V. 水生半翅類の調査法. V1. 水生半翅類調査への環境DNAの適用. 大庭伸也（編）環境Eco選書. 水生半翅類の生物学. 北隆館. 2018 Author:土居秀幸・片野泉・東城幸治.
IV. 系統地理学的研究. IV-1. コオイムシ類の分子系統解析から紐解く日本産淡水生半翅類相の形成プロセス. 大庭伸也（編）環境Eco選書. 水生半翅類の生物学. 北隆館. 2018 Author:鈴木智也・東城幸治.
Chapter 8. The Species and Genetic Diversities of Insects in Japan, with Special Reference to the Aquatic Insects. In: Species Diversity of Animal in Japan (Motokawa, M. and Kajihara, H. eds). Springer, Japan. , : 230-247. 2016 Author: Tojo, K., K. Sekine, T. Suzuki, R Saito and M. Takenaka.
Chapter 7. The Current Distribution of Aquatic insects Inhabiting River Systems, with Respect to Their Population and Genetic Structures NOVA Science Publishers, Inc. , : 157-161. 2010 Author: Tojo, K.
Chapter 5. Parthenogenesis of insects and Their Habitats NOVA Science Publishers, Inc. , : 143-150. 2010 Author: Sekine, K. and K. Tojo.
Genetic diversity in the headwater-specificmayflies based on the mitochondrial 16S rRNA gene sequences. (Hauer, F.R., Staniford A. and Newell R.L. eds). University California Press, Berkeley. , International Advances in the Ecology, Zoogeography and Systematics of Mayflies and Stoneflies. University of California Press. Barkeley, Los Angeles. , : 117-123. 2008 Author: Tojo, K.
論文 Embryogenesis of the damselfly Euphaea yayeyamana Oguma (Insecta: Odonata: Euphaeidae), with special reference to the formation of their larval abdominal ‘gill-like’ appendages Entomol. Sci., (in press). 2020 Author: Suzuki, K., Y. Watanabe and K. Tojo.
Identifying a “pseudogene” for the mitochondrial DNA COI region of the corixid aquatic insect, Hesperocorixa distanti (Heteroptera, Corixidae) Limnology., (in press). 2020 Author: Yano, K., M. Takenaka, T. Mitamura and K. Tojo.
A phylogenetically distinct group of Glandirana rugosa found in Kyushu, Japan. Zool. Sci., (in press). 2020 Author: Oike, A., M. Mochizuki, K. Tojo, Y. Nakamura, S. Yasumasu, T. Matsuo, E. Ito, T. Arai and M. Nakamura.
Evaluation of the effectiveness of a "hand-pairing" cross-breeding experiment in Ephemeroptera Zoosymposia, (in press). 2019 Author: Takenaka, M., K. Sekine, K. Yano and K. Tojo.
Genealogical position of Japanese populations of the globally distributed mayfly Cloeon dipterum and related species (Ephemeroptera, Baetidae): A molecular phylogeographic analysis Zool. Sci., 36: 1-11. 2019 Author: Yano, K., M. Takenaka and K. Tojo.
Parallel evolution of an alpine type ecomorph in a scorpionfly: Independent adaptation to high-altitude environments in multiple mountain locations Mol. Ecol. , 28: 3225-3240. 2019 Author: Suzuki, T., N. Suzuki and K. Tojo.
Concordance between molecular biogeography of Dipteromimus tipuliformis and geological history in the local fine scale (Ephemeroptera, Dipteromimidae) Mol. Phylogenet. Evol.. , 139: 106547. 2019 Author: Takenaka, M., T. Tokiwa and K. Tojo.
Molecular analyses of the genus Drunella (Ephemeroptera: Ephemerellidae) in the East Asian region Limnology,20: 243-254. 2019 Author: Jo, J. and K. Tojo.
Caddisflies collected with a Malaise trap at a springbrook of the Shimauchi-yusui in the Matsumoto Basin, central Japan: fauna and phenology Zoosymposia ,4121 (4): 485-494. 2019 Author: Nozaki, T., T. Ito and K. Tojo.
A mayfly’s rapid transition toward unisexual population Biol. J. Linn. Soc., (in press). 2019 Author: Sekine, K. and K. Tojo.
The first establishment of “hand-pairing” cross-breeding method for the most ancestral wing acquired insect group Zool. Sci.,36: 136-140. 2019 Author: Takenaka, M., K. Sekine and K. Tojo.
The ancient origin and large genetic differentiation across the geo-tectonic faults of a dipteromimid mayfly family endemic to the Japanese Islands Biol. J. Linn. Soc.,126: 555-573. 2019 Author: Takenaka, M. and K. Tojo.
Update on distribution area information of three species of Anisocentropus caddisflies Inhabiting the Japanese Islands (Trichoptera: Calamoceratidae) New Entomol.,67: 13-20. 2018 Author: Takenaka, M., S. Shibata, N. Shimura, T. Ito and K. Tojo.
Phylogeographic analyses of the Stenopsyche caddisflies (Trichoptera: Stenopsychidae) of the Asian Region Freshw. Sci.,37: 562-572. 2018 Author: Saito, R., S. Kato, , R.B. Kuranshi, . Min, T. Nozaki, T. Fujino, K. Tojo,
Origin of sex chromosomes in six groups of Rana rugosa frogs inferred from a sex-linked DNA marker J. Exper. Zool. Ser. A:Ecol. Integr. Physiol.,2017: 1-10. 2017 Author: Oike, A., K. Watanabe, M.-S. Min, K. Tojo, M. Kumagai, Y. Kimoto, T. Yamashiro, T. Matsuo, M. Kodama, Y. Nakamura, M. Notsu, T. Tochimoto, H. Fujita, M. Ota, E. Ito, S. Yasumatsu and M. Nakamura.
Establishing of genetic analyses methods of feces from the water shrew, Chimarrogale platycephalus (Erinaceidae, Eulipotyphala) JSM Biol.,2:1010 2017 Author: Sekiya, T., H. Ichiyanagi and K. Tojo.
Detection of an endangered aquatic heteropteran using environmental DNA in a wetland ecosystem. Royal Society Open Science in press Roy. Soc. Open Sci. ,4:170568 2017 Author: Doi, H., I. Katano, Y. Sakata, R. Souma, T. Kosuge, M. Nagano, K. Ikeda, K. Yano and K. Tojo.
Response of aquatic insects along gradients of agricultural development and flood magnitude in northern Japanese streams Aquat. Sci.,79: 985-994. 2017 Author: Sueyoshi, M., K. Tojo, N. Ishiyama and F. Nakamura.
Species diversity of insects in Japan: Their origins and diversification processes Entomol. Sci.,20: 357-381. 2017 Author: Tojo, K., K. Sekine, M. Takenaka, Y. Isaka, S. Komaki, T. Suzuki and S.D. Schoville.
The first record of Ephemeroptera on Minami-daito-jima Island: Information on the Cloeon sp. Specimens collected and their genetic structure New Entomol.,66: 24-29. 2017 Author: Yano, K., R.B. Kuranishi, M. Kimura, M. Aoyagi and K. Tojo.
A polymitarcyid mayfly, Ephoron shigae recorded in the Chikuma-Shinano river system in Niigata Prefecture, and its genetic structure New Entomol.,66: 1-7. 2017 Author: Tojo, K., M. Takenaka, S. Togashi and K. Sekine.
Firtst record of the cranefly genus Prionolabis sp. (Diptera: Limoniidae) in Kamikochi (Matsumoto, Nagano Prefecture) New Entomol.,65: 108-112. 2016 Author:Jo J.I., K. Mikami and K. Tojo.
Re-habitation and changes in the genetic diversity of aquatic insects in a newly restored shoal type habitat created as the result of a nature restoration project in the central basin of the Chikuma-gawa River Zoosymposia,10: 384-392. 2016 Author: Saito, R., K. Sekine and K. Tojo.
The list of caddisflies (Insecta, Trichoptera) collected in South Primorye during the symposium and post-symposium excursions of the XIV International Symposium on Trichoptera (5 and 8-13 July 2012) Zoosymposia,10: 64-84. 2016 Author: Vshivkova T., O. Flint, T. Ito, V. Ivanoc, R. Holzenthal, S. Melnitscky, W. Mey, M.W. Oh, K. Drozdov, K. Tojo, R. Saito and T. Torii.
A study into the distribution of the family Dipteromimidae, which is endemic to the Japanese Islands Biol. Inl. Wat. , Suppl. 3: 93-97. 2016 Author: Takenaka, M. and K. Tojo.
Phylogenetic analyses of the isonychiid mayflies (Ephemeroptera: Isonychiidae) of the East Palaearctic region Entomol. Res.,46: 246-259. 2016 Author: Saito, R., J.I. Jo, K. Sekine, J. Bae and K. Tojo.
Larvae and females of two Stenopsyche species in Taiwan with redescription of the male of S. formosana (Insecta: Trichoptera) Zootaxa,4121: 485-494. 2016 Author: Nozaki, T., R. Saito, N. Nishimura, L.P. Hsu and K. Tojo.
Comparing spatial patterns of population density, biomass, and genetic diversity patterns of the habitat generalist mayfly Isonychia japonica Ulmer (Ephemeroptera, Isonychiidae), in the riverine landscape of the Chikuma-Shinano River Basin Freshw. Sci.,35: 724-737. 2016 Author: Saito, R. and K. Tojo.
Complex geographic and habitat based niche partitioning of an East Asian habitat generalist mayfly Isonychia japonica (Ephemeroptera, Isonychiidae), with reference to differences in genetic structure Freshw. Sci.,35: 712-723. 2016 Author: Saito, R. and K. Tojo.
Paradiplozoon skrjabini (Monogenea, Diplozoidae), an ectoparasite on th egills of freshwater fishes (Cyprinidae, Leuciscinae) of Japan and Primorsky region, Russia: A morphological and molecular study Bull. Natl. Mus. Nat. Sci., Ser. A.,41: 137-154. 2015 Author: Shimazu, T., K. Kobayashi, K. Tojo, V.V. Besprozvannykh and K. Ogawa.
New record of the caddisfly genus Anisocentropus (Trichoptera: Calamoceratidae) on Yaku-shima Island New Entomol.,64: 55-59. 2015 Author: Tamura, M., M. Takenaka and K. Tojo.
A newly distribution recorded population of the caddisfly Hydatophylax nigrovittatus in Nagano Prefecture and its emergence period New Entomol.,64: 41-46. 2015 Author: Jo, J,I., R. Saito and K. Tojo.
Robust molecular phylogeny and palaeodistribution modelling resolve a complex evolutionary history: glacial cycling drove recurrent mtDNA introgression among Pelophylax frogs in East Asia J. Biogeogr.,42: 2159-2171. 2015 Author: Komaki, S.,T. Igawal, S.M. Lin, K. Tojo, M.S. Min and M. Sumida.
Unexpected monophyletic origin of Ephoron shigae unisexual reproduction strains and their rapid expansion across Japan Roy. Soc. Open Sci.,2(6):150072 2015 Author: Sekine, K., F. Hayashi and K. Tojo.
Facultative parthenogenesis in the burrowing mayfly Ephoron eophilum (Ephemeroptera: Polymitarcyidae) with an extremely short alate stage Eur. J. Entomol.,112: 606-612. 2015 Author: Sekine, K., K. Tojo and Y.J. Bae.
Distribution and genetic characteristics of Ephoron shigae (Ephemeroptera: Polymitarcyidae) in Korea Entomol. Res.,45: 150-157. 2015 Author: Sekine, K., K. Tojo and Y.J. Bae.
Detection of the genome of prey taken from the contents of the gastrointestinal tract of the water scorpion, Nepa hoffmanni, which is an extracorporeal digestion type predator (Heteroptera, Nepidae) New Entomol.,63: 53-56. 2014 Author: Yano, K., T. Suzuki and K. Tojo.
Distribution Record of Anisocentropus Caddisfly (Trichoptera, Calamoceratidae) in the Tsushima Islands New Entomol.,62: 45-49. 2014 Author: Takenaka, M., S. Shibata, T. Suzuki and K. Tojo.
Contrasting genetic structure of closely related giant water bugs: Phylogeography of Appasus japonicus and Appasus major (Insecta: Heteroptera, Belostomatidae) Mol. Phylogenet. Evol.,72: 7-16. 2014 Author: Suzuki, T., T. Kitano and K. Tojo.
Phylogeography of the East Aisan polymitarcyid mayfly genus Ephoron (Ephemeroptera: Polymitacyidae): A new attempt at phylogenetic analysis utilizing the nuclear DNA PEPCK gene Biol. Inl. Wat. Suppl. 2 (Proc. 2st Symp. BSA)., Suppl. 2: 115-123. 2013 Author: Sekine, K. and K. Tojo.
Molecular phylogeographic analysis of cryptoperlan stoneflies, with special reference to the genetic differentiation within the species Cryptoperla kawasawai (Insecta: Plecoptera, Peltoperlidae) Biol. Inl. Wat. Suppl. 2 (Proc. 1st Symp. BSA)., Suppl. 2: 49-58. 2013 Author: Kato, Y. and K. Tojo.
Morphological and genetic relationship of two closely-related giant water bugs: Appasus japonicus Vuillefroy and Appasus major Esaki (Heteroptera: Belostomatidae) Biol. J. Linn. Soc.,110: 615-643. 2013 Author: Suzuki, T., T. Tanizawa, K. Sekine, J. Kunimi and K. Tojo.
Phylogeography of the East Aisan polymitarcyid mayfly genus Ephoron (Ephemeroptera: Polymitacyidae): A comparative analysis of molecular and ecological characteristics Biol. J. Linn. Soc.,109: 181-202. 2013 Author: Sekine, K., F. Hayashi and K. Tojo.
Molecular phylogeographic analysis of East Asian cryptoperlan stoneflies (Insecta: Plecoptera, Peltoperlidae) Limnology.,14: 179-194. 2013 Author: Kato, Y., Y. Morii and K. Tojo.
A survey of the effectiveness of non-cell autonomous RNAi throughout development in the sawfly, Athalia rosae (Hymenoptera) J. Insect Physiol.,59: 400-407. 2013 Author: Yoshiyama, N., K. Tojo and M. Hatakeyama.
Origin of parthenogenesis in the geogaphically parthenogenetic mayfly Ephoron shigae (Ephemeroptera: Polymitacyidae) -Potential for parthenogenesis of females in a bisexual population Entomol. Res. Bull.,28: 25-28. 2012 Author: Sekine, K. and K. Tojo.
Origin of insect wins' -An embryological approach of the mayfly Bleptus fasciatus Eaton (Ephemeroptera, Heptageniidae) Entomol. Res. Bull.,28: 65-67. 2012 Author: Tojo, K. and K. Miyairi.
The origin and distribution expansion of unisexual populations in the geographically parthenogenetic mayfly, Ephoron shigae (Insecta: Ephemeroptera: Polymitarcyidae) Proc. Arthropod. Embryol. Soc. Jpn.,47: 33-35. 2012 Author: Sekine, K. and K. Tojo.
Distributional change and epidemic introgression in overlapping areas of Japanes pond frog species over 30 years Zool. Sci.,29(6): 351-358. 2012 Author: Komaki, S., A. Kurabayashi, I.M. Mafizul, K. Tojo and M. Sumida.
Potential for parthenogenesis of virgin females in the mayfly Ephoron eophilum (Insecta: Ephemeroptera, Polymitarcyidae) Proc. Arthropod. Embryol. Soc. Jpn.,46: 15-16. 2011 Author: Sekine, K. and K. Tojo.
Report of the rediscovery of a machilid bristletail Pedetontus diversicornis subsequent to its first recorded observation in 1925; With special reference to the newly found population's apparent parthenogenetic status (Archaeognatha; Machilidae) New Entomol.,60(1-2): 6-11. 2011 Author: Suzuki, T., N. Suzuki and K. Tojo.
Habitat segregation and genetic relationship of two heptageniid mayflies, Epeorus latifolium and Epeorus l-nigrus, in the Shinano-gawa River basin Limnology.,12: 117-125. 2011 Author: Ogiani, M., K. Sekine and K. Tojo.
Rapid expansion of the distributional range and the population genetic structure of the freshwater amphipod Crangonyx floridanus in Japan Limnology.,12: 75-82. 2011 Author: Nagakubo, A., K. Sekine, Y. Tanaka, R.B. Kuranishi, S. Kanada and K. Tojo.
Esrablishment of larval RNAi in the sawfly, Athalia rosae ruficornis Jakovlev (Hymenoptera) aiming at functional analysis of genes involved in appendage development during larval-adult transition Proc. Arthropod. Embryol. Soc. Jpn.,45: 35-36. 2010 Author: Yoshiyama, N., K. Tojo and M. Hatakeyama.
A preliminary note on formation of the digestive tract during the early embryonic stages in a viviparous scorpion Liocheles australasiae Proc. Arthropod. Embryol. Soc. Jpn.,45: 37-38. 2010 Author: Kano, T., K. Yamazaki and K. Tojo.
Characterization of abdominal appendages in the sawfly, Athalia rosae (Hymenoptera), by morphological and gene expression analyses Dev. Genes Evol.,220(1-2): 53-59. 2010 Author: Oka, K; Yoshiyama, N; Tojo, K; Machida, R; Hatakeyama, M
Reproductive biology and adaptability of the invasive alien freshwater amphipod Clangonyx floridanus (Crustacea: Amphipoda, Crangonyctidae) Zool. Sci.,27(6): 522-527. 2010 Author: Tojo, K., Y. Tanaka, R.B. Kuranishi and S. Kanada.
Evolutionary origin of the insect wing via integration of two developmental modules Evolution & Development,12: 168-176. 2010 Author: Niwa, N., A. Akimoto-Kato, T. Niimi, K. Tojo, R. Machida and S. Hayashi.
Automictic parthenogenesis of a geographically parthenogenetic mayfly, Ephoron shigae (Insecta: Ephemeroptera, Polymitarcyidae) Biol. J. Linn. Soc.,99: 335-343. 2010 Author: Sekine, K. and K. Tojo.
Potential for parthenogenesis of virgin females in a bisexual populaton of the geographically parthenogenetic mayfly Ephoron shigae (Insecta: Ephemeroptera, Polymitarcyidae) Biol. J. Linn. Soc.,99: 326-334. 2010 Author: Sekine, K. and K. Tojo.
Reporting the newly located habitat of a dipteromimid mayfly Dipteromimus flavipterus (Ephemeroptera, Dipteromimidae). New Entomol.,58: 79-82. 2009 Author: Morii, Y. and K. Tojo.
Embryogenesis of Crangonyx floridanus (Crustacea: Crangonyctidae). Proc. Arthropod. Embryol. Soc. Jpn.,44: 49-51. 2009 Author: Tanaka, Y. and K. Tojo.
Potential for parthenogenesis of females in a bisexual populaton of the geographically parthenogenetic mayfly Ephoron shigae (Ephemeroptera: Polymitarcyidae). Proc. Arthropod. Embryol. Soc. Jpn.,44: 33-34. 2009 Author: Sekine, K. and K. Tojo.
Plaeoptera or Metapterygota?: A comparative embryological approach. Proc. Arthropod. Embryol. Soc. Jpn.,43: 43-55. 2009 Author: Tojo, K.
Morphogenesis of the larval 'gill-like' abdominal protrusive structures in a damselfly, Euphaea yayeyamana Oguma (Insecta: Odonata, Euphaeidae). Proc. Arthropod. Embryol. Soc. Jpn.,43:21 2007 Author: Suzuki, K., Y. Watanabe and K. Tojo.
Exite'-like structure on thoracic appendicular bases of a mayfly Bleptus fasciatus Eaton (Insecta: Ephemeroptera, Heptageniidae). Proc. Arthropod. Embryol. Soc. Jpn.,42: 19-20. 2007 Author: Miyairi, K. and K. Tojo.
Notes on the pleuropodia in the giant water bug Appasus japonicus (Heteroptera, Belostomatidae). Proc. Arthropod. Embryol. Soc. Jpn.,42: 9-11. 2007 Author: Tanizawa, T., H. Ando and K. Tojo.
A comparative study of the number of the chromosomes between bisexual reproductive populations and parthenogenetic populations of the burrowing mayfly Ephoron shigae (Insecta: Ephemeroptera, Polymitarcyidae). Proc. Arthropod. Embryol. Soc. Jpn.,42: 7-8. 2007 Author: Sekine, K. and K. Tojo.
Incongruence between mtDNA phylogeny and morphological and ecological characters in loaches of the genus Lefua (Balitoridae, Cypriniformes). Zool.Sci.,24: 666-675. 2007 Author: Miyazaki, J.-I., K. Nakao, M. Mihara, T. Sakai, Y. Gunji, K. Tojo, K. Muraoka and K. Hosoya.
Biology of the mayfly Bleptus fasciatus Eaton (Insecta: Ephemeroptera, Heptageniidae), with special reference to the distribution, habitat environment, life cycle, and nuptial behavior. Limnology.,8: 85-93. 2007 Author: Miyairi, K. and K. Tojo.
Genetic diversity in the headwater-specific dipteromimid insects (Ephemeroptera, Dipteromimidae), based on the mitochondrial 16S rRNA gene sequences. Ann. Rep. Interdiscipl. Res. Inst. Environ. Sci.,25: 1-6. 2006 Author: Tojo, K.
Chorion of a South African heel-walker, Karoophasma biedouwensis Klass et al.: SEM observations (Insecta: Mantophasmatodea). Proc. Arthropod. Embryol. Soc. Jpn.,41: 29-35. 2006 Author: Uchifune, T., R. Machida, T. Tsutsumi and K. Tojo.
Reproductive mode of the geographic parthenogenetic mayfly Ephoron shigae, with findings from some new localities (Insecta: Ephemeroptera, Polymitarcyidae). Limnology.,7: 31-39. 2006 Author: Tojo, K., K. Sekine and A. Matsumoto.
Wmbryonic appendage development in the sawfly, Athalia rosae ruficornis (Hymenoptera): Involvement of decapentaplegic in the primary detemination. Proc. Arthropod. Embryol. Soc. Jpn.,40: 43-44. 2005 Author: Hatakeyama, M., D.S. Yamamoto, K. Tojo and J.M. Lee.
Ovarian structure and oogenesis of the South African heel-walker Karoophasma biedouwensis (Inscta: Mantophasmatodea). Proc. Arthropod. Embryol. Soc. Jpn.,40: 15-22. 2005 Author: Tsutsumi, T., K. Tojo and R. Machida.
Embryonic development of heel-walkers: Reference to some prerevolutionary stages (Insecta: Mantophasmatodea). Proc. Arthropod. Embryol. Soc. Jpn.,39: 31-39. 2004 Author: Machida, R., K. Tojo, T. Tsutsumi, T. Uchifune, K.-D. Klass, M.D. Picker and L. Pretorius.
Transmission electron microscopic observations of the egg membranes of a South African heel-walker, Karoophasma biedouwensis (Insecta: Mantophasmatodea). Proc. Arthropod. Embryol. Soc. Jpn.,39: 23-29. 2004 Author: Tsutsumi, T., R. Machida, K. Tojo, T. Uchifune, K.-D. Klass and M.D. Picker.
Biology of South African heel-walkers, with special reference to reproductive biology (Insecta: Mantophasmatodea). Proc. Arthropod. Embryol. Soc. Jpn.,39: 15-21. 2004 Author: Tojo, K., R. Machida, K.-D. Klass and M.D. Picker.
Cloning of a decapentaplegic orthologue from the sawfly, Athalia rosae (Hymenoptera), and its expression in the embryonic appendages. Dev. Genes Evol.,214: 128-133. 2004 Author: Yamamoto, S.D., M. Sumitani, K. Tojo, J.M. Lee and M. Hatakeyama.
The taxonomy, genitalic morphology, and phylogenetic relationships of South African Mantophasmatodea (Insecta). Entomol. Abh.,61: 3-67. 2003 Author: Klass, K.-D., M.D. Picker, J. Damgaard, S. van Noort and K. Tojo.
Techniques in embryological studies of mayflies (Insecta: Ephemeroptera). In: Gaino, E. (ed.) Research Update on Ephemeroptera and Plecoptera. University of Perugia, Perugia, Italy.,2003: 205-209. 2003 Author: Tojo, K. and R. Machida.
A description of the second species of the family Dipteromimidae (Insecta,Ephemeroptera), and genetic relationship of two dipteromimid mayflies inferred from mitochondrial 16S rRNA gene sequences. Zool. Sci.,20: 1249-1259. 2003 Author: Tojo, K. and K. Matsukawa.
Evolutionary changes in developmental potentials of the embryo proper and embryonic membranes in Hexapoda: A synthesis revised. Proc. Arthropod. Embryol. Soc. Jpn.,37: 1-11. 2002 Author: Machida, R., Y. Ikeda and K. Tojo.
Affinity of Ephemeroptera: A review of the proposed phylogenetic relationships of the major pterygote groups, the Ephemeroptera, Odonata, and Neoptera, based on comparative embryology. In: Bae, Y.J. (ed.) The 21st Century and Aquatic Entomology in East Asia. Proc. 1st Symp. AESEA.,2001: 85-96. 2001 Author: Tojo, K. and R. Machida.
Redescription of Brachycercus japonicus Gose, 1980 (Ephemeroptera, Caenidae). Entomol.Sci.,4: 369-377. 2001 Author: Tojo, K.
カゲロウ類の胚反転について（昆虫綱・カゲロウ目）. Proc. Arthropod. Embryol. Soc. Jpn.,36: 11-15. 2001 Author: Tojo, K. and R. Machida.
Egg structures of Japaneseephemerid species (Ephemeroptera). Entomol. Sci.,1: 573-579. 1998 Author: Tojo, K. and R. Machida.
Early embryonic development of the mayfly Ephemera japonica McLachlan (Insecta: Ephemeroptera, Ephemeridae). J. Morphol.,238: 327-335. 1998 Author: Tojo, K. and R. Machida.
Embryogenesis of the mayfly Ephemera japonica McLachlan (Insecta: Ephemeroptera, Ephemeridae), with special reference to abdominal formation. J. Morphol.,234: 97-107. 1997 Author: Tojo, K. and R. Machida.
Embryogenesis of Ephemera japonica McLachlan (Insecta: Ephemeroptera). Proc. Arthropod. Embryol. Soc. Jpn.,32: 25-28. 1997 Author: Tojo, K. and R. Machida.
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