Defenders of the aphidNipponaphis distyliicola (Homoptera) in its completely closed gall

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[2]  S. Aoki,et al.  First-instar aphids produced late by the fundatrix ofCeratovacuna nekoashi (Homoptera) defend their closed gall outside , 1988, Journal of Ethology.

[3]  S. Aoki,et al.  Soldiers of a European gall aphid,Pemphigus spyrotecae (Homoptera: Aphidoidea): Why do they molt? , 1986, Journal of Ethology.

[4]  N. Moran Defenders in the North American aphidPemphigus obesinymphae , 1993, Insectes Sociaux.

[5]  W. Foster Experimental evidence for effective and altruistic colony defence against natural predators by soldiers of the gall-forming aphid Pemphigus spyrothecae (Hemiptera : Pemphigidae) , 1990, Behavioral Ecology and Sociobiology.

[6]  D. Noordam Hormaphidinae from Java (Homoptera : Aphididae) , 1991 .

[7]  S. Aoki,et al.  Soldiers of Astegopteryx styraci (Homoptera, Aphidoidea) Clean their Gall , 1989 .

[8]  Y. Itô,et al.  The evolutionary biology of sterile soldiers in aphids. , 1989, Trends in ecology & evolution.

[9]  M. Miyazaki Forms and Morphs of Aphids , 1987 .

[10]  Yosiaki Itǒ Neothoracaphis yanonis (MATSUMURA)(Homoptera : Aphididae) : A spring Host of a Kleptoparasitic Moth, Nola innocua BUTLER(Lepidoptera : Nolidae) , 1984 .

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[12]  I. Hattori A kleptoparasitic moth, Nola innocua, attacking aphid galls , 1982 .

[13]  S. Aoki Colophina clematis (Homoptera, Pemphigidae), an aphid species with "soldiers." , 1977 .

[14]  D. Lambers Polymorphism in Aphididae , 1966 .