• Corpus ID: 81890842

Mechanisms involved in the pollination of Penstemon visited by the Masarid wasp, Pseudomasaris vespoides (Cresson) (Hymenoptera: Vespoidea)

@article{Torchio1974MechanismsII,
  title={Mechanisms involved in the pollination of Penstemon visited by the Masarid wasp, Pseudomasaris vespoides (Cresson) (Hymenoptera: Vespoidea)},
  author={Phillip F. Torchio},
  journal={Pan-pacific Entomologist},
  year={1974},
  volume={50},
  pages={226-234}
}
  • P. Torchio
  • Published 1974
  • Biology
  • Pan-pacific Entomologist
The origin and evolution of pollen transport in bees (Hymenoptera: Anthophila)
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A new hypothesis is proposed that pollen transport arose from adult pollen-feeding behavior and that internal transport of pollen is ancestral in bees, and represents the first in-depth hypothesis to explain how external transport of moistened pollen could have evolved.
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This classification sets the groundwork for further research on various topics, including behavioral plasticity in different species, comparisons between generalists and specialists, and the relative effectiveness of different pollen gathering behaviors.
Mortality and Flowering of Great Basin Perennial Forbs after Experimental Burning: Implications for Wild Bees☆
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The postfire fate of plant-pollinator interactions is a function of the bees' nesting habits, their floral host's sensitivity to a given burn intensity (both in terms of survival and flowering), and the reproductive interdependence of bee and floral host (taxonomic specialists vs. generalists).
Foraging Behavior, Taxonomy, and Morphology of Bees (Hymenoptera: Apoidea), with an Emphasis on Perdita (Hymenoptera: Andrenidae)
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. Nine
Generalist Bees Pollinate Red-flowered Penstemon eatonii: Duality in the Hummingbird Pollination Syndrome
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It is found that foraging female generalist bees deposited substantial amounts of conspecific pollen on P. eatonii stigmas, indicating that derived floral traits that attract and position nectar-foraging hummingbirds for efficient pollen export need not compromise pollination and seed production that result from visitation by generalist Bees seeking pollen and/or nectar.
The oligolectic bee Osmia brevis sonicates Penstemon flowers for pollen: a newly documented behavior for the Megachilidae
TLDR
The oligolectic megachilid bee Osmia brevis was found audibly sonicating two of its beardtongue pollen hosts, Penstemon radicosus and P. cyananthus, which resembles the familiar sounds of bumblebees buzzing, in this case while visiting P. strictus flowers.
Bumblebee pollination and reproductive biology of Rhododendron semibarbatum (Ericaceae)
TLDR
Investigation of the reproductive characteristics and pollination system of Rhododendron semibarbatum in Honshu, Japan found differences in resource requirements between the two pollinators, representing different castes, might affect their behavior, resulting in B. ardens males contributing to more effective seed production.
Links between floral morphology and floral visitors along an elevational gradient in a Penstemon hybrid zone
TLDR
There is some potential for ecological isolation in the pollinator community, 11 common pollinator species visited both parent species and could be contributing to hybrid formation, and this system highly generalized compared to previous studies of visitation in hybrid zones.
THE EFFECT OF STAMINODE REMOVAL ON FEMALE REPRODUCTIVE SUCCESS IN A WYOMING POPULATION OF THE ENDANGERED BLOWOUT PENSTEMON, PENSTEMON HAYDENII (SCROPHULARIACEAE)
ABSTRACT We examined the effect of removing the staminode of the rare Blowout penstemon, Penstemon haydenii, on female reproductive success in a south-central Wyoming population. We found no
Pollination biology of a disjunct population of the endangered sandhills endemic Penstemon haydenii S. Wats. (Scrophulariaceae) in Wyoming, USA
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Wyoming plants are found to be self-incompatible and pollinator-dependent for sexual reproduction and several possible explanations are discussed for seed limitation, including a scarcity of pollinators early in the flowering season.
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