Abstract :
Se describen e ilustran 16 especies: D. alius sp. nov., D. bonaerensis sp. nov., D. cacao sp. nov., D. caribensis sp. nov., D. fusagasugae sp. nov., D. gracilis sp. nov., D. patagonicus sp. nov., D. perotensis sp. nov., D. pini sp. nov., D. plenus sp. nov., D. rex sp. nov., D. tillandsiae sp. nov., D. tococae sp. nov., D. umbambae sp. nov., D. varius sp. nov., D. vescum sp. nov. y se diagnostican 19: D. boninsis (Kuwana), D. brachydactylus Miller & McKenzie, D. brevipes (Cockerell), D. dactylus Miller & McKenzie, D. dadensis Williams & Granara de Willink, D. grassi(Leonardi), D. hambletoni Wlliams & Granara de Willink, D. hurdi McKenzie, D. inquilinus (Newstead), D. joannesiae (Costa Lima), D. mackenziei Beardsley, D. neobrevipes Beardsley, D. pinicolus McKenzie, D. probrevipes (Morrison), D. radicis Green, D. rapaneae Williams & Granara de Willink, D. sylvarum Williams & Granara de Willink, D. texensis (Tinsley) y D. tibouchinae (Hambleton). Se cita por primera vez para la Argentina, D. brachydactylus; para Costa Rica, D. hambletoni; para Cuba, D. hurdiy para Uruguay, D. brevipes. Las nuevas especies fueron encontradas en: Argentina: D. alius, D. bonaerensis y D, patagoniensis; Brasil: D. tococae y D. umbambae; Colombia: D. cacao, D. fusagasugae y D. vescum; Costa Rica: D. rex; Puerto Rico: D. plenum; México: D. perotensis, D, piniy D. tillandsiae; Brasil y Uruguay: D. umbambae; Colombia y Venezuela: D. caribensis y D. varius; Brasil, Costa Rica y Guyana: D. gracilis. Se incluye una clave para las 35 especies de Dysmicoccus de la región neotropical, que afectan 178 especies reunidas en 50 familias vegetales; se amplía la distribución de varias especies. PALABRAS CLAVE. Cochinillas harinosas. Plantas hospederas. Distribución neotropical. Sixteen new species are described and illustrated in the present paper: D. aliussp. nov., D. bonaerensissp. nov., D. cacao sp. nov., D. caribensis sp. nov., D. fusagasugae sp. nov., D. gracilis sp. nov., D. patagonicus sp. nov., D. perotensis sp. nov., D. pini sp. nov., D. plenus sp. nov. D. rex sp. nov., D. tillandsiae sp. nov., D. tococae sp. nov., D. umbambae sp. nov., D. varius sp. nov. and, D. vescum sp. nov.; 19 species are diagnosed: D. boninsis (Kuwana), D. brachydactylus Miller & McKenzie, D. brevipes (Cockerell), D. dactylus Miller & McKenzie, D. darienensis Williams & Granara de Willink, D. grassii (Leonardi), D. hambletoni Williams & Granara de Willink, D. hurdi McKenzie, D. inquilinus (Newstead), D. joannesiae (Costa Lima), D. mackenziei Beardsley, D. neobrevipes Beardsley, D. pinicolus McKenzie, D. probrevipes (Morrison), D. radicis Green, D. rapaneae Williams & Granara de Willink, D. sylvarum Williams & Granara de Willink, D. texensis (Tinsley) and D. tibouchinae (Hambleton). D. brachydactylus is cited for the first time for Argentina, D. hambletoni for Costa Rica, D. hurdi for Cuba and D. brevipes for Uruguay. The new species found from Argentina are: D. alius, D. bonaerensis and D. patagoniensis; from Brasil: D. tococae and D. umbambae; from Colombia: D. cacao, D. fusagasugae and D. vescum; from Costa Rica: D. rex-, from Puerto Rico: D. plenum; from Mexico: D. perotensis, D. pini and D. tillandsiae; from Brasil and Uruguay: D. umbambae; from Colombia and Venezuela: D. caribensis and D. varius; from Brasil, Costa Rica and Guyana: D. gracilis. The Dysmicoccus key for the Neotropical Region includes 35 species that were found on 178 plant species and 50 botanic families; the geografical distribution of some species is broaden. KEY WORDS. Mealybugs. Hosts plants. Neotropical distribution.
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