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Spatial patterns of bee captures in North American bowl trapping surveys
Abstract.  1. Bowl and pan traps are now commonly used to capture bees (Hymenoptera: Apiformes) for research and surveys.
The pollination efficiency of the squash bee (Peponapis pruinosa) and the honey bee (Apis mellifera) on summer squash (Cucurbita pepo)
TLDR
There appears to be little difference between the species as pollinators of squash when all parameters are considered, and most pollination was accomplished by squash bees before honey bees appeared in numbers on the plant. Expand
SEX RATIO, BODY SIZE AND SEASONALITY IN A SOLITARY BEE, OSMIA LIGNARIA PROPINQUA CRESSON (HYMENOPTERA: MEGACHILIDAE)
TLDR
This study is, in part, an empirical test of sex ratio theory using a solitary bee, Osmia lignaria propinqua Cresson, to test the accuracy of theoretical formulations and document seasonal variability in the sex ratio. Expand
Phenotypic variability in nesting success among Osmia lignaria propinqua females in a glasshouse environment: (Hymenoptera: Megachilidae)
Abstract. 1. The phenotypic variability of several estimates of fitness among seventeen nesting female O.lignaria Cresson was examined in a glasshouse provided with abundant resources.
Might Flowers of Invasive Plants Increase Native Bee Carrying Capacity? Intimations From Capitol Reef National Park, Utah
TLDR
It is argued that invasives with entomophilous flowers are unlikely to either facilitate the reproduction of uncommon native plants or consistently compete with them for pollinators, and are likely, over time, to selectively increase the carrying capacity and population size of native bees. Expand
Pollen‐host specificity and evolutionary patterns of host switching in a clade of specialist bees (Apoidea: Diadasia)
TLDR
Diadasia species are more likely to use host-plant families that are used by other Diadasia and Emphorine bees; however, there was no evidence of residual adaptation to ancestral hosts, and diet breadth appears to be a labile trait. Expand
Effect of rearing temperature on mortality, second-generation emergence, and size of adult in Megachile rotundata (Hymenoptera: Megachilidae)
TLDR
Rearing M. rotundata immatures at temperatures of ≤24°C is ineffective in increasing the number of diapausing bees and has the additional detrimental effects of increasing preoverwintering mortality (particularly of females) and of reducing size of adults. Expand
Consistent mixing of near and distant resources in foraging bouts by the solitary mason bee Osmia lignaria
TLDR
Preliminary data suggest that the efficiencies of pollen and nectar collection are inversely related between the two flower species, which would favor visitation to both species. Expand
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