introduction to the study of entomology
... class Entognatha have long been treated as insects, and thus are generally studied by entomologists too. The word “entognathology” may be proposed as the study of these non-insect hexapods, and the word “entognathologist” to describe those who study them. 2. What is an Insect? Insects are small anim ...
... class Entognatha have long been treated as insects, and thus are generally studied by entomologists too. The word “entognathology” may be proposed as the study of these non-insect hexapods, and the word “entognathologist” to describe those who study them. 2. What is an Insect? Insects are small anim ...
RECIPROCAL BENEFITS IN A PLANT
... abundances. In this study, I tested how reproduction of two mutualists—the bumble bee pollinator, Bombus appositus, and the perennial wildflower, Delphinium barbeyi— responded to natural and experimental changes in partner density and the resources they derive from each other (food for bees and poll ...
... abundances. In this study, I tested how reproduction of two mutualists—the bumble bee pollinator, Bombus appositus, and the perennial wildflower, Delphinium barbeyi— responded to natural and experimental changes in partner density and the resources they derive from each other (food for bees and poll ...
PDF copy - Friends of the Wild Flower Garden
... pollination to ecological systems, the pollination ecology of many plants is poorly known. At seven sites over three years, we studied the mating system, floral visitors and pollen limitation of turtlehead ( Chelone glabra L.), an eastern North America wetland herb. We found that the plant is autoga ...
... pollination to ecological systems, the pollination ecology of many plants is poorly known. At seven sites over three years, we studied the mating system, floral visitors and pollen limitation of turtlehead ( Chelone glabra L.), an eastern North America wetland herb. We found that the plant is autoga ...
specialized bees fail to develop on non-host pollen
... Abstract. Bees require large amounts of pollen for their own reproduction. While several morphological flower traits are known to have evolved to protect plants against excessive pollen harvesting by bees, little is known on how selection to minimize pollen loss acts on the chemical composition of po ...
... Abstract. Bees require large amounts of pollen for their own reproduction. While several morphological flower traits are known to have evolved to protect plants against excessive pollen harvesting by bees, little is known on how selection to minimize pollen loss acts on the chemical composition of po ...
Stony Ford Theses Publications
... • Goodman, W. M., 1980 Dominance and winter flocks of Chickadees and Titmice. Profs. J. W. Terborgh and H. S. Horn. H Kim, M. H., 1988, Risk sensitivity, foraging choice, feeder choice, and behavioral decisions in overwintering birds. Prof. H. S. Horn H Leithe, E., Jr., 1968, Confrontations at Stony ...
... • Goodman, W. M., 1980 Dominance and winter flocks of Chickadees and Titmice. Profs. J. W. Terborgh and H. S. Horn. H Kim, M. H., 1988, Risk sensitivity, foraging choice, feeder choice, and behavioral decisions in overwintering birds. Prof. H. S. Horn H Leithe, E., Jr., 1968, Confrontations at Stony ...
Pollinators in Rangelands
... such that pollen from one flower fertilizes another flower from the same individual plant or the same flower includes both male and female parts. Wind- or self-pollinated plants, including most grasses (Fig. 1), occur in large populations and typically transport pollen over relatively short distance ...
... such that pollen from one flower fertilizes another flower from the same individual plant or the same flower includes both male and female parts. Wind- or self-pollinated plants, including most grasses (Fig. 1), occur in large populations and typically transport pollen over relatively short distance ...
management of feral animals
... accepted normal distribution and which threaten valued environmental, agricultural or other social resources by the damage they cause. Many feral species were brought to Australia with the arrival of the European Settlers and either intentionally or accidentally released into the wild. Since these s ...
... accepted normal distribution and which threaten valued environmental, agricultural or other social resources by the damage they cause. Many feral species were brought to Australia with the arrival of the European Settlers and either intentionally or accidentally released into the wild. Since these s ...
moving towards ecological farming
... Grain crops like wheat, rice and corn, which make up a large part of global human diets, are mostly pollinated by wind and are not affected by pollinating insects. However, yields of many other plant species either rely upon or benefit from cross-pollination by bees. In fact, animal pollination resu ...
... Grain crops like wheat, rice and corn, which make up a large part of global human diets, are mostly pollinated by wind and are not affected by pollinating insects. However, yields of many other plant species either rely upon or benefit from cross-pollination by bees. In fact, animal pollination resu ...
MOVING TOWARDS ECOLOGICAL FARMING
... Grain crops like wheat, rice and corn, which make up a large part of global human diets, are mostly pollinated by wind and are not affected by pollinating insects. However, yields of many other plant species either rely upon or benefit from cross-pollination by bees. In fact, animal pollination resu ...
... Grain crops like wheat, rice and corn, which make up a large part of global human diets, are mostly pollinated by wind and are not affected by pollinating insects. However, yields of many other plant species either rely upon or benefit from cross-pollination by bees. In fact, animal pollination resu ...
Wilson et al. constrained lability in Penstemon and
... another have been examined in a few other groups. A close reading of previous studies reveals many of the hurdles to be surmounted in fulfilling the promise of phylogenetics in ecology. In the well-studied Mimulus section Erythranthe, the most parsimonious interpretation is that hummingbird pollinat ...
... another have been examined in a few other groups. A close reading of previous studies reveals many of the hurdles to be surmounted in fulfilling the promise of phylogenetics in ecology. In the well-studied Mimulus section Erythranthe, the most parsimonious interpretation is that hummingbird pollinat ...
Use of Asian Honeybees for Sustainable Apiculture in Afghanistan
... European honeybee The European honeybee is an exotic, imported species that is vulnerable to environmental threats such as mites and wasps. It is more expensive than the Asian honeybee to set up and complicated to maintain. It requires a minimum of 100 hives before breaking even. The high initial in ...
... European honeybee The European honeybee is an exotic, imported species that is vulnerable to environmental threats such as mites and wasps. It is more expensive than the Asian honeybee to set up and complicated to maintain. It requires a minimum of 100 hives before breaking even. The high initial in ...
Seeing is believing: information content and behavioural response
... expected fitness of female solitary bees. We first develop a basic model to study the optimal relationship between examination time and environmental parameters, ignoring the effect of distinct predator cues. We then extend the basic model in two directions: introducing predator cues and variability ...
... expected fitness of female solitary bees. We first develop a basic model to study the optimal relationship between examination time and environmental parameters, ignoring the effect of distinct predator cues. We then extend the basic model in two directions: introducing predator cues and variability ...
Pollination and other ecosystem services produced by mobile
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
Pollination and other ecosystem services produced by effects of land-use change
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
Pollination and other ecosystem services produced by mobile
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
... of these communities (3A–D). For example, landscape structure influences the temporal and spatial availability of food, nesting, overwintering and mating sites for pollinators. Any animal-pollinated plant (hereafter referred to as Ôtarget plantÕ, which can be crop or wild) is visited and pollinated ...
pdf
... of workers per nest was 160). Production of new queens and males was extremely variable between nests, with some nests producing only queens and others only males. The maximum number of new queens produced in any one nest was 111, and the maximum number of males was 122. Overall there were slightly ...
... of workers per nest was 160). Production of new queens and males was extremely variable between nests, with some nests producing only queens and others only males. The maximum number of new queens produced in any one nest was 111, and the maximum number of males was 122. Overall there were slightly ...
The evolution of pollen production in Campanula persicifolia David
... A study of a flower–pollinator system consisting of Campanula rapunculus and mainly two oligolectic bee species (Chelostoma campanularum and Ch. rapunculi) in Germany has shown that these bees can have a great impact on pollen availability in the population (Schlindwein et al., 2005). The study show ...
... A study of a flower–pollinator system consisting of Campanula rapunculus and mainly two oligolectic bee species (Chelostoma campanularum and Ch. rapunculi) in Germany has shown that these bees can have a great impact on pollen availability in the population (Schlindwein et al., 2005). The study show ...
Organic Farming for Bees
... Crop Rotation: Alternating cropping systems can rapidly eliminate pest insect populations. For example, the Colorado potato beetle attacks solanaceous crops like potatoes, eggplants, and tomatoes; beetle numbers can be drastically reduced by rotating wheat with these crops. However, to maintain cons ...
... Crop Rotation: Alternating cropping systems can rapidly eliminate pest insect populations. For example, the Colorado potato beetle attacks solanaceous crops like potatoes, eggplants, and tomatoes; beetle numbers can be drastically reduced by rotating wheat with these crops. However, to maintain cons ...
Effects of habitat isolation on pollinator communities and
... Here we tested the hypothesis that habitat fragmentation affects bee populations and thereby disrupts plant-pollinator interactions. We experimentally established small “habitat islands” of two self-incompatible, annual crucifers on eight calcareous grasslands and in the intensively managed agricult ...
... Here we tested the hypothesis that habitat fragmentation affects bee populations and thereby disrupts plant-pollinator interactions. We experimentally established small “habitat islands” of two self-incompatible, annual crucifers on eight calcareous grasslands and in the intensively managed agricult ...
Foraging dynamics of bumble bees: correlates of movements within
... bees. For example, one individual of Bombus pascuorum had a median handling time of 7.3 seconds ( n ° 30) on Vtaa, while another individual of the same species took a median of 2.2 seconds (n = 34). Thus, to test whether handling times could be pooled across bees, we used the Kruskal-WaHis test (Sac ...
... bees. For example, one individual of Bombus pascuorum had a median handling time of 7.3 seconds ( n ° 30) on Vtaa, while another individual of the same species took a median of 2.2 seconds (n = 34). Thus, to test whether handling times could be pooled across bees, we used the Kruskal-WaHis test (Sac ...
THE GALAPAGOS CARPENTER BEE, JUST HOW IMPORTANT IS IT?
... well as those species already mentioned by Williams. would be difficult to make. However, there were two Studies by Linsley (1966), Linsley et al. (1966), Rick species thatX. darwini appeared especially attracted (1966), and McMullen (1985, 1986, 1987) have also to and visited daily. These were Park ...
... well as those species already mentioned by Williams. would be difficult to make. However, there were two Studies by Linsley (1966), Linsley et al. (1966), Rick species thatX. darwini appeared especially attracted (1966), and McMullen (1985, 1986, 1987) have also to and visited daily. These were Park ...
Landscape elements as potential barriers and corridors for bees
... from the traps on the grassland. To account for foraging movements of wild bees, we chose pan traps, which attract the bees by their colour (Westphal et al., 2008). One set of pan traps comprised two plastic soup bowls in yellow and blue, sprayed with UV-reflecting colour (Sparvar") and filled with ...
... from the traps on the grassland. To account for foraging movements of wild bees, we chose pan traps, which attract the bees by their colour (Westphal et al., 2008). One set of pan traps comprised two plastic soup bowls in yellow and blue, sprayed with UV-reflecting colour (Sparvar") and filled with ...
Toro, H. "Pollination of Prosopis tamarugo in the Atacama Desert"
... In using the sequential Algarrobia-tamarugo blooming period, adults of C. mixta fly from September to December. In our observations we have registered a considerable reduction of males as the season progresses and by late December, they become rare. The single blooming period of algarrobos is from S ...
... In using the sequential Algarrobia-tamarugo blooming period, adults of C. mixta fly from September to December. In our observations we have registered a considerable reduction of males as the season progresses and by late December, they become rare. The single blooming period of algarrobos is from S ...
UVB tailors spider glue strength Muscle powers caddis fly take-offs
... sense, since in natural environments flying animals are balancing a lot of constraints, such as risk of collision, predation, navigational and sensory challenges’. And now Crall is keen to find out whether the bumblebee’s performance improves with familiarity. ‘Maybe as bees learn an environment bet ...
... sense, since in natural environments flying animals are balancing a lot of constraints, such as risk of collision, predation, navigational and sensory challenges’. And now Crall is keen to find out whether the bumblebee’s performance improves with familiarity. ‘Maybe as bees learn an environment bet ...
Corpse Management in Social Insects - UKnowledge
... shown to be achieved through chemical cues, explained by two primary hypotheses, “fatty acid death cue” [5] and “chemical vital sign” [12]. Pioneering studies on the nature of undertaking stimuli conducted by Wilson and his colleagues [5] in two ant species, Pogonomyrmex badius and S. saevissima , s ...
... shown to be achieved through chemical cues, explained by two primary hypotheses, “fatty acid death cue” [5] and “chemical vital sign” [12]. Pioneering studies on the nature of undertaking stimuli conducted by Wilson and his colleagues [5] in two ant species, Pogonomyrmex badius and S. saevissima , s ...
Western honey bee
The western honey bee or European honey bee (Apis mellifera) is a species of honey bee. The genus name Apis is Latin for ""bee"", and mellifera means ""honey-bearing"".