New data on resin bees belonging to <i>Trachusa </i>(Hymenoptera: Megachilidae) from eastern Africa

A new species of <i>Andrena</i> (<i>Labergeia</i>) from Texas with an unusual phenology and floral host, including a redescription of <i>Labergeia</i> (Hymenoptera: Andrenidae)

Nesting material preferences of cavity-nesting insects in man-made insect hotels

First record of an adventive hylaeine bee in Southeast Asia: The Australian <i>Hylaeus albonitens</i> (Cockerell) in Singapore (Hymenoptera: Colletidae)

An eagerness for conspecifics: The distribution of nests of the sunflower leafcutting bee, <i>Megachile pugnata</i> (Megachilidae), when nesting cavities are in excess

Ecuadorian bumble bees (Apidae: <i>Bombus</i>): Species diversity, distribution, and floral associations

New data on resin bees belonging to <i>Trachusa </i>(Hymenoptera: Megachilidae) from eastern Africa

A new species of <i>Andrena</i> (<i>Labergeia</i>) from Texas with an unusual phenology and floral host, including a redescription of <i>Labergeia</i> (Hymenoptera: Andrenidae)

Nesting material preferences of cavity-nesting insects in man-made insect hotels

First record of an adventive hylaeine bee in Southeast Asia: The Australian <i>Hylaeus albonitens</i> (Cockerell) in Singapore (Hymenoptera: Colletidae)

An eagerness for conspecifics: The distribution of nests of the sunflower leafcutting bee, <i>Megachile pugnata</i> (Megachilidae), when nesting cavities are in excess

Ecuadorian bumble bees (Apidae: <i>Bombus</i>): Species diversity, distribution, and floral associations