Golden tortoise beetle (Charidotella sexpunctata)

Kepik emas or golden tortoise beetle (Charidotella sexpunctata) is a type of leaf beetle species in the Chrysomelidae family, up to 14mm long and bright golden in glass discs. These insects usually live on Ipomoea carnea trees that grow in environments close to water.

C. sexpunctata takes refuge in a transparent disc consisting of three parts with four signs as fals legs, a pair of antennas and six legs. This beetle is able to change color if it feels threatened by flowing liquid between the cuticles and the glittering gold color turns into blood red or worn brown.

Kepik emas usually lay eggs up to 20 items, white and attached to the branches or on the underside of the leaves. Yellowish or reddish brown larvae will appear from eggs that hatch within 5 to 10 days. Adults and larvae eat leaves which cause large holes.

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Chrysomelidae
Subfamily: Cassidinae
Tribe: Aspidimorphini
Genus: Aspidimorpha
Species: A. sanctaecrucis

Humpback whales (Megaptera novaeangliae) manufacture bubble-nets as tools to increase prey intake

NEWS - Humpback whales ( Megaptera novaeangliae ) create bubble net tools while foraging, consisting of internal tangential rings, and actively control the number of rings, their size, depth and horizontal spacing between the surrounding bubbles. These structural elements of the net increase prey intake sevenfold. Researchers have known that humpback whales create “bubble nets” for hunting, but the new report shows that the animals also manipulate them in a variety of ways to maximize catches. The behavior places humpbacks among the rare animals that make and use their own tools. “Many animals use tools to help them find food, but very few actually make or modify these tools themselves,” said Lars Bejder, director of the Marine Mammal Research Program (MMRP), University of Hawaii at Manoa. “Humpback whales in southeast Alaska create elaborate bubble nets to catch krill. They skillfully blow bubbles in patterns that form a web with internal rings. They actively control details such ...

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