Super-tongued Resin Bees

  • Name: Stenoheriades
  • Rank: genus
  • Parent ID: 465612

ID: 574196

Stenoheriades: Unveiling the Remarkable Super-Tongued Resin Bees

In the vast and diverse world of bees, one group stands out for its exceptional tongue length and unique nesting habits – the Super-tongued Resin Bees, scientifically known as Stenoheriades. These fascinating bees, belonging to the Megachilidae family, possess extraordinary adaptations that enable them to collect nectar from deep flowers and construct intricate nests. Join us as we explore the intriguing world of Stenoheriades bees and uncover their remarkable characteristics and ecological significance.

Ecology and Distribution:

Stenoheriades bees can be found in various regions across the globe, with species identified in North America, Europe, and parts of Asia. These adaptable bees have established themselves in diverse habitats, including forests, grasslands, and urban environments. Their distribution reflects their ability to exploit a wide range of floral resources and nesting substrates.

Characteristics and Adaptations:

What sets Stenoheriades bees apart from other bee species is their unique tongue morphology. These bees possess an exceptionally long tongue, allowing them to access nectar from flowers with deep corollas. The length of their tongue, which can exceed their body length, provides them with a distinct advantage in foraging from specialized flowers that are inaccessible to many other pollinators.

Stenoheriades bees are of moderate size, typically measuring around 8 to 15 millimeters in length. They display a range of colors, including metallic shades of green, blue, and purple, as well as more subdued hues of black and brown. Their vibrant colors and distinctive tongue adaptations make them visually captivating and easily recognizable.

Nesting and Life Cycle:

Stenoheriades bees exhibit solitary nesting behavior, with each female constructing and provisioning her own nest. They typically nest in pre-existing cavities such as hollow plant stems or woodpecker holes. To line their nests, these resourceful bees utilize resin collected from various plant sources, creating protective compartments for their offspring.

The nests of Stenoheriades bees are a marvel of precision and organization. The female constructs a series of individual brood cells, separating each cell with partitions made of resin. Within each cell, she provisions a mixture of pollen and nectar as food for the developing larva. Once the larva hatches, it feeds on the stored provisions until it undergoes metamorphosis and emerges as an adult bee.

Pollination and Plant Interactions:

Stenoheriades bees are highly efficient pollinators, with their long tongues enabling them to access nectar from specialized flowers. As they forage for nectar, their bodies become coated with pollen, which they inadvertently transfer from the male to the female reproductive structures of flowers. This process facilitates cross-pollination, ensuring the reproductive success and genetic diversity of various plant species.

While the specific plant preferences of Stenoheriades bees may vary across species, they commonly visit flowers with deep corollas, including those from the Asteraceae (aster or daisy family), Lamiaceae (mint family), and Fabaceae (legume family). By pollinating these specialized flowers, Stenoheriades bees contribute to the survival and evolution of plant species that rely on their unique adaptations.

Conservation and Importance:

As with many other pollinators, Stenoheriades bees face threats to their populations. Habitat loss, pesticide use, and climate change are significant challenges that can impact their abundance and distribution. Conserving their natural habitats, promoting the availability of suitable nesting sites, and reducing pesticide exposure are crucial steps in protecting these remarkable bees.

Creating pollinator-friendly habitats, planting diverse flowering plants, and adopting sustainable agricultural practices are vital actions that individuals, communities, and policymakers can take to support the conservation of Stenoheriades bees and the ecosystems they inhabit.


Stenoheriades bees, with their remarkable super-tongues and intricate nesting behaviors, exemplify the ingenuity and resilience of nature’s pollinators. Their ability to access nectar from deep flowers plays a crucial role in the reproduction and diversity of plant species. By understanding and appreciating the exceptional adaptations of Stenoheriades bees, we can foster conservation efforts that protect these valuable creatures and preserve the delicate balance of our ecosystems for future generations.