About 3/4 of all wild bee species nest in the soil and spend much of their life cycle
underground. These insects require suitable environmental conditions for nest construction …

Nectar is one of the most important resources used by bees. It has long been known that
some bees concentrate nectar externally with their mouthparts, including honey bees and …

Pathogens and parasites of solitary bees have been studied for decades, but the
microbiome as a whole is poorly understood for most taxa. Comparative analyses of …

Harrison's rule, that body size is positively correlated between parasites and hosts, has been
reported in a range of taxa, but whether the rule is applicable to cleptoparasitic insects is …

Some species of bees restrict foraging to the twilight period before sunrise or after sunset.
Among the plants sought by these nocturnal bees are species described as …

Solitary bees (Hymenoptera: Insecta) are key pollinators for natural ecosystems and
agricultural crops. Unlike social bees, such as bumblebees and honeybees, solitary bees …

This study aimed to characterize the reproductive system and determine the importance of
pollinators for fruit production of Caryocar brasiliense, an economically important tree, in …

Here we present the first description of nest architecture, immature stages, and brood-
parasitism of Andrena (Callandrena sl) asteris (Aster Miner Bee) and the first description of …

Fully fed larvae of three Australian bee species formerly classified as Colletidae:
Paracolletini are described and compared in light of recent phylogenetic studies. Two of …

Discovery of an extensive nesting aggregation of Paracolletes crassipes in southwestern
Western Australia enabled the first study of the nesting biology of this species and its genus …