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[文献書誌] Tanaka,S. & Y.iTO: "Reversal of caste production schedule in a eusocial aphid,Pseudoregma koshunensis" Naturwissenschaften. 81. 411-413 (1994)
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[文献書誌] Tanaka,S. & Y.Ito: "Interrelationships between the eusocial aphid,Pseudoregma bambucicola,and its syrphid predator,Eupeodes confrater" Japanese Journal of Entomology. 63. 221-228 (1995)
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[文献書誌] Ito,Y.,S.Tanaka,J.Yukawa,& K.Tsuji: "Factors affecting the proportion of soldiers in eusocial bamboo aphid,Pseudoregma bambucicola,colonies" Ethology Ecology & Evolution. 7. 335-345 (1995)
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[文献書誌] Kurosu,U.,I.Nishitani,Y,Ito & Aoki,S.: "Defenders of the aphid Nippoaphis distyliicola(Homoptera)in its completely closed gall." Journal of Ethology. 13. 133-136 (1995)