Protandrenini

Protandrenini is a tribe of mining within the , Panurginae. The tribe comprises approximately 10–12 and at least 380 described . Members are primarily distributed in the Americas, with notable diversity in South America. The group is characterized by ground-nesting typical of mining bees, though detailed biological information varies among constituent genera.

Protandrenini by (c) RAP, some rights reserved (CC BY), uploaded by RAP. Used under a CC-BY license.

Anthemurgus by (c) Katherine Parys, some rights reserved (CC BY), uploaded by Katherine Parys. Used under a CC-BY license.

Pronunciation

How to pronounce Protandrenini: /proʊˌtænˈdrɛnɪnaɪ/

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Images

Habitat

Ground-nesting ; specific microhabitat preferences vary by and .

Distribution

Primarily distributed in the Americas, with significant diversity in South America including the Chacoan Subregion; some occur in North America.

Life Cycle

stages have been described for some , including Psaenythisca, Rhophitulus, and Cephalurgus.

Behavior

Nesting biology has been documented for select (Psaenythisca, Rhophitulus, Cephalurgus), indicating ground-nesting typical of mining .

Similar Taxa

PanurginiAnother tribe within Panurginae; Protandrenini distinguished by specific morphological and phylogenetic characteristics, though precise diagnostic features require examination.
CalliopsiniTribe within Panurginae; Protandrenini such as Parapsaenythia are characterized by strongly and hairy , features not shared with Calliopsini.

More Details

Taxonomic Uncertainty

The number of recognized varies among sources (9–12), with some authors treating subgenera listed under Protandrena as separate genera.