Hylaeus spp – Masked BeeHylaeus (Prosopisteron) Hylaeus albonitens Hylaeus alcyoneus Hylaeus constrictiformis Hylaeus douglasi Hylaeus elegans Hylaeus euxanthus Hylaeus maiellus Hylaeus nubilosus Hylaeus proximus Hylaeus ruficeps Hylaeus (Prosopisteron) sanguinipictus Hylaeus theodorei Hylaeus violaceus Hylaeus vittatifrons

In the following image is the Hylaeus (Gnathoprosopis) euxanthus bubbling on the Callistemon, the content of the bubble being stored in the metasoma (referring to the thorax and abdomen of the bee).

Hylaeus (Gnathoprosopis) euxanthus bubbling © Marc Newman
Hylaeus (Gnathoprosopis) euxanthus bubbling, Ballandean QLD © Marc Newman

These images show Hylaeus (Gnathoprosopis) euxanthus yellow bubbles. The nectar is yellow because of ingested pollen. It is one way of concluding that the bee is female, as the males create clear bubbles.

Hylaeus (Gnathoprosopis) euxanthus bubbling © Marc Newman
Hylaeus (Gnathoprosopis) euxanthus bubbling, Dalcouth QLD © Marc Newman
Hylaeus (Gnathoprosopis) euxanthus bubbling © Marc Newman
Hylaeus (Gnathoprosopis) euxanthus bubbling, Ballandean QLD © Marc Newman

Check out our Bees Southern Downs > Hylaeus euxanthus – in the bee hotel.


  • Scientific classification
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Subphylum: Hexapoda
  • Class: Insecta
  • Informal: Pterygotes
  • Order: Hymenoptera
  • Superfamily: Apoidea
  • Informal: Apiformes
  • Family: Colletidae
  • Subfamily: Hylaeinae
  • Genus: Hylaeus
  • Subgenus: infrageneric Gnathoprosopis
  • Species: Hylaeus euxanthus

Footnote & References

  1. Photographs © Marc Newman, Flickr, https://flickr.com/photos/koolbee/albums
  2. Hylaeus (Gnathoprosopis) euxanthus (Cockerell, 1910), Atlas of Living Australia, https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:44813fef-527b-458a-9db6-9ccbca9ae119
  3. Bubbling Bees < Bee Behaviour < Ausemade

Hylaeus spp – Masked BeeHylaeus (Prosopisteron) Hylaeus albonitens Hylaeus alcyoneus Hylaeus constrictiformis Hylaeus douglasi Hylaeus elegans Hylaeus euxanthus Hylaeus maiellus Hylaeus nubilosus Hylaeus nubilosus Mud nest Hylaeus nubilosus Yellow Mask / White Mask Hylaeus proximus Hylaeus ruficeps Hylaeus (Euprosopoides) ruficeps ruficeps Hylaeus (Prosopisteron) sanguinipictus Hylaeus theodorei Hylaeus violaceus Hylaeus vittatifrons

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