Mason bees and relatives

Osmiini

Classification

Pronunciation

How to pronounce Osmiini: /ɒˈsmiˌaɪni/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Chelostoma rapunculi, f, back, warren, nyu 2014-07-05-18.38.51 ZS PMax by Sam Droege. Used under a Public domain license.
Chelostoma campanularum 107606679 by Paul Prior. Used under a CC BY 4.0 license.
Chelostoma philadelphi, m, face, Hardy Co., WV 2017-05-26-18.22 (37061952296) by USGS Bee Inventory and Monitoring Lab from Beltsville, Maryland, USA. Used under a Public domain license.
Chelostoma rapunculi, M, Face, MA, Middlesex County 2014-02-27-15.13.02 ZS PMax (12927119073) by USGS Bee Inventory and Monitoring Lab from Beltsville, Maryland, USA. Used under a Public domain license.
Heriades carinata, F, Side, VA, Wolftrap 2013-06-26-17.16.06 ZS PMax (48760450697) by Yellowstone National Park. Used under a Public domain license.
IMG 3868.5.23.w by Polinizador, Beatriz Moisset. Used under a CC BY-SA 4.0 license.

Summary

Osmiini is a diverse tribe of bees comprising leafcutter, mason, and resin bees, important for pollination and found in various habitats globally except in select continents.

Physical Characteristics

Osmiini bees have conspicuous arolia, which distinguish them from other tribes like Megachile. They exhibit variation in body size and shape across different genera.

Identification Tips

Look for the presence of arolia on the feet and the morphological traits associated with specific genera. Identification may require expert examination.

Habitat

These bees occupy a range of habitats, often found in environments with abundant flowering plants, including gardens, meadows, and forests.

Distribution

Osmiini are distributed across all continents except for South America, Australia, and Antarctica. In North America, there are more than 300 species across 8 genera.

Diet

As pollinators, Osmiini primarily feed on nectar and pollen from flowering plants.

Life Cycle

Osmiini undergo complete metamorphosis, consisting of egg, larval, pupal, and adult stages.

Reproduction

Many species are solitary, with females constructing individual nests. They typically lay eggs in various substrates, including plant materials and soil.

Predators

Predators may include birds, other insects, and small mammals that consume bees or their larvae.

Ecosystem Role

Osmiini play a crucial role in pollination, contributing to the health and reproduction of various plant species.

Economic Impact

Some species are beneficial for agriculture as pollinators of crops and wild plants, enhancing yields.

Collecting Methods

  • Net collection during flight
  • Nesting site sampling
  • Trap nesting techniques

Preservation Methods

  • Drying specimens
  • Preserving in ethanol
  • Pinning for display purposes

Evolution

The tribe Osmiini is part of the family Megachilidae and has diversified into various genera, adapting to different ecological niches and floral resources.

Similar Taxa

Misconceptions

Some may confuse Osmiini with other bee groups, assuming they behave similarly despite their distinct nesting habits.

Tags

  • Osmiini
  • Mason bees
  • Megachilidae
  • Pollinators
  • Beekeeping