Search Results - "Otis, G. W."

Geographical distribution of the giant honey bee Apis laboriosa Smith, 1871 (Hymenoptera, Apidae) by Kitnya, Nyaton, Prabhudev, M.V, Bhatta, Chet Prasad, Pham, Thai Hong, Nidup, Tshering, Megu, Karsing, Chakravorty, Jharna, Brockmann, Axel, Otis, G.W

“…Worldwide pollinator declines have dramatically increased our need to survey and monitor pollinator distributions and abundances. The giant honey bee, Apis…”
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Population genetic structure and genetic diversity of the threatened White Mountain arctic butterfly (Oeneis melissa semidea) by Gradish, A. E, Keyghobadi, N, Otis, G. W

“…The White Mountain arctic butterfly [WMA; Oeneis melissa semidea (Say)] is endemic to the alpine zone of Mts. Washington and Jefferson, New Hampshire, USA, and…”
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Influence of Pollen Diet in Spring on Development of Honey Bee (Hymenoptera: Apidae) Colonies by Mattila, H. R., Otis, G. W.

“…The effects of changes in spring pollen diet on the development of honey bee, Apis mellifera L. (Hymenoptera: Apidae), colonies were examined in a 3-yr study…”
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Effects of Pollen Availability and Nosema Infection During the Spring on Division of Labor and Survival of Worker Honey Bees (Hymenoptera: Apidae) by Mattila, H. R, Otis, G. W

“…Honey bee (Apis mellifera L.) colonies in temperate climates often deplete winter pollen stores because of intense brood rearing activity in the spring…”
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Timing of production of winter bees in honey bee (Apis mellifera) colonies by MATTILA, H. R, HARRIS, J. L, OTIS, G. W

“…Little is known about the development of the overwintering population of honey bees (Apis mellifera) colonies in temperate climates. Colonies were subjected to…”
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Species- and caste-determined mandibular gland signals in honeybees (Apis) by Plettner, E, Otis, G.W, Wimalaratne, P.D.C, Winston, M.L, Slessor, K.N, Pankiw, T, Punchihewa, P.W.K

“…Queens and workers of five honeybee species (Apis mellifera, A. cerana, A. dorsata, A. florea, and A. andreniformis) were analyzed for their mandibular gland…”
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Local enhancement in mud-puddling swallowtail butterflies (Battus philenor and Papilio glaucus) by OTIS, G. W, LOCKE, B, MCKENZIE, N. G, CHEUNG, D, MACLEOD, E, CARELESS, P, KWOON, A

“…Male butterflies aggregate at moist soil to acquire nutrients, a phenomenon termed "mud-puddling." We studied the attraction of free-flying Papilio glaucus and…”
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Influence of Pollen Diet in Spring on Development of Honey Bee (Hymenoptera: Apidae) Colonies by Mattila, H. R., Otis, G. W.

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Comparative resistance in Buckfast and Canadian stocks of honey bees (Apis mellifera L.) to infestation by honey bee tracheal mites (Acarapis woodi (Rennie)) by Lin, H. (Guelph Univ., Guelph, Ont. (Canada). Dept. of Environmental Biology), Otis, G.W, Scott-Dupree, C

“…The results of bioassay and colony evaluations demonstrated that British and Texas Buckfast honey bee stocks had one-third to one-half the mean prevalence and…”
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Factors determining hypopharyngeal gland activity of worker honey bees (Apis mellifera L.) by HUANG, Z.-Y, OTIS, G. W

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A comparison of the host preference of monarch butterflies (Danaus plexippus) for milkweed (Asclepias syriaca) over dog-strangler vine (Vincetoxicum rossicum) by Mattila, Heather R., Otis, Gard W.

“…Observations in the field indicate that monarch butterflies will oviposit on dog‐strangler vine, an invasive introduced species in the same family as milkweed…”
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The effect of foraging army ants on leaf-litter arthropods by Otis, G.W, Santana C, E, Crawford, D.L, Higgins, M.L

“…The effect of Eciton burchelli army ants (Hymenoptera: Formicidae) on leaf-litter arthropods was studied at Finca La Selva, Costa Rica. Analyses of leaf-litter…”
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Annual waxy bands on a Costa Rican cactus by Buskirk, R.E, Otis, G.W

“…Lemaireocereus aragonii (Weber) is a moderately branched, columnar cactus that is native to dry forests of northwestern Costa Rica. In this study we compare…”
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Net reproductive rate of unmanaged honeybee colonies, (Apis mellifera L.) by Otis, G. W., Wearing-Wilde, J. M.

“…The net reproductive rate of unmanaged honeybee colonies has never been fully determined for honey bees in temperate climates. In this study, five overwintered…”
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Host preference of the honey bee tracheal mite (Acarapis woodi (Rennie)) by Dawicke, B.L. (Guelph Univ., Guelph, Ont. (Canada). Dept. of Environmental Biology), Otis, G.W, Scott-Dupree, C, Nasr, M

“…Field and laboratory bioassays were used to test the preference of the honey bee tracheal mite, Acarapis woodi (Rennie), for drones versus workers. Groups of…”
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Application of a Modified Selection Index for Honey Bees (Hymenoptera: Apidae) by Van Engelsdorp, Dennis, Otis, Gard W.

“…Nine different genetic families of honey bees (Apismellifera L.) were compared using summed z-scores (phenotypicvalues) and a modified selection index…”
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Resistance to Acarapis woodi by Honey Bees (Hymenoptera: Apidae): Divergent Selection and Evaluation of Selection Progress by Nasr, Medhat E., Otis, Gard W., Scott-Dupree, Cynthia D.

“…Two generations of honey bees, Apis mellifera L., selected for resistance to tracheal mites, Acarapis woodi (Rennie), were produced from a foundation stock…”
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Distributions of recently recognized species of honey bees (Hymenoptera: Apidae; Apis) in Asia by Otis, G.W. (University of Guelph, Guleph, Ontario, Canada.)

“…For most of this century scientists have generally accepted that the genus Apis is comprised of only four well recognized species: A. mellifera in Europe and…”
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The role of cuticular compounds in the resistance of honey bees (Apis mellifera) to tracheal mites (Acarapis woodi) by VAN ENGELSDORP, Dennis, OTIS, Gard W

“…This study examined the migration of tracheal mites (Acarapis woodi) into honey bees (Apis mellifera) from different colonies and the relative attraction of…”
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Differences in drone cappings of Apis cerana and Apis nigrocincta by Hadisoesilo, Soesilawati, Otis, Gard W

“…The nature of the drone cell caps of Apis cerana and A. nigrocincta were examined in South and Central Sulawesi, Indonesia. All drone cells of A. cerana were…”
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