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 Keiko Oku

Keiko Oku

Research Fellow (Marie Skłodowska-Curie Individual Fellowship)

 SERSF 1:17

 

Science and Engineering Research Support Facility (SERSF):, University of Exeter,  Penryn Campus, Penryn, Cornwall, TR10 9FE, UK

Qualifications

2006 PhD Kyoto University, Japan

2003 MSc Kyoto University, Japan

2001 BSc Kindai University, Japan

Career

2017- present  Postdoc, University of Exeter, UK

2016-2017       Postdoc, Wageningen University, The Netherlands

2008-2016       Researcher, NARO Agricultural Research Center, Japan

2006-2008       Postdoc, Okayama University, Japan

Research

Research interests

Sexual selection, mating behavior, life-history strategies, maternal effect.

Research projects

Female immune function in compensation for polyandry

Grants/Funding

2017- present   Marie Skłodowska-Curie Individual Fellowship

2016-2017        Canon Foundation in Europe Research Fellowship

2012-2014        JSPS Overseas Research Fellowship

2010                 JSPS Travel Grant for Academic Meetings

2009-2011        JSPS Grant-Aid for Scientific Research

2006-2008        JSPS Research Fellowship

2004-2006        JSPS Research Fellowship

Key publications | Publications by category | Publications by year

Publications by category


Journal articles

Oku K, Poelman EH, de Jong PW, Dicke M (2018). Female response to predation risk alters conspecific male behaviour during pre-copulatory mate guarding. ETHOLOGY, 124(2), 122-130. Author URL.
Oku K, van den Beuken TPG (2017). Male behavioural plasticity depends on maternal mating status in the two-spotted spider mite. Exp Appl Acarol, 71(4), 319-327. Abstract.  Author URL.
Oku K (2016). Precopulatory mate guarding influences the development of quiescent deutonymph females in the two-spotted spider mite (Acari: Tetranychidae). Exp Appl Acarol, 68(1), 33-38. Abstract.  Author URL.
Oku K, Weldegergis BT, Poelman EH, De Jong PW, Dicke M (2015). Altered volatile profile associated with precopulatory mate guarding attracts spider mite males. J Chem Ecol, 41(2), 187-193. Abstract.  Author URL.
Archer CR, Duffy E, Hosken DJ, Mokkonen M, Okada K, Oku K, Sharma MD, Hunt J (2015). Sex-specific effects of natural and sexual selection on the evolution of life span and ageing in Drosophila simulans. Functional Ecology, 29(4), 562-569. Abstract.
Oku K, Yamane T (2014). Do male-derived substances affect female mating receptivity and release of sex pheromone by females of the sorghum plant bug stenotus rubrovittatus (hemiptera: Miridae)2. European Journal of Entomology, 111(1), 19-23. Abstract.
Oku K, Saito Y (2014). Do males evaluate female age for precopulatory mate guarding in the two-spotted spider mite?. Journal of Ethology, 32(1), 1-6. Abstract.
Oku K (2014). Sexual selection and mating behavior in spider mites of the genus Tetranychus (Acari: Tetranychidae). Applied Entomology and Zoology, 49(1), 1-9. Abstract.
Oku K (2013). Does female mating history affect mate choice of males in the two-spotted spider mite Tetranychus urticae?. Acarologia, 53(2), 217-220. Abstract.
Kitsunezuka K, Okutani-Akamatsu Y, Watanabe T, Oku K (2013). Effects of male age on the mating behavior of both sexes in the sorghum plant bug, Stenotus rubrovittatus (Hemiptera: Miridae). Applied Entomology and Zoology, 48(1), 73-77. Abstract.
Oku K, Shimoda T (2013). Indirect evidence that guarded quiescent deutonymph females invest energy to attract conspecific males in the Kanzawa spider mite (Acari: Tetranychidae)?. Exp Appl Acarol, 60(4), 445-449. Abstract.  Author URL.
Takeda A, Oku K, Sugeno W, Yasuda T, Watanabe T (2012). Monitoring sorghum plant bug, Stenotus rubrovittatus (Matsumura) (Hemiptera: Miridae), with a synthetic sex pheromone trap in paddy fields. Japanese Journal of Applied Entomology and Zoology, 56(1), 26-29. Abstract.
Yasuda M, Mitsunaga T, Takeda A, Tabuchi K, Oku K, Yasuda T, Watanabe T (2011). Comparison of the effects of landscape composition on two mirid species in Japanese rice paddies. Applied Entomology and Zoology, 46(4), 519-525. Abstract.
Oku K, Kitsunezuka K (2011). Effects of male mating interval on spermatophore formation, transfer, and subsequent female receptivity and fecundity in the sorghum plant bug, Stenotus rubrovittatus. Entomologia Experimentalis et Applicata, 140(2), 134-138. Abstract.
Yasuda T, Oku K, Higuchi H, Suzuki T, Kashin J, Kichishima T, Watanabe T, Takeda A, Yasuda M, Tabuchi K, et al (2010). A multi-species pheromone lure: a blend of synthetic sex pheromone components for two mirid species, Stenotus rubrovittatus (Matsumura) and Trigonotylus caelestialium (Kirkaldy) (Heteroptera: Miridae). Applied Entomology and Zoology, 45(4), 593-599. Abstract.
Oku K, Yasuda T (2010). Effects of age and mating on female sex attractant pheromone levels in the sorghum plant bug, Stenotus rubrovittatus (Matsumura). J Chem Ecol, 36(5), 548-552. Abstract.  Author URL.
Oku K, Okutani-Akamatsu Y, Watanabe T (2010). Effects of female age and ovarian development on mating behavior in Stenotus rubrovittatus (Heteroptera: Miridae). Annals of the Entomological Society of America, 103(5), 802-805. Abstract.
Oku K, Vermeer KMCA, Verbaarschot P, de Jong PW (2010). Effects of starvation and mating status on the activity of the flea beetle, Phyllotreta nemorum (Coleoptera: Chrysomelidae). European Journal of Entomology, 107(4), 549-551. Abstract.
Oku K (2010). Males of the two-spotted spider mite attempt to copulate. with mated females: effects of double mating on fitness. of either sex. Exp Appl Acarol, 50(2), 107-113. Abstract.  Author URL.
Oku K (2009). Effects of density experience on mate guarding behavior by adult male Kanzawa spider mites. Journal of Ethology, 27(2), 279-283. Abstract.
Oku K (2009). Female mating strategy during precopulatory mate guarding in spider mites. Animal Behaviour, 77(1), 207-211. Abstract.
de Jong PW, Breuker CJ, Vos HD, Vermeer KMCA, Oku K, Verbaarschot P, Nielsen JK, Brakefield PM (2009). Genetic differentiation between resistance phenotypes in the phytophagous flea beetle, Phyllotreta nemorum. J Insect Sci, 9, 1-8. Abstract.  Author URL.
Yasuda T, Oku K, Higuchi H, Shigehisa S, Okutani-Akamatsu Y, Watanabe T, Takahashi A, Sugeno W, Yamashita M, Fukumoto T, et al (2009). Optimization of blends of synthetic sex pheromone components for attraction of the sorghum plant bug Stenotus rubrovittatus (Matsumura) (Heteroptera: Miridae). Applied Entomology and Zoology, 44(4), 611-619. Abstract.
Oku K, Magalhães S, Dicke M (2009). The presence of webbing affects the oviposition rate of two-spotted spider mites, Tetranychus urticae (Acari: Tetranychidae). Exp Appl Acarol, 49(3), 167-172. Abstract.  Author URL.
Oku K, Yano S (2008). Effects of predation risk on mating behavior of the Kanzawa spider mite. Journal of Ethology, 26(2), 261-266. Abstract.
Oku K (2008). Is only the first mating effective for females in the Kanzawa spider mite, Tetranychus kanzawai (Acari: Tetranychidae)?. Exp Appl Acarol, 45(1-2), 53-57. Abstract.  Author URL.
Oku K, Yano S (2007). Spider mites (Acari: Tetranychidae) deform their host plant leaves: an investigation from the viewpoint of predator avoidance. Annals of the Entomological Society of America, 100(1), 69-72. Abstract.
Oku K, Yano S, Takafuji A (2006). Host plant acceptance by the phytophagous mite Tetranychus kanzawai Kishida is affected by the availability of a refuge on the leaf surface. Ecological Research, 21(3), 446-452. Abstract.
Oku K, Yano S, Osakabe M, Takafuji A (2005). Mating strategies of Tetranychus kanzawai (Acari: Tetranychidae) in relation to mating status of females. Annals of the Entomological Society of America, 98(4), 625-628. Abstract.
Furuichi H, Oku K, Yano S, Takafuji A, Osakabe M (2005). Why does the predatory mite Neoseiulus womersleyi Schicha (Acari: Phytoseiidae) prefer spider mite eggs to adults?. Applied Entomology and Zoology, 40(4), 675-678. Abstract.
Oku K, Yano S, Takafuji A (2004). Nonlethal indirect effects of a native predatory mite, Amblyseius womersleyi Schicha (Acari: Phytoseiidae), on the phytophagous mite Tetranychus kanzawai Kishida (Acari: Tetranychidae). Journal of Ethology, 22(1), 109-112. Abstract.
Oku K, Yano S, Takafuji A (2003). Different maternal effects on diapause induction of tetranychid mites, Tetranychus urticae and T. kanzawai (Acari: Tetranychidae). Applied Entomology and Zoology, 38(2), 267-270. Abstract.
Oku K, Yano S, Takafuji A (2003). Spider mite's use of a refuge during the quiescent stage in the presence of a predator. Entomologia Experimentalis et Applicata, 108(1), 71-74.
Oku K, Yano S, Osakabe M, Takafuji A (2003). Spider mites assess predation risk by using the odor of injured conspecifics. J Chem Ecol, 29(11), 2609-2613. Abstract.  Author URL.
Oku K, Yano S, Takafuji A (2002). Different maternal effects on offspring performance in tetranychid mites, Tetranychus kanzawai and T. urticae (Acari: Tetranychidae). Applied Entomology and Zoology, 37(3), 425-429. Abstract.
Oku K, Yano S, Takafuji A (2002). Phase variation in the Kanzawa spider mite, Tetranychus kanzawai Kishida (Acari: Tetranychidae). Applied Entomology and Zoology, 37(3), 431-436. Abstract.

Publications by year


2018

Oku K, Poelman EH, de Jong PW, Dicke M (2018). Female response to predation risk alters conspecific male behaviour during pre-copulatory mate guarding. ETHOLOGY, 124(2), 122-130. Author URL.

2017

Oku K, van den Beuken TPG (2017). Male behavioural plasticity depends on maternal mating status in the two-spotted spider mite. Exp Appl Acarol, 71(4), 319-327. Abstract.  Author URL.

2016

Oku K (2016). Precopulatory mate guarding influences the development of quiescent deutonymph females in the two-spotted spider mite (Acari: Tetranychidae). Exp Appl Acarol, 68(1), 33-38. Abstract.  Author URL.

2015

Oku K, Weldegergis BT, Poelman EH, De Jong PW, Dicke M (2015). Altered volatile profile associated with precopulatory mate guarding attracts spider mite males. J Chem Ecol, 41(2), 187-193. Abstract.  Author URL.
Archer CR, Duffy E, Hosken DJ, Mokkonen M, Okada K, Oku K, Sharma MD, Hunt J (2015). Sex-specific effects of natural and sexual selection on the evolution of life span and ageing in Drosophila simulans. Functional Ecology, 29(4), 562-569. Abstract.

2014

Oku K, Yamane T (2014). Do male-derived substances affect female mating receptivity and release of sex pheromone by females of the sorghum plant bug stenotus rubrovittatus (hemiptera: Miridae)2. European Journal of Entomology, 111(1), 19-23. Abstract.
Oku K, Saito Y (2014). Do males evaluate female age for precopulatory mate guarding in the two-spotted spider mite?. Journal of Ethology, 32(1), 1-6. Abstract.
Oku K (2014). Sexual selection and mating behavior in spider mites of the genus Tetranychus (Acari: Tetranychidae). Applied Entomology and Zoology, 49(1), 1-9. Abstract.

2013

Oku K (2013). Does female mating history affect mate choice of males in the two-spotted spider mite Tetranychus urticae?. Acarologia, 53(2), 217-220. Abstract.
Kitsunezuka K, Okutani-Akamatsu Y, Watanabe T, Oku K (2013). Effects of male age on the mating behavior of both sexes in the sorghum plant bug, Stenotus rubrovittatus (Hemiptera: Miridae). Applied Entomology and Zoology, 48(1), 73-77. Abstract.
Oku K, Shimoda T (2013). Indirect evidence that guarded quiescent deutonymph females invest energy to attract conspecific males in the Kanzawa spider mite (Acari: Tetranychidae)?. Exp Appl Acarol, 60(4), 445-449. Abstract.  Author URL.

2012

Takeda A, Oku K, Sugeno W, Yasuda T, Watanabe T (2012). Monitoring sorghum plant bug, Stenotus rubrovittatus (Matsumura) (Hemiptera: Miridae), with a synthetic sex pheromone trap in paddy fields. Japanese Journal of Applied Entomology and Zoology, 56(1), 26-29. Abstract.

2011

Yasuda M, Mitsunaga T, Takeda A, Tabuchi K, Oku K, Yasuda T, Watanabe T (2011). Comparison of the effects of landscape composition on two mirid species in Japanese rice paddies. Applied Entomology and Zoology, 46(4), 519-525. Abstract.
Oku K, Kitsunezuka K (2011). Effects of male mating interval on spermatophore formation, transfer, and subsequent female receptivity and fecundity in the sorghum plant bug, Stenotus rubrovittatus. Entomologia Experimentalis et Applicata, 140(2), 134-138. Abstract.

2010

Yasuda T, Oku K, Higuchi H, Suzuki T, Kashin J, Kichishima T, Watanabe T, Takeda A, Yasuda M, Tabuchi K, et al (2010). A multi-species pheromone lure: a blend of synthetic sex pheromone components for two mirid species, Stenotus rubrovittatus (Matsumura) and Trigonotylus caelestialium (Kirkaldy) (Heteroptera: Miridae). Applied Entomology and Zoology, 45(4), 593-599. Abstract.
Oku K, Yasuda T (2010). Effects of age and mating on female sex attractant pheromone levels in the sorghum plant bug, Stenotus rubrovittatus (Matsumura). J Chem Ecol, 36(5), 548-552. Abstract.  Author URL.
Oku K, Okutani-Akamatsu Y, Watanabe T (2010). Effects of female age and ovarian development on mating behavior in Stenotus rubrovittatus (Heteroptera: Miridae). Annals of the Entomological Society of America, 103(5), 802-805. Abstract.
Oku K, Vermeer KMCA, Verbaarschot P, de Jong PW (2010). Effects of starvation and mating status on the activity of the flea beetle, Phyllotreta nemorum (Coleoptera: Chrysomelidae). European Journal of Entomology, 107(4), 549-551. Abstract.
Oku K (2010). Males of the two-spotted spider mite attempt to copulate. with mated females: effects of double mating on fitness. of either sex. Exp Appl Acarol, 50(2), 107-113. Abstract.  Author URL.

2009

Oku K (2009). Effects of density experience on mate guarding behavior by adult male Kanzawa spider mites. Journal of Ethology, 27(2), 279-283. Abstract.
Oku K (2009). Female mating strategy during precopulatory mate guarding in spider mites. Animal Behaviour, 77(1), 207-211. Abstract.
de Jong PW, Breuker CJ, Vos HD, Vermeer KMCA, Oku K, Verbaarschot P, Nielsen JK, Brakefield PM (2009). Genetic differentiation between resistance phenotypes in the phytophagous flea beetle, Phyllotreta nemorum. J Insect Sci, 9, 1-8. Abstract.  Author URL.
Yasuda T, Oku K, Higuchi H, Shigehisa S, Okutani-Akamatsu Y, Watanabe T, Takahashi A, Sugeno W, Yamashita M, Fukumoto T, et al (2009). Optimization of blends of synthetic sex pheromone components for attraction of the sorghum plant bug Stenotus rubrovittatus (Matsumura) (Heteroptera: Miridae). Applied Entomology and Zoology, 44(4), 611-619. Abstract.
Oku K, Magalhães S, Dicke M (2009). The presence of webbing affects the oviposition rate of two-spotted spider mites, Tetranychus urticae (Acari: Tetranychidae). Exp Appl Acarol, 49(3), 167-172. Abstract.  Author URL.

2008

Oku K, Yano S (2008). Effects of predation risk on mating behavior of the Kanzawa spider mite. Journal of Ethology, 26(2), 261-266. Abstract.
Oku K (2008). Is only the first mating effective for females in the Kanzawa spider mite, Tetranychus kanzawai (Acari: Tetranychidae)?. Exp Appl Acarol, 45(1-2), 53-57. Abstract.  Author URL.

2007

Oku K, Yano S (2007). Spider mites (Acari: Tetranychidae) deform their host plant leaves: an investigation from the viewpoint of predator avoidance. Annals of the Entomological Society of America, 100(1), 69-72. Abstract.

2006

Oku K, Yano S, Takafuji A (2006). Host plant acceptance by the phytophagous mite Tetranychus kanzawai Kishida is affected by the availability of a refuge on the leaf surface. Ecological Research, 21(3), 446-452. Abstract.

2005

Oku K, Yano S, Osakabe M, Takafuji A (2005). Mating strategies of Tetranychus kanzawai (Acari: Tetranychidae) in relation to mating status of females. Annals of the Entomological Society of America, 98(4), 625-628. Abstract.
Furuichi H, Oku K, Yano S, Takafuji A, Osakabe M (2005). Why does the predatory mite Neoseiulus womersleyi Schicha (Acari: Phytoseiidae) prefer spider mite eggs to adults?. Applied Entomology and Zoology, 40(4), 675-678. Abstract.

2004

Oku K, Yano S, Takafuji A (2004). Nonlethal indirect effects of a native predatory mite, Amblyseius womersleyi Schicha (Acari: Phytoseiidae), on the phytophagous mite Tetranychus kanzawai Kishida (Acari: Tetranychidae). Journal of Ethology, 22(1), 109-112. Abstract.

2003

Oku K, Yano S, Takafuji A (2003). Different maternal effects on diapause induction of tetranychid mites, Tetranychus urticae and T. kanzawai (Acari: Tetranychidae). Applied Entomology and Zoology, 38(2), 267-270. Abstract.
Oku K, Yano S, Takafuji A (2003). Spider mite's use of a refuge during the quiescent stage in the presence of a predator. Entomologia Experimentalis et Applicata, 108(1), 71-74.
Oku K, Yano S, Osakabe M, Takafuji A (2003). Spider mites assess predation risk by using the odor of injured conspecifics. J Chem Ecol, 29(11), 2609-2613. Abstract.  Author URL.

2002

Oku K, Yano S, Takafuji A (2002). Different maternal effects on offspring performance in tetranychid mites, Tetranychus kanzawai and T. urticae (Acari: Tetranychidae). Applied Entomology and Zoology, 37(3), 425-429. Abstract.
Oku K, Yano S, Takafuji A (2002). Phase variation in the Kanzawa spider mite, Tetranychus kanzawai Kishida (Acari: Tetranychidae). Applied Entomology and Zoology, 37(3), 431-436. Abstract.

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