The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Masters, K. 2000. Sex and Social Life of Umbonia Treehoppers. In Monteverde Ecology and Consevation of a Tropical Cloud Forest. Eds. Nadkarni, N. M. & Wheelwright, N. T. Oxford University Press. New York. Pp.103-104.
  • McKamey S. (2015). MOWD: Membracoidea of the World Database (version 1011, Nov 2010). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Mead, F. W. The thorn bug, Umbonia crassicornis, (Amyot y Serville) (Homoptera:Membracidae). Florida Dept. Agr. Div. Plant Industry, Ent. Circ. no 8.
  • Metcalf Z. P. & Wade, V. 1965. General Catalogue of the Homoptera. A supplement to fascicle I -Membracidae of the general catalogue of the Hemiptera. Membracoidea. In two sections. North Carolina State University, Raleigh, 1552 pp.
  • Wood, T. K. 1974. Aggregating behavior of Umbonia crassicornis (Homoptera: Membracidae).Can Ent. 106: 169-73.
  • Wood, T. K. 1975. Defense in presocial membracids (Homoptera: Membracidae). Can Ent. 107: 1227-31.
  • Wood, T. K. 1976. Alarm behavior of brooding female Umbonia crassicornis: The role of the pronotum and adult agreggations. Ann. Ent. Soc. Am. 69:340-44.
  • Wood, T. K. 1983. Umbonia crassicornis (Bicho Espino, Thorn Bug, Treehopper) (In D. H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago. xi, 816 p.


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