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Western Boxelder Bug

Boisea rubrolineata

The Western Boxelder Bug is a small, black bug with bright red lines. They love to gather in sunny spots and can often be seen on trees or walls during warm days.

Habitat: Urban areas

Appearance

The Western Boxelder Bug has a striking flat, oval-shaped black body with bright red or orange markings. A distinct red line runs along each wing margin, and it often has a red stripe behind its head. Its vibrant coloration helps it stand out.

KingdomAnimaliaPhylumArthropodaClassInsectaOrderHemipteraFamilyRhopalidaeGenusBoisea
Western Boxelder Bug
striped trait badgesocial trait badgecolorful trait badgeherbivorous trait badge
Western Boxelder Bug

Category

Insects

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Baby boxelder bugs are bright red all over and don't have wings yet!

Their vivid red and black colors loudly tell birds 'I taste bad, stay away!'

They can suck tasty juices from plant seeds using a long, straw-like mouthpart.

Western Boxelder Bugs often gather in massive groups of thousands on sunny walls!

Special abilities

Ability

Stinky Shield

Western Boxelder Bugs can release a foul-smelling liquid that helps them deter hungry predators.

Ability

Sun Seeker

Western Boxelder Bugs have a dark body that helps them absorb warmth from the sun, especially in cooler weather.

Ability

Seed Sipper

Western Boxelder Bugs have piercing-sucking mouthparts that help them drink the sugary juices from seeds.

Measurements & details

Wingspan
20-25 mm
Size
11-14 mm
Lifespan
15-45 days
Leg Count
6

Diet & Feeding

These bugs mostly drink the sweet sap and juices from the seeds and leaves of various trees.

Primary Foods

  • Boxelder tree seeds
  • Maple tree seeds
  • Ash tree seeds
  • Sap
  • Fruit

Foraging Method

  • Foraging

Ecological connections

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

These bugs are safe to watch, but don't touch them too much.

Frequently Asked Questions

What is Western Boxelder Bug's wingspan?

20-25 mm

How big is Western Boxelder Bug?

11-14 mm

How long does Western Boxelder Bug live?

15-45 days

What does Western Boxelder Bug eat?

These bugs mostly drink the sweet sap and juices from the seeds and leaves of various trees.

Where is Western Boxelder Bug usually found?

Urban areas

How does Western Boxelder Bug hunt?

Foraging

How many legs does Western Boxelder Bug have?

6

Snap Map

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Where to spot

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