Updated: July 6, 2025

Brunner’s Stick Mantis (Brunneria borealis) is a fascinating and unique species of praying mantis that has captivated insect enthusiasts worldwide. Known for its slender, stick-like appearance, this mantis blends seamlessly into its environment, making it both an excellent subject for observation and a rewarding pet for those interested in exotic insects. If you’re considering adding a Brunner’s Stick Mantis to your collection or want to improve your current care routine, this comprehensive guide will help you understand everything you need to know about caring for these intriguing creatures.

Introduction to Brunner’s Stick Mantis

Brunner’s Stick Mantis is native to parts of the southern United States and Central America. Its elongated body resembles twigs or sticks, providing natural camouflage against predators. Unlike some of the more aggressive mantis species, Brunner’s Stick Mantis tends to be more docile and somewhat easier to care for, making it an ideal pet for beginners and experienced keepers alike.

Housing Requirements

Enclosure Size

A suitable enclosure is essential for maintaining the health and wellbeing of your Brunner’s Stick Mantis. An adult mantis requires at least a 12x12x18 inch vertical enclosure. The height is more critical than the base area because these mantids are arboreal—they prefer climbing and hanging from branches rather than crawling on the ground.

Ventilation

Proper ventilation prevents mold growth and ensures fresh air circulation. Choose enclosures made with mesh or screen tops that provide enough airflow but prevent escapes. Plastic containers with ventilation holes can work if they are secure enough.

Substrate

Although Brunner’s Stick Mantises spend most of their time on plants or sticks, add a layer of substrate such as coconut fiber, peat moss, or paper towels at the bottom to help maintain humidity levels and make cleaning easier.

Décor

Incorporate plenty of vertical elements like branches, twigs, and artificial or live plants. These not only offer climbing opportunities but also replicate the mantis’s natural environment. Make sure branches are sturdy enough to hold the mantis comfortably.

Temperature and Humidity

  • Temperature: The ideal temperature range for Brunner’s Stick Mantis is between 75°F and 85°F (24°C – 29°C). Avoid sudden temperature drops or extreme heat, which can stress the mantis.
  • Humidity: Maintain humidity between 50% and 70%. You can achieve this by lightly misting the enclosure once daily or every other day, depending on your home environment.

Using a small hygrometer inside the enclosure helps monitor both temperature and humidity levels accurately.

Feeding Your Brunner’s Stick Mantis

Diet

Brunner’s Stick Mantises are carnivorous and primarily feed on live insects. Common food sources include:

  • Fruit flies (ideal for nymphs)
  • Small crickets
  • Houseflies
  • Small moths
  • Other soft-bodied insects

Avoid feeding them prey that is too large, as this may stress or injure the mantis.

Feeding Frequency

  • Nymphs: Feed daily due to their rapid growth.
  • Adults: Feed every 2-3 days.

Remove uneaten prey after 24 hours to prevent stress or injury to your mantis.

Water

Mantises generally obtain water from their prey; however, they also drink droplets from misted leaves or walls. Lightly misting the enclosure provides drinking water without drowning risk.

Handling Your Brunner’s Stick Mantis

While Brunner’s Stick Mantises are relatively docile compared to other species, they are still delicate creatures:

  • Approach slowly to avoid startling them.
  • Use gentle motions when handling.
  • Avoid grabbing limbs directly; instead, coax the mantis onto your hand by allowing it to climb voluntarily.
  • Limit handling sessions to reduce stress.

Overhandling can lead to defensive behavior or injury.

Molting Process

Molting is vital for growth but also a vulnerable time for mantises. During molting:

  • Increase humidity slightly to around 70%.
  • Avoid handling altogether.
  • Provide plenty of vertical climbing surfaces.

A successful molt means your mantis will shed its old exoskeleton cleanly and emerge healthy. If molting difficulties occur, it may indicate environmental issues such as improper humidity or temperature.

Breeding Brunner’s Stick Mantis

Breeding this species in captivity requires careful planning:

  1. Provide a healthy adult male and female.
  2. Keep them separated initially to avoid aggressive encounters.
  3. Introduce them carefully in a neutral enclosure.
  4. Observe mating behavior; males typically approach females cautiously.
  5. After mating, females will lay eggs in an ootheca (egg case).

Incubate the ootheca at about 80°F with moderate humidity until nymphs hatch in several weeks. Providing appropriate food for hatchlings (fruit flies) is crucial for survival.

Common Health Issues

Dehydration

Signs include lethargy, shriveled abdomen, and refusal to eat. Increase misting frequency and ensure proper enclosure conditions.

Injuries

Loss of limbs or damaged wings often occur during handling or fights with other mantises. Isolate injured individuals for recovery.

Molting Problems

Caused by low humidity or inadequate climbing surfaces; maintain optimal environmental conditions.

Parasites

Mites may infest mantises kept in unsanitary conditions; regularly clean enclosures.

Cleaning and Maintenance

Regular cleaning prevents mold growth and reduces disease risk:

  • Remove uneaten prey within 24 hours.
  • Spot-clean feces after feeding.
  • Change substrate every two weeks.
  • Fully sanitize the enclosure monthly using mild soap and water; avoid harsh chemicals that could harm your mantis.

Conclusion

Brunner’s Stick Mantis makes an excellent pet for those fascinated by exotic insects due to its distinctive appearance, manageable care requirements, and engaging behavior. By providing an appropriately sized enclosure with adequate ventilation, maintaining proper temperature and humidity levels, offering a balanced diet of live prey, and respecting their delicate nature during handling and molting periods, you can enjoy watching this remarkable insect thrive in your home.

If you are patient and attentive to their needs, Brunner’s Stick Mantises can offer a remarkable window into the world of exotic arthropods while enhancing your experience as an insect hobbyist.

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