Lasioglossum planatum

(Lovell, 1905)

Flattened Sweat Bee

Lasioglossum planatum is a small sweat bee in the subgenus Dialictus, resurrected from synonymy in a 2010 taxonomic revision of Canadian metallic Lasioglossum. It is one of over 1,700 in the Lasioglossum, the largest genus of bees. Like other Dialictus species, it is a ground-nesting with variable social . The species occurs in northeastern North America, with confirmed records from Vermont.

Lasioglossum dialictus,L. obscurum or L. planatum Zool 427 Team 8 Morphospecie 1 Lateral view by Zesandvich
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Pronunciation

How to pronounce Lasioglossum planatum: /ˌlæsiˈoʊɡlɒsəm pləˈneɪtəm/

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Identification

L. planatum can be distinguished from similar metallic Dialictus using the diagnostic keys provided in Gibbs (2010), which separates it from previously confused based on morphological characters. As a resurrected species, it was historically misidentified under other names. Identification requires examination of microscopic features; field identification to species is not reliable without specimen analysis.

Images

Distribution

Northeastern North America. Confirmed present in Vermont, United States. The was included in the Canadian revision, suggesting occurrence in Canada, though specific Canadian provinces are not documented in available sources.

Similar Taxa

Other Lasioglossum (Dialictus) speciesL. planatum was historically synonymized with other and requires careful morphological examination to distinguish from closely related metallic Dialictus in the same region.
Lasioglossum versatumAmong the with which L. planatum was previously confused; distinguished by characters in Gibbs (2010) revision.