Ten-Lined June Beetle

These beetles can take up to two years to complete one generation. In fact, larvae can develop in soil for up to 4 years!
Ten-Lined June Beetle Scientific Classification
Scientific name
Polyphylla decemlineata
Ten-Lined June Beetle Physical Characteristics
Brown, Red, Black
Larvae live for 2 to 4 years
Ten-Lined June Beetle Distribition

Ten-lined June beetles are participants of the Scarabaeidae family and fall under the class Insecta. They happen throughout the world and are understood for their one-of-a-kind wings, which are covered in straight patterns.

They additionally pass the name watermelon beetles and have really inadequate vision, which is why they are so brought in to lights. However, their attraction for lights is their failure due to the fact that it makes them much easier to capture in backlight cages and various other devices.

Ten-lined June beetles are belonging to the North Hemisphere, with thick populaces in the USA and Canada.

Their main diet includes tree origins; nonetheless, they additionally such as to consume grapefruit and raspberry juice. These beetles are referred to as bugs due to the fact that they can trigger the trees they eat to degeneration. While the larvae can live for about 4 years, grownups hardly endure for greater than 10 months.

Ten-Lined June Beetle Species, Kind, and Scientific Name

The Ten-lined June beetle’s scientific name is Polyphylla decemlineata, and the genus includes 85 species, that include:

Saline Valley Snow-front Scarab

The saline valley snow- front scarab ( Polyphylla anteronivea) is additionally referred to as the saline valley snow- front June beetle, and they come from the family Scarabaeidae.

This species is belonging to The United States and Canada. Their excellent environment is woodlands or orchards, and they are identified by their white elytra ranges that create red stripes down their bodies. However, grownups are attracted to lights, which typically causes fatality.

Saline valley snow- front scarabs lay their eggs in the dirt, normally near plants where the larvae hatch out and birthed down right into the origins, where they will certainly live and feed for 2 to 3 years prior to changing right into pupae.

Found Detector Valley  June Beetle

Found Detector valley June beetles mainly happen in the North Hemisphere and generally arise throughout cozy springtime nights; they, as well, are brought in to lights. They differ in dimension from 0.5 to 1 inch, and have metal wings (elytra) that cover a lot of their bodies.

These beetles are nighttime and eat blossoms and vegetation, typically creating considerable damages. Their larvae are called white grubs and determine around an inch in size, delving right into the dirt where they remain for many years.

Along with harmful blossoms, they additionally damage:

  • Corn areas
  • Little grains
  • Potatoes
  • Strawberries
  • Yards
  • Pastures

Mount Hermon June Beetle

The Mount Hermon June beetle came from Santa Cruz Area, The Golden State, where it was initial uncovered in 1938. The males are tiny with black heads and dark brownish elytra, which are covered in lengthy brownish hair. Furthermore, they have red stripes throughout their bodies. These red stripes are damaged and normally look like alternate globs.

The females are extra popular and additionally have black heads; nonetheless, the reduced component of their faces are chestnut in shade. Furthermore, their head, thorax, and legs are covered in gold hair. The distinction in dimension in between this species’ sexes is fairly considerable, with females determining 0.87 by 0.43 inches and males 0.79 by 0.39 inches.


Ten-lined June beetles come from the order Coleoptera and are best identified by their front set of wings called elytra. This order is the biggest of the Insecta class and consists of about 400,000 species, with brand-new samplings uncovered typically.


They are family members Scarabaeidae, that are acknowledged for their stout bodies and metal shades. Participants differ in dimension and can determine in between 0.059 to 6.2 inches.

Among their distinct attributes is their clubbed antennae that press right into a sphere or fawn out like fallen leaves, which they make use of to notice smells.

Furthermore, several species in this family are burrowers, and have actually legs adjusted for excavating. Some grown-up species have horns on their head, which they make use of to eliminate over sources or friends. The biggest species ever before discovered was fossilized, called Oryctoantiquus borealis, and it determined 2 inches long.

Appearance: Exactly How To Determine the Ten-Lined June Beetle

Ten-lined June beetle is ideal acknowledged by the 4 white lines diminishing its elytra. Furthermore, they have antennas with lamellate plates. Their tinting varies relying on the sex, however they are usually black or red- brownish in shade.

These beetles are normally in between 0.8 to 1.5 inches long. Nevertheless, the grubs can get to sizes of 2 inches if they get correct nourishment. When contrasted to the Hercules beetle, they are almost half the dimension!

Environment: Where to Discover the Ten-Lined June Beetle

These beetles happen throughout the Northern and Western USA and Canada. Nevertheless, huge populaces live in states like:

  • Kansas
  • Arizona
  • The Golden State
  • Nebraska
  • Nevada
  • Colorado

They favor to stay in woodlands, shrublands, and farmlands and are thought about farming bugs due to the fact that tin- lined June beetles’ larvae stay in the dirt and eat the origins of plants, damaging them while doing so.

Diet: What Do Ten-Lined June Beetles Eat?

The diet of Ten-lined June beetles differs, however they mainly eat plant- based food like

  • Leaves
  • Walnut trees
  • Oak trees
  • Plant origins

The grubs are harmful to plants due to the fact that they trigger degeneration when eating the origins.

Life Process of the Ten-Lined June Beetle

The life process of Ten-lined June beetles is fairly wish for an insect. These beetles can occupy to 2 years to finish one generation. Actually, larvae can establish in dirt for approximately 4 years!

The larvae live in the leading dirt (around 14 inches from the surface area), where they eat origins. Grown-up females will certainly make their method to the surface area every summertime or very early fall and launch scents to bring in males.

Around this time around, males will fly about from sundown till twelve o’clock at night trying to find a friend. As soon as the breeding mores than, the females delve back right into the dirt to lay their eggs.

While the larvae can measure up to 4 years, there is no document of the life-spans of grownups; nonetheless, it is assumed that they pass away after laying eggs.

Avoidance: Exactly How to Remove the Ten-Lined June Beetle

However, the only method to eliminate greatly ravaged locations is by eliminating the trees, and the bordering dirt requires to be fumigated to stop the larvae from asserting neighboring trees.

Furthermore, industrial farmers use dirt pesticides to eliminate the larvae as aboveground chemicals do not function.

Nevertheless, these approaches just put on huge locations like woodlands. House yards are a various tale. Female Ten-lined beetles can not fly, so populaces spread out gradually, making them conveniently workable in a tiny area.

House owners can make use of lights to bring in these beetles and catch them with an internet. Some individuals feed them to their chickens, while others crush them as soon as captured.


  1. The Daily Garden, Available here: https://www.thedailygarden.us/garden-word-of-the-day/ten-lined-june-beetles
  2. Encyclopedia (1970) encyclopedia.com/environment/science-magazines/mount-hermon-june-beetle
  3. Wikipedia, Available here: https://en.wikipedia.org/wiki/Ten-lined_June_beetle
  4. Kidadl, Available here: https://kidadl.com/facts/animals/ten-lined-june-beetle-facts

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