Schwartz G., Hanazaki N., Silva M. B., Izzo T. J., Bejar M. P., Mesquita M. R., Fernandes G. W., 2003: Evidence for a stress Hypothesis: Hemiparasitism effect on the colonization of Alchornea castaneaefolia A. Juss. (Euphorbiaceae) by galling insects. 6 pp. Acta Amazonica 33(2): 275-280.
 
GAL 25
Shortsouse J. D., 1986: Significance of nutritive cells in insect galls. 8 pp. Proc. Entomol. Soc. Wash. 88(2): 368-675.
 
AVE 50
Sunose T., 1980: Predation by tree-sparrow (Passer montanus L.) on gall-making aphids. 8 pp. Kontyu, Tokyo 48(3): 362-369.