Lucy Snyder
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Do diet and Fumagillin treatment impact <i>Vairimorpha</i> (<i>Nosema</i>) spp. (Microspora: Nosematidae) infections in honey bees (Hymenoptera: Apidae) and improve survival and growth of colonies overwintered in cold storage? Open
Vairimorpha (Microsporidia: Nosematidae) is a microsporidian that infects honey bees especially in winter. Fumagillin can reduce infections, but whether overwintering survival is improved is unclear. The diet also may influence the severit…
The survival and growth of honey bee (Hymenoptera: Apidae) colonies overwintered in cold storage: the effects of time and colony location Open
For over a decade, high percentages of honey bee colonies have been perishing during the winter creating economic hardship to beekeepers and growers of early-season crops requiring pollination. A way to reduce colony losses might be moving…
Cold storage as part of a Varroa management strategy: Effects on honey bee colony performance, mite levels and stress biomarkers Open
Placing honey bee colonies in cold storage has been proposed as a way to induce a pause in brood production as part of a Varroa mite treatment plan. Here, we exposed colonies to combinations of with or without a late summer-early fall cold…
Accelerated abdominal lipid depletion from pesticide treatment alters honey bee pollen foraging strategy, but not onset, in worker honey bees Open
Honey bee abdominal lipids decline with age, a change thought to be associated with the onset of foraging behavior. Stressors, such as pesticides, may accelerate this decline by mobilizing internal lipid to facilitate the stress response. …
Methoxyfenozide has minimal effects on replacement queens but may negatively affect sperm storage Open
Honey bees are incidentally exposed to pesticides such as the insect growth regulator methoxyfenozide (MEOF) during crop pollination, exposures that extend into the hive via contaminated stored food. We examined the sublethal effects of ME…
Octopamine mobilizes lipids from honey bee (<i>Apis mellifera</i>) hypopharyngeal glands Open
Recent widespread honey bee (Apis mellifera) colony loss is attributed to a variety of stressors including parasites, pathogens, pesticides, and poor nutrition. In principle, we can reduce stress-induced declines in colony health by either…
Exposure to sublethal concentrations of methoxyfenozide disrupts honey bee colony activity and thermoregulation Open
Methoxyfenozide is an insect growth regulator (IGR) commonly used in agriculture to simultaneously control pests and preserve beneficial insect populations; however, its impact on honey bees in not fully understood. We conducted field and …
Measuring Hypopharyngeal Gland Acinus Size in Honey Bee (<em>Apis mellifera</em>) Workers Open
The nurse hypopharyngeal glands produce the protein fraction of the worker and royal jelly that is fed to developing larvae and queens. These paired glands that are located in the head of the bee are highly sensitive to the quantity and qu…
Effects of exposure to sublethal concentrations of methoxyfenozide on honey bee colony activity and thermoregulation Open
Methoxyfenozide is an insect growth regulator (IGR) commonly used in agricultural to simultaneously control pests and preserve beneficial insect populations; however, its impact on honey bees in not fully understood. We conducted field and…
Connecting the nutrient composition of seasonal pollens with changing nutritional needs of honey bee (Apis mellifera L.) colonies Open
Free-ranging herbivores have yearly life cycles that generate dynamic resource needs. Honey bee colonies also have a yearly life cycle that might generate nutritional requirements that differ between times of brood rearing and colony expan…
Honey bee (Apis mellifera) nurses do not consume pollens based on their nutritional quality Open
Honey bee workers (Apis mellifera) consume a variety of pollens to meet the majority of their requirements for protein and lipids. Recent work indicates that honey bees prefer diets that reflect the proper ratio of nutrients necessary for …
View article: Internal hive temperature as a means of monitoring honey bee colony health in a migratory beekeeping operation before and during winter
Internal hive temperature as a means of monitoring honey bee colony health in a migratory beekeeping operation before and during winter Open
Internal temperatures of honey bee hives kept at different sites in North Dakota were monitored before and during winter to evaluate the effects of treatment, in the form of exposure to commercial pollination, and location on colony health…
<i>Parasaccharibacter apium</i>, gen. nov., sp. nov., Improves Honey Bee (Hymenoptera: Apidae) Resistance to<i>Nosema</i> Open
The honey bee, Apis mellifera L., is host to a variety of microorganisms. The bacterial community that occupies the adult worker gut contains a core group of approximately seven taxa, while the hive environment contains its own distributio…