Ibarra-Nuñez, G. 1990 Arthropods associated with coffee trees in a mixed plantation in Soconusco, Chiapas, Mexico. I. Variety and abundance.. Folia Entomologica Mexicana (79): 207-231.

Notes: Abstract: Biweekly sampling of coffee plants from a mixed coffee plantation revealed specimens from 21 arthropod orders from 258 families and 609 species; Diaspididae are among the most abundant at 9.4%; among the abundant scale species recorded are Saissetia coffeae, Selenaspidus articulatus and Ischnaspis longirostris.