Publications

Safriel UN, Erez N, Keasar T, 1993. Long-term effects of transplanted limpets on an experimental marine biofouling community. Biofouling 6:261-278.
Safriel UN, Cohen Y, Erez N, Gateno D, Keasar T, Dolev Y, 1993. Biological control of marine biofouling. Oebalia 19S :193-199.
Keasar T, Safriel UN, 1994. The establishment of a territory - effects of food and competitors on movement patterns in Patella caerulea limpets. Ethology, Ecology and Evolution 6:103-115. pdf
Safriel UN, Erez N, Keasar T, 1994. How do limpets maintain barnacle-free submerged artificial surfaces? Bulletin of Marine Science 54:17-23. pdf
Shkedy Y, Safriel UN, Keasar T, 1995. Life-history of Balanus amphitrite and Chthamalus Stellatus in an intertidal fouling community in Israel . Israel Journal of Zoology 41:147-161.
Keasar T, Motro U, Shur Y, Shmida A, 1996. Overnight memory retention of foraging bumblebees is imperfect. Animal Behavior 52:95-104. pdf
Keasar T, Shmida A, Motro U, 1996. Innate movement rules in foraging bees: flight distances are affected by recent rewards and are correlated with choice of flower type. Behavioral Ecology and Sociobiology 39:381-388. pdf
Keasar T, Bilu Y, Motro U, Shmida A, 1997. Foraging choices of bumblebees on equally-rewarding artificial flowers of different colors. Israel Journal of Plant Sciences 45:219-229. pdf
Keasar T, 2000. The spatial distribution of non-rewarding artificial flowers affects pollinator attraction. Animal Behaviour 60:639-646. pdf
Keasar T, Ney-Nifle M, Mangel M, 2000. Evidence for learning of host-associated visual cues in the parasitoid wasp Trichogramma thalense. Israel Journal of Zoology 46:24-247. pdf
Keasar T, Ney-Nifle M, Mangel M, Swezey S, 2001. Early oviposition experience affects patch residence time in a foraging parasitoid. Entomologia Experimentalis et Applicata, 98:123-132. pdf
Ney-Nifle M, Keasar T, Shmida A, 2001. Location and color learning in bumblebees in a two-phase conditioning experiment. Journal of Insect Behavior 14:697-711. pdf
Keasar T, 2001. Conservation of native pollinators via honeybee conservation. Ecology and Society 5 (2): r5. [Online] URL: http://www.ecologyandsociety.org/vol5/iss2/resp5/
Blarer A, Keasar T, Shmida A., 2002 Possible mechanisms for the formation of flower size preferences by foraging bumblebees. Ethology 108:341-351. pdf
Keasar T, Rashkovich E, Cohen D, Shmida A., 2002. Choice behavior of bees in two-armed bandit situations: experiments and possible decision rules. Behavioral Ecology 13:757-765. pdf
Bar Shai, N, Samuels R, Keasar T, Motro U, Shmida A., 2004. Flight durations in bumblebees under manipulation of feeding choices. Journal of Insect Behavior, 17:155-168. pdf
Gottlieb D, Keasar T, Shmida A, Motro U, 2005. Possible foraging benefits of bimodal daily activity in Proxylocopa Olivieri (Lepeletier) (Hymenoptera: Anthophoridae). Environmental Entomology 34:417-424. pdf
Keasar T, Kalish A, Becher O, Steinberg S, 2005. Spatial and temporal dynamics of potato tuber moth infestation in field-stored potatoes. Journal of Economic Entomology 98:222-228.
Keasar T, Baruch R, Grobgeld E., 2005. Web-enhanced instruction in college-level biology courses: student attitudes, usage patterns and achievements. Australasian Journal of Distance Education, 21:533-545.
Keasar T, Segoli M, Barak R, Steinberg S, Giron D, Strand MR, Bouskila A, Harari AR, 2006. Costs and consequences of superparasitism in the polyembryonic parasitoid Copidosoma koehleri . Ecological Entomology 31:277-283. pdf
Keasar T, Sheffer N, Glusman G, Libersat F, 2006. Host handling: an innate behavior component of foraging in the parasitoid Wasp Ampulex compressa . Ethology 112:699-706. pdf
Arnon R, Keasar T, Pollak G, Cohen D, Shmida A, 2006. Honesty of signaling and pollinator attraction: the case of flag-like bracts. Israel Journal of Plant Sciences 54:119-128. pdf
Keasar T, Goubitz S, Shmida A, 2007. Age-related sampling of food sources by unsuccessful foraging bumblebees (Hymenoptera: Apidae: Bombus). Entomologia Generalis 29: 201-211. pdf
Keasar T, Fershtman I, Forotan R, Shmida A, 2007. Learning performance of foraging bumblebees (Hymenoptera: Apidae: Bombus) under manipulation of inter-visit time intervals. Entomologia Generalis, 29: 213-224. pdf
Keasar T, Sadeh A, Shilo M, Ziv Y, 2007. Social organization and pollination efficiency in the carpenter bee Xylocopa Pubescens (L.) (Hymenoptera: Apidae: Anthophoridae). Entomologia Generalis 29:225-236. pdf
Keasar T, Sadeh A, 2007. The parasitoid Copidosoma koehleri provides limited control of the potato tuber moth, Phthorimaea Operculella , in stored potatoes. Biological Control 42: 55-60. pdf
Keasar T, Shihadeh S, Shmida S, Majali N, Weil D, Reuven N, 2007. An evaluation of mini-nucleus honeybee hives for pollination of honeydew melons in enclosures. Journal of Apicultural Research 46: 264-268. pdf
Sadeh A, Keasar T, Shmida A., 2007 The carpenter bee Xylocopa pubescens (L.) as an agricultural pollinator in greenhouses. Apidologie 38: 508-517. pdf
Keasar T, Steinberg S, 2008. Evaluation of the parasitoid Copidosoma koehleri for biological control of the potato tuber moth, Phthorimaea operculella , in Israeli potato fields . Biocontrol Science and Technology 18:325-336. pdf
Keasar T, Sadeh A, Shmida A, 2008. Variability in nectar production and yield, and their relation to pollinator visits, in a Mediterranean shrub. Arthropod-Plant Interactions 2: 117-123. pdf
Segoli M, Bouskila A, Harari A, Keasar T, 2009. Developmental patterns in the polyembryonic wasp Copidosoma koehleri . Arthropod Structure and Development, 38: 84-90. pdf
Segoli M, Bouskila A, Harari A, Keasar T, 2009. Brood size in a polyembryonic parasitoid wasp is affected by the relatedness among competing larvae. Behavioral Ecology 20:761-767. pdf
Segoli M, Bouskila A, Harari A, Keasar T, 2009. Host handling time is affected both by previous experience of parasitoid and by previous parasitism of host in a polyembryonic wasp. Journal of Insect Behavior 22: 501-510. pdf
Keasar T, Shmida A, 2009. An evaluation of Israeli forestry trees and shrubs as potential forage plants for bees. Israel Journal of Plant Sciences 57: 49-64. pdf
Arnon R, Keasar T, Hempel de Ibarra N, Cohen D, Shmida A, 2009. Learning of colored targets with vertical and horizontal components by bumblebees (Bombus terrestris L.). Israel Journal of Plant Sciences 57: 193-201. pdf
Keasar T, Sadeh A, Gerchman Y, Shmida A, 2009. The signaling function of an extra-floral display: what selects for signal development? Oikos 118: 1752-1759. pdf
Segoli M, Keasar T, Harari A, Bouskila A, 2009. Limited kin discrimination abilities mediate tolerance toward relatives in polyembryonic wasps. Behavioral Ecology 20: 1262-1267. pdf
Keasar T, 2009. A foreword by the guest editor. Special issue on plant-Pollination interactions, Israel Journal of Plant Sciences 57: I.
Segoli M, Keasar T, Bouskila A, Harari A, 2010. Host choice decision in a polyembryonic wasp Copidosoma koehleri (Hymenoptera: Encyrtidae). Physiological Entomology 35: 40-45. pdf
Segoli M, Bouskila A, Harari A, Keasar T, 2010. The effect of host starvation on parasitoid brood size in a polyembryonic wasp. Evolutionary Ecology Research 12: 1-9. pdf
Keasar T, Harari AR, Sabatinelli G, Keith D, Dafni A, Shavit O, Zylbertal A, Shmida A, 2010. Red anemone guild flowers as focal places for mating and feeding of Mediterranean glaphyrid Beetles. Biological Journal of the Linnean Society 99:808-817. pdf
Segoli M, Bouskila A, Harari A, Rosenheim J, Keasar T, 2010. Review : The evolution of polyembryony in parasitoid wasps. Journal of Evolutionary Biology 23: 1807-1819. pdf
Keasar T, 2010. Review : Large carpenter bees as agricultural pollinators. In Psyche special issue: Foraging Behavior of Neglected Social Pollinators (ed. by JC Nieh, JC Biesmeijer, C Rasmussen). Available: http://www.hindawi.com/journals/psyche/2010/927463/
Leshem Y, Keasar T, Shmida A, 2011. Female-biased nectar production in the protandrous, hermaphroditic Shrub Salvia Hierosolymitana : possible reasons and consequences. Australian Journal of Botany, 59: 18-25. pdf
Bar-Shai N, Keasar T, Shmida A, 2011. The use of numerical information by bees in foraging tasks. Behavioral Ecology, 22 : 317-325. pdf
Morag N, Keasar T, Harari A, Bouskila A., 2011. Trans-generational epigenetic effects of maternal rearing density on offspring development time in a parasitoid wasp. Physiological Entomology 36: 294-298. pdf
Morag N, Bouskila A, Segoli M, Rapp O, Keasar T, Harari AR, 2011. The mating status of mothers, and offspring sex, affect clutch size in a polyembryonic parasitoid wasp. Animal Behaviour, 81: 865-870. pdf
Morag N, Bouskila A, Harari A, Keasar T, 2011. Low maternal host-encounter rate enhances offspring proliferation in a polyembryonic parasitoid. Behavioral Ecology and Sociobiology, 65: 2287-2296. pdf
Bar-Shai N, Keasar T, Shmida A, 2011. How do solitary bees forage in patches with a fixed number of food items? Animal Behaviour, 82: 1367-1372. pdf
Gerchman Y, Yerushalmi Y, Dodek I, Petichov R, Lerner A, Keasar T, 2012. Beyond pollinator attraction: extra-floral displays deter herbivores in a Mediterranean annual plant. Evolutionary Ecology, 26: 499-512. pdf
Martinez-Harms J, Vorobyev M, Schorn J, Shmida A, Keasar T, Homberg U, Schmeling F, Menzel R, 2012. Evidence of red sensitive photoreceptors in Pygopleurus Israelitus (Glaphyridae: Coleoptera) and its implications for beetle pollination in the southeast Mediterranean. Journal of Comparative Physiology A, 198: 451-463. pdf
Lev-Yadun S, Keasar T, 2012. Prerequisites for evolution: variation and selection in yellow autumn birch leaves. New Phytologist, 195: 282-284. pdf
Keinan Y, Kishinevsky M, Segoli M, Keasar T, 2012. Repeated probing of hosts: an important component of superparasitism. Behavioral Ecology, doi: 10.1093/beheco/ars111. pdf
Bügler M, Rempoulakis C, Shacham R, Keasar T, Thuijsman F, 2013. Sex allocation in a polyembryonic parasitoid with female soldiers: An evolutionary simulation and an experimental test. PLoS One 8(6): e64780. doi:10.1371/journal.pone.0064780. pdf
Keasar T, Motro U, Shmida A, 2013. Temporal variability promotes sampling of a new food flower type by bumblebees. Animal Behaviour, 86:747-753. pdf.
Keasar T, Kishinevsky M, Shmida A, Gerchman Y, Chinkov N, Koplovich A, Katzir G. , 2013. Plant-derived visual signals may protect beetle herbivores from bird predators. Behavioral Ecology and Sociobiology, 67: 1613-1622. pdf.
Maskato Y, Talal S, Keasar T, Gefen E, 2014. Red foliage color reliably indicates low host quality for development of an herbivorous insect. Arthropod-Plant Interactions, 8: 285-292. pdf.
Muth F, Keasar T, Dornhaus A, 2015. Trading off short-term costs for long-term gains: how do bumblebees decide to learn morphologically complex flowers? Animal Behaviour, 101:191-199. pdf.
Kishinevsky M, Keasar T , 2015. State-dependent host discrimination in a parasitoid: the effect of intervals between host encounters. Behavioral Ecology and Sociobiology, 69: 543-549. pdf.
Shaham R, Ben Shlomo R, Motro U, Keasar T., 2016. Genome methylation patterns across castes and generations in a parasitoid wasp. Ecology and Evolution, 6: 7943-7953. pdf.
Keasar T, Gerchman Y, Lev-Yadun S., 2016 A seven-year study of flower-color polymorphism in a Mediterranean annual plant. Basic and Applied Ecology,17: 741-750. pdf.
Kishinvesky M, Keasar T, Bar Massada A., 2016. Parasitoid abundance on plants: complex effects of host abundance, plant species and plant flowering state. Arthropod-Plant Interactions, 11: 155-161. pdf.
Teschner N, Orenstein D, Shapira I, Keasar T, 2017. The potential of socio-ecological research to contribute to the transition toward sustainable agricultural practices. International Journal of Agricultural Sustainability, 15: 99-101. pdf.
Shapira I, Rosenfeld A, Rothschild A, Ackerman M, Eshel G, Keasar T, 2017. Herbaceous vegetation enhancement increases biodiversity in a wine-producing vineyard, promoting shifts in agricultural practices in other vineyards. Conservation Evidence, 14: 10-15. pdf.
Keinan Y, Kishinevsky M, Keasar T, 2017. Intraspecific variability in egg maturation patterns and associated life-history trade-offs in a polyembryonic parasitoid wasp. Ecological Entomology, 42: 587-594. pdf
Kishinevsky M, Keasar T, Harari A, Chiel E, 2017. A comparison of naturally growing vegetation vs. border-planted companion plants for sustaining parasitoids in pomegranate orchards. Agriculture, Ecosystems and Environment, 246: 117-123. pdf
Kishinevsky M, Cohen N, Wajnberg E, Chiel E, Keasar T, 2017. Sugar feeding of parasitoids in an agroecosystem: effects of community composition, habitat and vegetation. Insect Conservation and Diversity, 11: 50-57. pdf
Lev-Yadun S, Ne'eman G, Keasar T, 2018. Differences in flower colors between spiny and non-spiny Asteraceae species: a possible case of aposematism? Flora 239: 98-103. pdf
Ode P, Keasar T, Segoli M, 2018. Lessons from the multitude: insights from polyembryonic wasps for behavioral ecology. Current Opinion in Insect Science 27: 32–37. pdf
Shapira I, Keasar T, Harari I, Gavish-Regev E, Kishinevsky M, Steinitz H, Sofer-Arad C, Tomer M, Sharon R, 2018. Does mating disruption of Lobesia botrana and Planococcus ficus affect the diversity, abundance and composition of natural enemies in Mediterranean vineyards? Pest Management Science, 74: 1837-1844. pdf
Keinan Y, Braun R, Keasar T, 2018. Phenotypic plasticity in pre-adult egg maturation in a parasitoid: effects of host-starvation and brood size. PLoS One, 13(4): e0195767. pdf
Krishna S, Keasar T., 2018 Morphological complexity as a floral signal: from perception by insect pollinators to co-evolutionary implications. International Journal of Molecular Sciences 19, 1681. pdf
Karp DS and numerous authors, including Keasar T, Kishinevsky M, 2018. Crop pests and predators exhibit inconsistent responses to surrounding landscape composition. PNAS, 115: E7863-E7870. pdf
Shapira I, Gavish-Regev E, Sharon R, Harari AR, Kishinevsky M, Keasar T, 2018 Habitat use by crop pests and natural enemies in a Mediterranean vineyard agroecosystem. Agriculture, Ecosystems and Environment, 267: 109–118. pdf
Keasar T, Wajnberg E, 2019. Evolutionary constraints on polyembryony in parasitic wasps: a simulation model. Oikos, 128: 347-359. pdf
Keinan Y, Harari AR, Keasar T, 2019. Can mating disruption and augmentation of natural enemies be efficiently combined by the conditioning of the parasitoid Trichogramma cacoeciae (Hymenoptera: Trichogrammatidae)? pp. 59-78 In: Donnelly E (Ed.), Parasitoids: Biology, Behavior and Ecology, Nova. pdf
Keinan Y, Keasar T, 2019. Evidence for trans-generational effects on egg maturation schedules in a syn-ovigenic parasitoid. Journal of Insect Physiology, 117: 103910. pdf
Krishna S, Keasar T, 2019. Bumblebees forage on flowers of increasingly complex morphologies despite low success. Animal Behaviour, 155: 119-130. pdf
Dainese M and numerous authors, including Keasar T, Kishinevsky M, 2019. A global synthesis reveals biodiversity-mediated benefits for crop production. Science Advances, 5, eaax0121. pdf
Wajnberg E, Tel-Zur N, Shapira I, Lebber Y, Lev-Yadun S, Zurgil U, Reisman-Berman O, Keasar T, 2019. Pollinator behavior drives sexual specializations in the hermaphrodite flowers of a heterodichogamous tree. Frontiers in Plant Sciences 10: 1315. pdf
Reisman-Berman O, Keasar T, Tel-Zur N, 2019. Native and non-native species for dryland afforestation: bridging ecosystem integrity and livelihood support. Annals of Forest Science, 76, 114. pdf
Ornai A, Ne’eman G, Keasar T, 2020. Management of forest fire buffer zones: Implications for flowering plants and bees. Forest Ecology and Management, 473: 118310. pdf
Ornai A, Keasar T, 2020. Floral complexity traits as predictors of plant-bee interactions in a Mediterranean pollination web. MDPI Plants, doi: 10.3390/plants9111432. pdf
Tel-Zur N, Keasar T, 2020. Seasonal changes in the within- and among-plant synchronization of flower development in a heterodichogamous tree. MDPI Plants, 9: 1509; https://doi.org/10.3390/plants9111509. pdf
Kishinevsky M, Keasar T, 2021. Sugar feeding by parasitoids inside and around vineyards varies with season and weed management practice. Agriculture, Ecosystems and Environment 307: 107229. pdf
Möller G, Keasar T, Shapira I, Möller D, Ferrante M, Segoli M, 2021. Effect of weed management on the parasitoid community in Mediterranean vineyards. Biology - Basel. 10(1):7. pdf
Krishna S, Keasar T, 2021. Generalization of foraging experience biases bees towards flowers with complex morphologies. Frontiers in Ecology and Evolution, doi: 10.3389/fevo.2021.655086. pdf
Gerovichev A, Sadeh A, Winter V, Bar-Massada A, Keasar T, Keasar C, 2021. High throughput data acquisition and deep learning for insect ecoinformatics. Frontiers in Ecology and Evolution 9:600931, doi: 10.3389/fevo.2021.600931. pdf
Schindler B, Gavish-Regev E, Keasar T, 2022. Parasitoid wasp community dynamics in vineyards following insecticide application. Frontiers in Environmental Science, 10.3389/fenvs.2021.785669. pdf
Kishinevsky M, Keasar T., 2022. Trait-based characterization of parasitoid wasp communities in natural and agricultural areas. Ecological Entomology, DOI: 10.1111/een.13150. pdf
Keasar T, Pourtallier O, Wajnberg E, 2023. Can sociality facilitate learning of complex tasks? lessons from bees and flowers. Philosophical Transactions of the Royal Society of London B. DOI: 10.1098/rstb.2021.0402. pdf
Keasar T, Wajnberg E, Heimpel G, Hardy ICW, Shaltiel-Harpaz L, Gottlieb D, van Nouhuys S, 2023. Dynamic economic thresholds for insecticide applications against agricultural pests: importance of pest and natural enemy migration. Journal of Economic Entomology 116: 321-330. DOI: https://doi.org/10.1093/jee/toad019. pdf
Segoli M, Abram PK, Ellers J, Hardy ICW, Greenbaum G, Heimpel GE, Keasar T, Ode PJ, Sadeh A, Wajnberg E, 2023. Trait-based approaches to predicting biological control success: challenges and prospects. Trends in Ecology and Evolution, https://doi.org/10.1016/j.tree.2023.04.008. pdf