Planthopper

A planthopper is a small bug.

It looks like a green leaf. This helps it hide. Many planthoppers eat from plants. They suck sap from the stems.

Some young bugs make wax. The wax helps them hide too. They can also hop very fast. This helps them move quickly.

Some bugs can spread plant sickness. This happens when they eat. They are found all over the world.

It is fun to look for them!

A planthopper is a type of insect. There are over 12,500 kinds in the world. They get their name from how they move. They can hop fast like grasshoppers. But most of the time, they walk slowly. They look like leaves or plants. This helps them hide from others.

Planthoppers eat by sucking sap from plants. Young planthoppers make wax from special parts of their bodies. This wax helps them hide. Adult females also make wax. They use it to protect their eggs. When they eat, they make a sweet liquid called honeydew. This liquid can help black mould grow on plants.

Some planthoppers can spread plant sickness. This happens when they feed on plants. One kind is the spotted lanternfly. It is from China and Vietnam. Now it lives in the United States too. Another kind can hurt coconut trees in Jamaica. Planthoppers have been around for a long time. We can even find their fossils in old rocks.

A planthopper is a special kind of insect. There are more than 12,500 different species found all over the world. These insects get their name from how they move. They can hop very quickly to get somewhere fast. This movement looks a lot like how a grasshopper jumps. Most planthoppers actually prefer to walk very slowly. They often look like leaves or parts of a plant. This helps them stay hidden in their homes.

Planthoppers have a very interesting way of working. Many young planthoppers have special glands on their bodies. These glands make a type of wax. This wax is hydrophobic, which means it repels water. The wax helps the young insects stay hidden. Adult females also make wax to protect their eggs. Some young planthoppers even have a biological gear mechanism. This gear is located at the base of their back legs. It helps both legs jump at the exact same time.

Scientists have studied these insects for a long time. We can find clues about them in the fossil record. Some fossils come from the Lutetian age in Colorado. These fossils were found in the Green River Formation. Other ancient planthoppers lived during the Eocene period. We also find them in very old amber. For example, some were found in Burmese amber. These fossils come from the Cenomanian period. These old bones and shells tell us they have been around for ages.

There are many specific facts about these insects. They belong to the group called Fulgoromorpha. This group has two main superfamilies. One is called Fulgoroidea and the other is Delphacoidea. Some people also use the name Archaeorrhyncha for them. Planthoppers feed by sucking sap from plants. While they eat, they make a liquid called honeydew. This sweet liquid can cause sooty mould to grow. This mould grows on the plants they visit.

Planthoppers can affect the world around them. Some species can carry plant diseases. They can spread sickness when they feed on plant sap. One insect is called the spotted lanternfly. It comes from China and Vietnam. Now it lives in the United States and South Korea. Another insect is called Haplaxius crudus. It is a pest in Jamaica. This insect can cause a disease in coconut trees. It nearly killed the Jamaican Tall coconut variety.

Planthoppers are a diverse group of insects belonging to the infraorder Fulgoromorpha. This group is part of the larger suborder Auchenorrhyncha. Scientists have described more than 12,500 different species of planthoppers worldwide. They are known for their ability to hop quickly to move around. This rapid movement is similar to how a grasshopper jumps. However, most planthoppers actually prefer to walk very slowly. Their bodies often resemble leaves or other parts of a plant. This resemblance helps them hide in their natural environments.

To identify a planthopper, scientists look for specific physical traits. One key feature is a bifurcate anal vein in the forewing. This means the vein is shaped like the letter Y. They also have thickened, three-segmented antennae. The second segment of these antennae is called the pedicel. It is usually round or egg-shaped. This segment also carries a fine, hair-like structure called an arista. Most planthoppers are also laterally flattened. They hold their broad wings vertically in a tent-like shape. This wing position covers their legs and the sides of their bodies.

Planthoppers have fascinating biological mechanisms for survival and movement. Many nymphs, or young insects, possess special glands on their bodies. These glands produce a hydrophobic wax. Because this wax repels water, it helps the nymphs stay concealed. Adult females also produce wax to protect their eggs. Nymphs also feature a unique biological gear mechanism. This mechanism is located at the base of their hind legs. It ensures that both legs move in synchrony during a jump. While these gears were known for decades, scientists only recently described how they function.

Classification of these insects involves two main superfamilies. The first superfamily is Fulgoroidea. This group includes many families such as Fulgoridae and Achilidae. The second superfamily is Delphacoidea, which includes the family Delphacidae. Some researchers use the name Archaeorrhyncha to refer to the Fulgoromorpha. The insect's diet is very specific because they are all plant-feeders. They feed by sucking sap from various plants. As they eat, they produce a substance called honeydew. This liquid is produced in large amounts. If honeydew stays on a plant, it can cause sooty mould to grow.

Planthoppers play a significant role in plant health and agriculture. Some species act as vectors, which means they carry and spread diseases. They can transmit phytoplasmas, which are organisms that live in the phloem of plants. One notable example is Haplaxius crudus. This species is a pest that carries lethal yellowing. This disease nearly destroyed the Jamaican Tall coconut variety. Another famous example is the spotted lanternfly. This insect is native to China and Vietnam. It has become an invasive species in the United States, South Korea, and Japan.

We can learn about the history of planthoppers through the fossil record. Many extinct taxa have been discovered in ancient formations. For example, the Emiliana lived during the Lutetian age. These fossils were found in the Green River Formation in Colorado. Other fossils have been preserved in amber. Many species have been found in Burmese amber from the Cenomanian period. These include the monotypic taxa Dorytocidae, Jubisentidae, Katlasidae, and Yetkhatidae. Other fossils come from the Crato Formation in Brazil or the Yixian Formation in China. These ancient remains show that planthoppers have existed for millions of years.

Understanding planthoppers helps scientists study many different biological systems. Their unique jumping gears offer insights into mechanical biology. Their role as disease vectors connects them to the study of plant pathology. Studying their evolution through fossils connects entomology to the study of Earth's history. By looking at how they interact with plants, we learn about the balance of ecosystems. Whether they are acting as pests or simply feeding on sap, they are a vital part of the natural world.