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The song remains the same： j.venile Richardson＇s ground squirrels do not respond differentially to mother＇s or colony member＇s alarm calls

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Current Zoology 2012年第5期58卷 773-780页

作者： j.mes F. HARE kurtis j. warkentin Department of Biological Sciences University of Manitoba Winnipeg MB Canada R3T 2N2 Department of Zoology Brandon University Brandon MB R7A 6A9

Alarm calls are emitted by Richardson＇s ground squirrels Urocitellus richardsonii in response to avian and terrestrial predators. Conspecifics detecting these calls respond with increased vigilance, promoting predator detection and evasion, but in doing so, lose time from foraging. That loss can be minimized if alarm call recipients discriminate among signalers, and weight their response accordingly. For j.venile ground squirrels, we predicted that the trade-off between foraging and vigilance could be optimized via selective response to alarm calls emitted by their own dam, and/or neighboring colony members over calls broad- cast by less familiar conspecifics. Alarm calls of adult female Richardson＇s ground squirrels were elicited in the field using a predator model and recorded on digital audio tape. Free-living focal j.veniles were subj.cted to playbacks of a call of their mother, and on a separate occasion a call from either another adult female from their own colony, or an adult female from another colony. Neither immediate postural responses and escape behavior, nor the duration of vigilance manifested by j.veniles differed with exposure to alarm calls of the three adult female signaler types. Thus, j.veniles did not respond preferentially to alarm calls emitted by their mothers or colony members, likely reflecting the high cost of ignoring alarm signals where receivers have had limited opportunity to establish past signaler reliability [Current Zoology 58 （5）： 773-780, 2012].

关键词： Alarm Signal Communication Maternal Call Recognition Signal Reliability Ground Squirrel Social Discrimination

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Ornamental Bee Plants as Foraging Resources for Urban Bees in Southern Brazil

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Agricultural Sciences 2015年第3期6卷 365-381页

作者： Denise Monique Dubet da Silva Mouga Vanessa Feretti j.niffer Cristine de Sena Manuel warkentin Andressa Karine Golinski dos Santos Carolina Lopes Ribeiro Bee Laboratory Department of Biological Sciences University of the Region of Joinville Joinville Brazil

Ornamental plants are distinguished by the shape and color of their leaves/flowers and their use in landscaping and gardening. In urban areas, their presence is relevant for the maintenance of bees. Aiming to list the ornamental bee plants species occurring in Santa Catarina State (SC), southern Brazil, a survey of forage resources for bees, recorded in the State, was performed. We refer all published works developed in SC (resulting in the period 1983-2014) which include data from reports of scientific research, monographs, dissertations, Masters Dissertations, Doctoral Thesis, annals of scientific events, scientific articles and books. From the 28 ensuant works, we listed, as ornamental bee plants occurring in SC, 201 species, of 156 genera and 66 botanical families. Of these species, 92 are native (N), 26 endemic to Brazil and 109 exotic (E). Families with more ornamental bee species are: Fabaceae (22 species), Asteraceae (20), Solanaceae (11), Rosaceae (10) and Lamiaceae (8). The most cited species are: Lantana camara L. (N) (Verbenaceae) (9 quotes), Aloysia virgata (N) (Ruiz & Pav.) j.ss. (Verbenaceae) (8), Hedychium coronarium j. Koenig (naturalized) (Zingiberaceae) (6) and Brachyscome multifida (E) (Asteraceae) (5), regarding habitus, herbs (48.5%) predominate, followed by bushes (21.5%), trees (16.5%) and vines (10.5%). Preferred colours of flowers by bees are, in decreasing order: white, yellow, red/pink, and others. The genus Ipomoea, Calliandra, Passiflora, Prunus and Senecio have more ornamental bee plant species. A large botanical diversity arises, demonstrating the possibilities for urban bee foraging and ornamental featuring, in a perspective of sustainability.

关键词： Apidae Bees Floral Resources Pollination Urban Fauna

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STRUCTURE-ACTIVITY RELATIONSHIP OF MONO- METHINE CYANINES IN CONTROL OF LEPIDOPTERAN LARVAE

STRUCTURE-ACTIVITY RELATIONSHIP OF MONO- METHINE CYANINES IN...

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The ⅩⅤth International Plant Protection Congress

作者： R.N.HENRIE B.j.DUGAN D.S.ROSEN I.SHULMAN T.M.ZYDOWSKY F.L.MAREK D.warkentin S.SIMPSON FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA FMC Corporation Agricultural Products Group P.O.Box 8 Princeton New Jersey 08543 USA

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