Resumen en español

Collecting localities, plant hosts and associated ants of 34 species of mealybugs and putoids (Hemiptera: Coccoidea: Pseudococcidae and Putoidae) in Colombia collected during 1995–2008 are provided. Brief notes on their biology, taxonomy and distribution are given. Eleven species, Dysmicoccus sp., Ferrisia sp., Maconellicoccus hirsutus (Green), Nipaecoccus sp. 1, Nipaecoccus sp. 2, Phenacoccus solani Ferris, Ph. solenopsis Tinsley, Planococcus halli Ezzat & McConnell, Prorhizoecus sp., Pseudococcus calceolariae (Maskell), and Rhizoecus mayanus (Hambleton) are newly recorded from Colombia. An updated list of 78 mealybug species from Colombia is given.