Halictini

Pronunciation

How to pronounce Halictini: //ˌhæ.lɪkˈtiː.naɪ//

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Summary

Halictini is a tribe of sweat bees noted for their significant ecological roles as pollinators, with diverse species and behaviors, predominantly found in the Old World.

Physical Characteristics

Sweat bees exhibit a range of colors from metallic greens, blues, and blacks to dull yellow. Many have a robust body structure with dense hair covering, which helps in pollen collection.

Identification Tips

Look for the characteristic smooth and shiny bodies of sweat bees. Many species produce a distinctive scent due to moisture, hence the name 'sweat bees' as they are often attracted to human perspiration.

Habitat

Halictini are found in various habitats including gardens, meadows, and grasslands. They are typically found in areas with abundant flowering plants that provide nectar and pollen.

Distribution

Over 380 species are found in 5 genera locally, with more than 2,800 species across 22 genera in four subtribes worldwide, predominantly in the Old World and poorly represented in the Oriental Region.

Diet

Halictini mainly feed on nectar and pollen from flowering plants. Some species are known to collect pollen primarily for their larvae.

Life Cycle

Lifecycle includes egg, larval, pupal, and adult stages. Female sweat bees typically nest in the ground, creating small burrows to rear their young.

Reproduction

Halictini are known for their reproductive strategies that include both solitary and communal nesting behavior, with some species exhibiting social characteristics.

Predators

Predators of Halictini include other insects like birds and larger predatory insects, as well as environmental factors impacting their nests.

Ecosystem Role

Halictini play a crucial role in pollination, supporting the growth of flowering plants and thereby contributing to ecological balance.

Cultural Significance

Some species are important for agricultural pollination, thus having an indirect impact on human food sources and landscapes.

Collecting Methods

• Netting
• Trapping with bait stations
• Collection from nests

Preservation Methods

• Ethanol preservation
• Pinning
• Freezing for short-term storage

Evolution

Halictini are a diverse and evolutionarily significant group within the Hymenoptera, showcasing interesting behaviors such as sociality and adaptation to various ecological niches.

Similar Taxa

• Other families of bees including Apidae (honey bees, bumble bees) and Megachilidae (leafcutter bees)
• Parasitic bees like those in the genus Sphecodes

Misconceptions

Some people confuse sweat bees with wasps due to their similar appearance, but they are generally less aggressive and more beneficial due to their pollination activities.

Tags

• Halictini
• sweat bees
• pollinators
• Hymenoptera
• bee diversity