, black

    Additional Descriptors: rainbow, multicolored, colorful, metallic, shiny, snout, nose, trunk

    North American Reach (Though Not Limited To*): Florida

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.

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