Trisha Shetty (Editor)

Lasioglossum vierecki

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Kingdom  Animalia
Class  Insecta
Subfamily  Halictinae
Phylum  Arthropoda
Rank  Species
Subphylum  Hexapoda
Family  Halictidae
Tribe  Halictini
Genus  Lasioglossum
Order  Hymenopterans
Lasioglossum vierecki httpsuploadwikimediaorgwikipediacommonsthu
Similar  Lasioglossum, Hymenopterans, Lasioglossum leucozonium, Lasioglossum zephyrum, Augochlora pura

Lasioglossum vierecki, also known as Dialictus vierecki and Halictus vierecki, is a sand sweat bee and is part of the family Halictidae of the order Hymenoptera. It is found in the Eastern half of the United States from Minnesota to the New England States down to Georgia and Louisiana and up in Manitoba and Ontario. Commonly found in sandy areas, it pollinates various flowers such as grass-leaved goldenrod and the rattlesnake master.


Taxonomy and phylogeny

Lasioglossum vierecki is part of the subfamily Halictinae within the hymenopteran family Halictidae. L. vierecki is the largest species within the halictid subfamily and is composed of five tribes. L. vierecki is part of tribe Halictini, which is made up of over 2000 species. Genus Lasioglossum is informally divided into two series: the Lasioglossum series and the Hemihalictus, of which L. vierecki is part of the former. It is part of the subgenus Dialictus, which is mostly composed of New World species, and is most closely related to L. gundlachii, L. umbripenne, L. parvum, and L. tegulare.

Description and identification

L. vierecki can be distinguished by its extremely hairy, orange-yellow abdomen with clear golden yellow hair on its scutellum, and pits touching the scutellum. There are several other differences from bees that have similar colored abdomen. Its antennae is darker on the bottom half, and the rugae reaches the top of the metathorax, which has narrowly-spaced punctures. Though the abdomen has punctures as well, it does not have a bronze-colored reflection and is not smooth and shiny. The mesonotum, which is the same color as the abdomen, is not smooth and polished in the middle and has small punctures. The first abdominal segment differs from other segments due to its bluer color and punctures. The legs are lighter but not polished.


Female L. vierecki are distinguished by extensively yellow legs with a brown tint on the top half of the clypeus, a pale yellow-brown metasoma, and a very dense, slightly yellow tomentum on the mesosoma, metasomal terga, and head.


Male L. vierecki are recognized by their smaller size and many punctures on the scutum of their middle thoracic segment.

Distribution and habitat

L. vierecki is found in the Eastern United States from Minnesota to the New England states and south to Louisiana and Georgia as well as in Canada in Manitoba and Ontario. They are known as sand specialist bees, which means that they only nest in sand or only visit plants restricted to sand.

Flowers visited

L. vierecki pollinates several flowers throughout the Eastern part of the United States.

In New Jersey they have been found on the following genera of flowers:

  • Ceanothus
  • Hydrangea
  • Rubus
  • Specularia
  • Helianthus
  • Monarda
  • Solidago
  • More specifically, in Illinois, they have been found on:

    Behavior and ecology

    L. vierecki is considered a solitary bee. These types of bees exhibit solitary behavior, where a female raises the entire brood by herself and lives alone in her own nest. This behavior could have evolved from eusociality.

    Colony Cycle

    L. vierecki is active between April and September.

    Human Importance

    Since L. vierecki and other native bees have become more important for agriculture due to the decline in population of honey bees, there are new efforts to sustain and promote these species. Some farmers are now raising native plants that these bees feed off of, in order to ensure that their farming practices don't negatively affect the native bee population.


    Lasioglossum vierecki Wikipedia

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