New host plant and geographic distribution records are presented for 22 scale insect species of six families collected in the Brazilian states of Espírito Santo, Ceará, and Pernambuco during 2006 to 2009. Nine species, Aclerda takahashii Kuwana, 1932, Ceroplastes cirripediformis Comstock, 1881, C. acutus Peronti, 2008, C. stellifer (Westwood, 1871), Howardia biclavis (Comstock, 1883), Insignorthezia insignis (Browne, 1887), Dysmicoccus texensis (Tinsley, 1900), Nipaecoccus cf. nipae, and Planococcus halli Ezzat, 1962, are registered for the first time in Espírito Santo, and this is the initial record of Aclerdidae in this state.