black beetle with red stripes

Identify Your Black Beetle with Red Stripes Today

Are you curious about the black beetle with red stripes that you’ve been spotting around your home? It’s time to decode its identity and understand its behavior. This intriguing insect, scientifically named Boisea trivittatus, goes by the common name of the boxelder bug. Recognized for its striking appearance, the boxelder bug has a black body adorned with vibrant orange or red stripes.

Key Takeaways:

  • The black beetle with red stripes is scientifically known as Boisea trivittatus.
  • These bugs are about 1/2-inch long and have black bodies with orange or red stripes.
  • They are attracted to boxelder and silver maple trees, among others.
  • During the fall, they seek shelter on sunny sides of homes for the winter.
  • While they can enter homes through cracks and gaps, they do not cause significant harm to humans, animals or plants.

Habitat and Behavior of the Black Beetle with Red Stripes

To effectively understand and manage the presence of the black beetle with red stripes, it is essential to explore its natural habitat and behavior. This section will delve into the feeding patterns, shelter-seeking tendencies, reproductive habits, and other interesting characteristics of this intriguing insect.

Feeding Habits

The black beetle with red stripes primarily feeds on the seed pods of boxelder trees, silver maple trees, and certain species of maples and ashes. However, it is important to note that their feeding does not cause significant harm to the trees. These beetles play a minimal role in the ecosystem as seed feeders.

Shelter-seeking Behavior

During the winter months, the black beetle with red stripes seeks shelter in dry and sheltered areas such as woodpiles, barns, sheds, and window casements. This natural instinct drives them to find refuge from the cold winters and survive until the warmer months return.

Boxelder bugs infest homes in large numbers when searching for shelter. They tend to gather on the south side of rocks, trees, and buildings where the sun hits during the fall.

In spring, these beetles return to their host trees to continue their life cycle during the warmer months.

Reproductive Cycle

Boxelder bugs reproduce by laying clusters of straw-yellow eggs on various surfaces such as stones, eaves, grass, shrubs, and trees. As the embryos develop, these eggs turn a vibrant red color. Approximately two weeks later, the eggs hatch, giving rise to the next generation of black beetles with red stripes.

The nymphs that emerge from the eggs initially feed on fallen boxelder seeds and later transition to feeding on new leaves. This feeding behavior ensures their growth and development into adult beetles.

Defense Mechanisms

While the black beetle with red stripes is not harmful to humans or animals, it possesses defense mechanisms to protect itself. If handled roughly or crushed, these beetles release a foul odor as a deterrent. Additionally, their piercing-sucking mouthparts have the potential to occasionally puncture the skin, causing minor irritation.

Prevention and Management

Preventing boxelder bugs from invading homes requires proactive measures. It is crucial to seal entry points, such as cracks and openings, to deter their entry into the living spaces. Another preventive action involves removing female boxelder trees from the property since these trees serve as attractive hosts for these bugs.

Now that we have explored the habitat and behavior of the black beetle with red stripes, we have a better understanding of this intriguing insect’s role in the ecosystem. The next section will provide a conclusion and summary of key points discussed throughout this article.


The black beetle with red stripes, also known as the boxelder bug, can be found in various areas. Understanding their behavior and habitat is crucial for effective management.

Fortunately, these bugs are not harmful to humans, animals, or plants. Their presence may cause some minor inconvenience like staining walls but poses no significant concern.

To control their population, it is advisable to take preventive measures such as removing debris, sealing cracks, and using a vacuum cleaner to remove them from the exterior of your home. If needed, professional pest control services can be sought for more comprehensive management.

The black beetle with red stripes is an intriguing insect that can be spotted in different environments. With the right steps, you can coexist with them without worry.

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