Bembix

Bembix

Classification

Pronunciation

How to pronounce Bembix: /ˈbɛm.bɪks/

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

Images

Bembix americana (35702541273) by Melissa McMasters from Memphis, TN, United States. Used under a CC BY 2.0 license.
Bembix americana 293385132 by Pete Lypkie. Used under a CC BY 4.0 license.
Bembix americana 286369696 by Sus scrofa. Used under a CC BY 4.0 license.
Sand Wasp - Bembix texana, Sapelo Island, Georgia by Judy Gallagher. Used under a CC BY 2.0 license.
Bembix amoena - Flickr - S. Rae by S. Rae from Scotland, UK. Used under a CC BY 2.0 license.
Stictia signata female BIML USGS by USGS Bee Inventory and Monitoring Laboratory. Used under a Public domain license.

Summary

Bembix is a large cosmopolitan genus of large, often brightly colored predatory sand wasps, consisting of approximately 380 species. They are known for their nesting behavior and rapid digging abilities in sandy environments.

Physical Characteristics

Abdomen black with broad white, yellowish, or light bluish curving bands that often meet at the dorsal midline.

Identification Tips

Look for large predatory wasps with distinct banding on the abdomen, often seen digging in sandy areas.

Habitat

Usually sandy areas; nest holes are dug in the sand; best observed on dunes or where vegetation is sparse.

Distribution

Throughout North America; about 350 species worldwide.

Diet

Females provision their nests with flies which the larvae feed on.

Life Cycle

Provisioning is progressive; females provide a greater number of prey over subsequent days during larval growth.

Reproduction

Nest in aggregations; females lay eggs in the provisioned nests.

Predators

Potential predators are met with mobbing behavior by males.

Ecosystem Role

Predatory wasps that help control fly populations.

Collecting Methods

  • Netting adults during flight
  • Excavating nests

Preservation Methods

  • Pinning specimens
  • Preserving in alcohol

Similar Taxa

Misconceptions

'Bembex' is a misspelling of 'Bembix'.

Tags

  • Bembix
  • Sand Wasps
  • Hymenoptera
  • Crabronidae