Bark Beetle

Not all bark beetles feed on a tree’s bark. Some species feed on fruits, seeds, and other parts of the plant
Bark Beetle Scientific Classification
Bark Beetle Physical Characteristics
Brown, Black
12-18 months
Bark Beetle Distribition

Not all bark beetles prey on tree bark. Some species prey on fruits, seeds, and various other components of the plant


The name bark beetle describes any one of the more than 2000 species of beetles of the subfamily Scolytinae. They’re called bark beetles mostly due to their propensity to birthed right into and prey on the internal bark of trees. Nonetheless, not all bark beetles prey on tree bark. Some species of bark beetles, such as the Southern pine beetle (Dendroctonus frontalis), are thought about significant parasites that ruin conifer woodlands throughout The United States and Canada, while the Coffee berry borer (Hypothenemus hampei) is a significant bug of coffee plants throughout the globe.

Bark Beetles Species, Kind, and Scientific Name

Bark beetles are insects in the subfamily Scolytinae. The team additionally consists of some participants of the subfamily Platypodinae. This clade of beetles, which attends to greater than 2000 species of insects, was formerly a different family however is currently thought about a customized team in real weevil family Curculionidae.

Real weevil family where this beetle belongs is thought about among the biggest animal family members with greater than 6800 category and over 83,000 species of beetles. Bark beetles look incredibly various from various other participants of real weevil family due to the fact that they have customized mouthparts for tiring right into timber.

The name bark beetle is a recommendation to the truth that numerous species in this team birthed right into the bark (the phloem layer) of woody plants. Nonetheless, not all species birthed right into tree bark. Some prey on fruits and seeds and even passage deep right into floral plants.

A Few Of one of the most noteworthy participants of this team consist of the European elm bark beetle (Scolytus multistriatus), the huge elm bark beetle (Scolytus scolytus), and the American elm bark beetle (Hylurgopinus rufipes). Others consist of the coffee berry borer (Hypothenemus hampei), which is a bug of coffee plants in Europe, and the Southern pine beetle (Dendroctonus frontalis), which assaults conifer woodlands in The United States and Canada.

Appearance: Exactly How to Recognize Bark Beetles& nbsp;

Small spruce bark beetle
Bark beetles are little bugs with round bodies. People are barely bigger than a grain of rice.Tomasz Klejdysz/Shutterstock. com

Bark beetles are little bugs with round bodies. People are barely bigger than a grain of rice. A lot of species are much less than 6 mm (0.25 inches) in size. They’re tough to see, and their tasks usually go undetected due to the fact that they’re usually spread. They can be brownish or black, depending upon the species. Their morphology is a little various from various other beetles in the Curculionidae.

Bark beetles are characterized by little appendages and antennae which they can quickly pull back or fold up right into their body. They commonly make passages in trees and utilize their huge jaws to dig deep into woody cells as they birthed. Bark beetles commonly have actually squashed eyes. Researchers have actually supposed that their eyes are adjusted to seeing in reduced- light problems.

Environment: Where to Discover Bark Beetles

Various species are located throughout numerous places throughout the globe. They’re mainly tree- dull insects. Nonetheless, various species of bark beetles target certain sorts of trees.

As an example, the elm bark beetles are mainly located on elm trees. They develop elaborate galleries on the tree surface area right under the bark. Likewise, most species of Ips and Dendroctonus beetles strike evergreen. The clover origin borer is additionally a kind of bark beetle, and it is located on clover trees.

While the various species of ambrosia beetles are noteworthy for their influence on lumber trees, many species of bark beetles limit their task to just one component of the tree, such as the stem, branch, origin collar, or branch. Some species just target one kind of tree, while others can be located on various species of trees.

Diet: What Do Bark Beetles Eat?

Bark beetles prey on the timber cells of numerous tree species. A lot of species prey on weak and passing away trees. They frequently target spruce, hemlock, and fir trees. In woodlands, these beetles offer a really crucial function of helping the disintegration of dead or passing away timber. This assists in the revival of woodland trees. Nonetheless, a couple of species like the mountain pine beetle strike healthy and balanced evergreen. Ambrosia beetles additionally target lumber trees. These beetles are respected parasites that trigger significant troubles for the lumber sector.

What Consumes Bark Beetles?

Grownup 3- toed woodpeckers exploit both the grown-up and larvae of bark beetles. They can utilize their beaks to remove the bark of ravaged trees in order to get to the insects beneath. This foraging routine indirectly eliminates beetle broods that they’re incapable to get to considering that it reveals them. A few other birds might additionally select these beetles and prey on them.

A couple of predaceous beetle species strike bark beetles. Instances of these consist of the black- bellied clerid and trogositid beetle. Some parasitical wasps are all-natural opponents of these beetles. Nonetheless, these insects can not manage& nbsp; bark beetle populaces efficiently.

Avoidance: Exactly How to Eliminate Bark Beetles

Not all species of bark beetles are troublesome. Actually, some species are thought about advantageous due to the fact that they assist the disintegration of dead trees. Nonetheless, some species are understood to strike healthy and balanced trees and can trigger considerable business damages.

When bark beetles infest a tree, there’s virtually absolutely nothing you can do to conserve the tree. Presently, no accepted chemical pesticides can eliminate the beetles under the bark. A couple of trees have the ability to repel a strike by themselves by creating chemicals that restrict the insect’s capability to procedure woody products and even paralyze and eliminate the assaulting insect.

When a plagued tree has actually been recognized, sufficing down quickly or separating it from various other trees will certainly assist avoid the spread of the insect. Precautionary therapy of your trees, specifically throughout durations when they’re most likely to be stressed out (such as throughout dry spell period), is advised to assist them eliminate getting into insects. Specific pesticides might work in avoiding assaults from holding. Therapy is ideal performed by experts. Generally, this just relates to high- worth tree species that are prone to bark beetles.


  1. Wikipedia, Available here:
  2. Wikipedia, Available here:
  3. Britannica / Kara Rogers, Available here:
  4. United States Department of Agriculture, Available here:

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