Coccinellidae

Ladybugs are small beetles.

They live all over the world. Many have bright colors like red with black spots. These colors warn animals that they taste bad.

Most ladybugs eat tiny bugs. This helps them protect plants. Some ladybugs eat plants or fungi instead.

Ladybugs grow in stages. They start as eggs. Then they become larvae. Next they are pupae. Finally they are adults.

In cold places, they sleep through winter. In hot places, they sleep during dry times. They are very special bugs.

Ladybugs are small beetles found all over the world.

In North America, people call them ladybugs. In the United Kingdom, they are called ladybirds. Most ladybugs are oval with domed backs. They have bright colors like red, orange, or yellow.

These colors are aposematic. This means they act as a warning. The bright patterns tell predators that the beetles taste bad.

Many ladybugs are hunters. They eat tiny insects like aphids. Because they eat these pests, they are helpful to farmers. Other species eat plants or fungi.

Ladybugs grow in four stages. They start as eggs. Then they become larvae, which are long with square heads.

Next, they become a pupa. The pupa is a stage where they stay still. Finally, they become adults.

In cold areas, ladybugs hibernate during winter. They might sleep under rocks or grass. In hot areas, they sleep during the dry season. This sleep is called dormancy.

Some ladybugs can even fly long distances to find food or homes.

Ladybirds are a huge family of small beetles found all over the world.

In North America, people call them ladybugs. In the United Kingdom, they are called ladybirds. The name ladybird comes from the phrase "Our Lady's birds."

In early art, Mary was often shown wearing a red cloak. One common European species has seven spots. These spots were said to represent her seven joys and seven sorrows. Scientists use the name ladybird beetles to avoid confusion with true bugs.

Most ladybirds are hunters that eat other insects.

They often prey on aphids and scale insects. Because they eat these pests, they are helpful to farmers. Some species even eat plants or fungi. To stay safe, many ladybirds have aposematic colors. This is a type of warning color. Bright patterns like red with black spots tell predators that the beetle tastes bad. These colors are made by pigments called carotene and melanin.

Ladybirds grow through four main stages.

First, females lay bright yellow eggs near food. Some females even lay extra eggs that are not fertile. These extra eggs provide a backup food source for the babies. Next, the eggs hatch into larvae. These larvae have square heads and long bodies. They go through four stages called instars. After that, they become a pupa. The pupa is a stage where the insect is mostly still. Finally, the adult beetle emerges from the pupa.

Scientists have studied these beetles for a long time. Pierre André Latreille created the name Coccinellidae in 1807. The oldest fossils of these beetles are about 53 million years old. They were found in amber from France. This amber is called Oise amber. Most fossils come from younger Baltic amber. Some researchers believe these beetles appeared about 143 million years ago. They may have grown in number when flowering plants began to grow. This gave them more food like aphids to eat.

Ladybirds are very active in different ways.

Most ladybirds fly during the day. They can fly long distances to find food or new homes. Some ladybirds in Britain can fly up to 10 kilometers. They can fly at speeds of 1.5 kilometers per hour. In cold places, they hibernate during the winter. They might huddle in large clumps under rocks or grass. In very hot places, they experience summer dormancy. This helps them survive until the weather is better.

Coccinellidae is a widespread family of small beetles found in diverse habitats across the globe.

They are commonly known as ladybugs in North America and ladybirds in the United Kingdom. In Britain, the name "ladybird" originated from the phrase "Our Lady's birds." This refers to the Virgin Mary, who was often depicted in early art wearing a red cloak. For example, the seven spots on the European species Coccinella septempunctata were said to represent her seven joys and seven sorrows. To prevent confusion with "true bugs," entomologists often use the specific terms ladybird beetles or lady beetles.

Physically, these beetles are characterized by an oval shape with a domed back and a flattened underside.

Their bodies feature large compound eyes and clubbed antennae consisting of seven to eleven segments. They possess powerful mandibles, which are jaw-like mouthparts, that feature pairs of facing teeth. As beetles, they have hardened forewings called elytra. These elytra protect the more fragile hindwings used for flight. The legs are relatively short with a tarsal formula of 4-4-4, though they may appear to be 3-3-3 because the third segment is reduced.

Many species use aposematic coloration to survive. Aposematism is a type of warning coloration that signals to predators that the insect tastes bad. These conspicuous patterns often involve bright colors like red, orange, or yellow paired with black spots. These colors are created by pigments: carotene produces the lighter hues, while melanins create the darker ones. While warning colors are common, some patterns may serve as camouflage, help attract mates, or assist in regulating body heat. Some species even exhibit polymorphism, meaning they can display different colors or change color between seasons.

The life cycle of a coccinellid follows a complete metamorphosis through four distinct stages: egg, larva, pupa, and adult.

Females lay bright yellow eggs, often in clusters near food sources. Some predatory species lay extra infertile "trophic eggs" to serve as a backup food source for hatching larvae. Once they hatch, the elongated larvae with square heads progress through four instar stages. After the final molt, they enter the pupa stage. During this time, the insect is mostly immobile, though the head may move if irritated. The adult eventually emerges with soft, light-colored elytra that darken over several weeks or months.

Evolutionary history suggests these beetles have a long presence on Earth. While molecular clock estimates place their origin in the Cretaceous period, the oldest known fossils are found in Oise amber from France.

These fossils date to the Early Eocene, approximately 53 million years ago. Many other fossils have been recovered from younger Baltic amber. Some research suggests the group may have diversified rapidly during the Late Cretaceous. This radiation may have been driven by the growth of angiosperm plants, which supported the rise of insects like aphids that ladybirds eat.

Coccinellids play vital roles in various ecosystems. Most species are carnivorous predators that feed on insects like aphids, scale insects, whiteflies, and mites. Because they prey on agricultural pests, they are considered beneficial insects. Some species have even been introduced as biological control agents to manage pests. However, not all are helpful; some species are pests themselves that attack crops or infest homes. Additionally, invasive species like Harmonia axyridis can threaten native ladybird populations. Other modern threats include habitat destruction and climate change.

These insects are also highly mobile and capable of significant movement.

Most fly during the day, using springy veins in their hindwings to stiffen the wings during flight. In Britain, studies show they can fly up to 10 kilometers at speeds of 1.5 kilometers per hour. They often migrate between breeding sites and dormancy sites. In temperate regions, they hibernate during the winter, often gathering in large clumps under rocks or vegetation. In tropical regions, they may enter dormancy during the dry season, or undergo aestivation during extremely hot summers.