Bee Taxa: Eulaema


Welcome to the buzzing world of Eulaema bees, a diverse group of pollinators that play a crucial role in ecosystems around the world. These fascinating insects are known for their distinctive physical characteristics, intricate social behaviors, and vital ecological importance.


The genus name Eulaema is derived from the Greek words “eu” meaning good, and “lema” meaning husk, referring to the bees’ smooth, polished appearance.

Physical Characteristics

Each member of the Eulaema genus showcases a unique set of physical traits that distinguish them from other bee taxa. These traits can vary widely and include:

Identifiable Traits

  • Body Shape: Euceriform
  • Coloring: Metallic blue and green
  • Antennae: Medium
  • Hair: Dense, hairy thorax, and abdomen
  • Abdomen: Striped
  • Other Important Physical Characteristics: Large size, powerful mandibles, and efficient pollen-carrying structures

Ecological Significance

Eulaema bees are vital pollinators that contribute to the reproduction of countless plant species. Their foraging activities facilitate the transfer of pollen, enabling plants to produce fruits and seeds. This ecosystem service is crucial for maintaining biodiversity and supporting food production.


These bees can be found in diverse habitats across Central and South America, where they play a crucial role in pollinating native flora and agricultural crops.

Social Behavior

Eulaema bees exhibit complex social structures within their colonies, with distinct roles for workers, drones, and the queen. They communicate through intricate dances and pheromones, ensuring the smooth functioning of the hive.

Nesting Practices

These bees construct their nests in cavities such as hollow tree trunks or abandoned burrows. The females meticulously arrange pollen and nectar to provide food for their developing offspring.

Floral Specialization

Many Eulaema species display preferences for specific types of flowers, forming specialized relationships with particular plant species. This floral specialization enhances their efficiency as pollinators.

Natural Predators

Despite their impressive defenses, Eulaema bees face threats from various predators, including birds, insects, and mammals. Adaptations such as stings and warning coloration help deter potential threats.

Conservation Status

Due to habitat loss, pesticide use, and climate change, some Eulaema species are facing population declines. Conservation efforts are crucial to safeguard these important pollinators and maintain ecosystem balance.

Human Impact

Humans rely heavily on Eulaema bees for pollination services in agriculture. By adopting sustainable practices and reducing pesticide use, we can support these vital pollinators and protect our food supply.

Interesting Facts

– The intricate dances performed by Eulaema bees communicate precise information about food sources and nesting locations.
– Some species of Eulaema have evolved specialized adaptations to collect and carry pollen more effectively.
– The metallic sheen of these bees’ exoskeletons serves both aesthetic and functional purposes, aiding in thermoregulation and camouflage.


For more information on Eulaema bees and their ecological significance, please refer to the following scientific studies:
Study 1: Ecological interactions of Eulaema bees
Study 2: Nesting behavior of Eulaema species


  • Name: Eulaema
  • Rank: subgenus
  • Eulaema is a genus of large-bodied euglossine bees that occur primarily in the Neotropics.

    • Nesting: Unknown
    • Pollen Carrying Method: Corbiculae (Pollen Baskets)
    • Foraging: Polylectic
    • Size: Medium, 12-25 mm.
    • Average Length: 20 mm
    • Body Type: Bombiform
    • Coloring: blue, yellow, green, unknown
    • Pattern: striped, bands, unknown
    • Sociality: Solitary, Communal
    • Wings: Robust, hairy, strong fliers, endurance-optimized, colorful
    • Eyes: Large, hairy, compound
    • Mandibles: Moderately elongated, robust.
    • Sting: Sting, pain: moderate, aggression: moderate
    • Tarsal Claws: Foretarsi forked claws
    • Abdomen: Yellow, often metallic markings
    • Antennae: long
    • Hair: dense, colorful, metallic sheen
    • Colorado Native: false
    Additional Notes: – Genus of orchid bees (tribe Euglossini) – Primarily found in Central and South America – Males collect aromatic compounds from flowers and other sources – Known for their metallic coloration, often blue or green – Important pollinators for many tropical plants, especially orchids – Exhibit strong sexual dimorphism – Can fly long distances, aiding in genetic diversity of plants they pollinate

    Identification Tips: Eulaema Identification Tips: – Large, robust bees with metallic coloration – Typically metallic green, blue or red – Males often display large tufts of hair on their hind legs – Females usually have shorter hairs on their legs – Long tongue, often visible when feeding on flowers – Often seen near orchids or tropical flowers

    ID: 578252

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