Gassen, D.N. 1989 Insetos subterràneos prejudiciais às culturas no sul do Brasil. [Underground insects that attack cultivated plants in the south of Brazil.].. Documentos (EMBRAPA/CNPT) 13: 49 pp.
Notes: Subterranean pest insects discussed include Eurhizococcus brasiliensis, Antonina graminis and Pseudococcus spp.