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Mam-burrumurl: A New Parasitic Ghost Wasp Species Found Near Edith Falls

In a discovery that captivated both scientists and nature enthusiasts, a parasitic ghost wasp known as the mam-burrumurl has emerged from the dense habitats of Nitmiluk National Park. This newfound species, which targets the native Australian resin bee, has not only fascinated entomologists but also shines a light on the incredible biodiversity that exists just below our radar.

Wildlife photographers Lucyna Kania and Nick Volpe, in their relentless pursuit of documenting new species, stumbled upon this mysterious insect near the popular swimming destination Edith Falls, a two-hour drive south of Darwin. Their discovery is a reminder that even in familiar surroundings, hidden wonders of the natural world await discovery.

parasitic ghost wasp

A Haunting Encounter for the Resin Bee

While its name might evoke ghostly images, the mam-burrumurl is a real-life nightmare for resin bees. This parasitic ghost wasp sneaks its eggs into the bee’s nest, leaving its larvae to hatch and feed on the unsuspecting bee larvae. Despite its morbid life cycle, the parasitic ghost wasp’s striking appearance and unique behaviors make it a marvel for the insect world.

parasitic ghost wasp

Nick Volpe describes it as an “elegant-looking wasp with a beautiful red body and a long, slender black ovipositor,” a feature that helps the wasp lay its eggs deep into the bee’s nest. For Kania and Volpe, the discovery was nothing short of extraordinary, with Kania stating that such moments underscore how much remains undiscovered, particularly when it comes to smaller creatures like invertebrates.

The Joy of Discovery

For Kania and Volpe, the moment they first encountered the mam-burrumurl was one they won’t forget. On one of their routine explorations through Nitmiluk National Park, a ranger tipped them off to an area teeming with flying insects near his house. It was here, on the ranger’s screen door, that the photographers spotted the parasitic ghost wasp parasitizing a bee. Overcome with excitement, Kania recalls how they “freaked out” upon realizing they had likely found something new.

parasitic ghost wasp

Their instinct was confirmed when they reached out to Dr. Ben Parslow, an expert in the Gasteruption genus of parasitic ghost wasps. Upon seeing the photographs, Dr. Parslow immediately recognized that this was an undescribed species. “As soon as I saw it, I knew it was something new,” he said. With its elongated body and bright red-and-black coloring, the mam-burrumurl stood out even among Australia’s rich diversity of wasps.

What Makes the Mam-burrumurl Unique?

The mam-burrumurl is unlike most other wasps native to Australia. At about one centimeter long, it is relatively large for a parasitic ghost wasp in its genus. Its graceful, slender frame and vivid coloration make it visually striking, but it’s the wasp’s behavior that sets it apart.

parasitic ghost wasp

Similar to other wasps in the Gasteruption genus, the mam-burrumurl flies in a zig-zag pattern, a feature that likely helps it locate the nests of its bee hosts. Once it identifies a target, the wasp uses its ovipositor to lay eggs inside the bee’s nest, ensuring the survival of its offspring at the expense of the bee’s young.

Naming the Parasitic Ghost Wasp: Mam-burrumurl

The photographers collaborated with the Jawoyn traditional owners of Nitmiluk National Park to give the wasp its distinctive name. In the Jawoyn language, “mam” means ghost and “burrumurl” means wasp, a fitting name for such an elusive and haunting creature.

parasitic ghost wasp

This collaboration underscores the importance of local knowledge and Indigenous languages in understanding and preserving biodiversity. It also highlights the continued partnership between scientists, local communities, and conservationists in discovering and protecting Australia’s unique wildlife.

Why This Discovery Matters

According to Dr. Parslow, this new discovery is significant because it provides a better understanding of the complex relationship between parasitic ghost wasp and the bees they target. Like many Australian insects, very little is known about the mam-burrumurl’s biology or its role in the ecosystem.

“Each new discovery helps us piece together the puzzle of how these creatures coexist and evolve,” Dr. Parslow explains. “While they may not capture the same attention as Australia’s cuddly mammals, wasps like the mam-burrumurl are vital to maintaining healthy ecosystems.”

parasitic ghost wasp

Understanding the behavior of these parasitic ghost wasps can also help scientists gauge the health of native bee populations, which are crucial pollinators in many environments. By studying the mam-burrumurl, researchers can assess the impact of environmental changes, climate shifts, and other factors on both the wasps and the bees they rely on.

A World of Species Yet to Be Found

Australia is home to around 10,000 described species of wasp, but experts believe that there could be at least three times as many still awaiting discovery. For Kania and Volpe, this drives their passion to continue searching for new species and sharing their love of insects with others.

parasitic ghost wasp

They have even begun inspiring the next generation of explorers. During visits to local schools near Nitmiluk National Park, the pair introduces students to scorpions, spiders, and of course, the mam-burrumurl parasitic ghost wasp. Through these presentations, they hope to spark a curiosity in children that could one day lead to more discoveries.

The Importance of Documenting Biodiversity

Kania stresses the urgency of documenting species like the mam-burrumurl, particularly in the face of rapid climate change and biodiversity loss. “In a world where we are constantly seeing shifting baselines, it’s crucial that we record these species now, before they disappear,” she says.

parasitic ghost wasp

Understanding what species exist today helps scientists track the changes that are happening in ecosystems and make informed decisions about conservation efforts. Each discovery adds to the ledger of biodiversity, offering a clearer picture of what we stand to lose and why it’s worth protecting.

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