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First Records of the Adventive Pseudoanthidium nanum (Mocsáry) (Hymenoptera: Megachilidae) in Illinois and Minnesota, with Notes on its Identification and Taxonomy
We report the first records of Pseudoanthidium nanum (Mocsáry) (Hymenoptera: Megachilidae) in Illinois and Minnesota in 2016 and 2018, respectively. This represents a relatively rapid expansion sinceExpand
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Convergent evolution of pollen transport mode in two distantly related bee genera (Hymenoptera: Andrenidae and Melittidae)
Purposeful transport of pollen represents a key innovation in the evolution of bees from predatory wasps. Most bees transport pollen on specialized hairs on the hind legs or ventral metasoma in oneExpand
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Local extinction of a rare plant pollinator in Southern Utah (USA) associated with invasion by Africanized honey bees
Twenty-five years ago, Arctomecon humilis, a pollinator-dependent, endangered poppy globally restricted to the extreme northeastern Mojave Desert in southwestern Utah, was pollinated by native beeExpand
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Pollinator size and its consequences: Robust estimates of body size in pollinating insects
Abstract Body size is an integral functional trait that underlies pollination‐related ecological processes, yet it is often impractical to measure directly. Allometric scaling laws have been used toExpand
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Megachile ( Megachile ) montivaga (Hymenoptera: Megachilidae) nesting in live thistle (Asteraceae: Cirsium)
Although Megachile Latreille (leafcutter bees) are well known for their diverse nesting habits, records of the genus nesting in live plants are rare.  Here, we report the widespread Megachile (Expand
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Floral resource diversity drives bee community diversity in prairie restorations along an agricultural landscape gradient
There are four files for this analysis. The Species Data includes information on what bees were collected at which sites. The site by round file contains the site information in a site by roundExpand
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Taxonomic revision of Perdita subgenus Heteroperdita Timberlake (Hymenoptera: Andrenidae), with descriptions of two ant-like males.
Perdita subgenus Heteroperdita Timberlake, a distinctive subgenus of 22 species from the southwestern United States and adjacent Mexico, all specialists on Tiquilia (Boraginaceae), is revised. NineExpand
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Association of the female of Perdita (Xeromacrotera) cephalotes (Cresson), and a replacement name for Perdita bohartorum Parker (Hymenoptera: Andrenidae).
The monotypic Perdita subgenus Xeromacrotera Timberlake is currently known only from the male sex. Here, the female of Perdita (Xeromacrotera) cephalotes (Cresson, 1878) is associated, resulting inExpand
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A Review and Updated Classification of Pollen Gathering Behavior in Bees (Hymenoptera, Apoidea)
Pollen is the primary protein and nutrient source for bees and they employ many different behaviors to gather it. Numerous terms have been coined to describe pollen gathering behaviors, creatingExpand
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The State of Bee Monitoring in the United States: A Call to Refocus Away From Bowl Traps and Towards More Effective Methods
Abstract Effective monitoring is necessary to provide robust detection of bee declines. In the United States and worldwide, bowl traps have been increasingly used to monitor native bees andExpand
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