An annotated list of the Cuban fauna of Orthoptera is presented. For each species we include details of valid names, synonyms, type specimens (type category, sex, locality and depository), geographic distribution and bibliographic references. Clarifying notes are added, as well as comments on the species considered doubtful. A total of 140 species included in 62 genera, 31 subfamilies and 12 families make up the known Cuban fauna of Orthoptera. The family Episactidae, the acridid subfamily Ommatolampidinae with 3 unknown genera, 3 unknown genera of Tettigoniidae (Conocephalinae) and 1 undescribed new genus of Tetrigidae (Cladonotinae) are here recorded for the first time from Cuba. Syntypes are designated for Hygronemobius histrionicus Zayas.

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This article present the case of an adult female of the katydid Erechthis gundlachi Bolívar, 1888 (Orthoptera: Tettigoniidae: Conocephalinae: Agraeciini) eating a very young juvenile of the lizard Anolis homolechis (Cope, 1864).

The genus Acridurus Perez, Dominici, Hierro & Otte, 1995 is herein recorded for the first time from Cuba, based on a new species. Acridurus baracoae n. sp. is described on the basis of four specimens from three separate localities enclaved in the northeastern mountains of the main island (Holguín and Guantánamo Provinces). The description herein presented is supported by a thorough illustrative complement, which includes a precise map and color photographs of habitus, main morphological diagnostic characters and habitat.

The first part of the revision of genus Dellia Stål, 1878, comprising Cuba in the Greater Antilles, is presented here. Dellia insulana Stål, 1878, the type-species, is redescribed and illustrated for the first time. Dellia multicolor Carl, 1916 stat. resurr. is restored as valid species, redescribed from both sexes, illustrated for the first time, its type locality is defined and its geographical distribution is clarified. Seven new species are also described: Dellia albida n. sp., Dellia atrostriata n. sp., Dellia brauni n. sp., Dellia megalapida n. sp., Dellia melici n. sp., Dellia siboney n. sp., and Dellia zephyra n. sp. All nine species are described and compared in detail, supported by a thorough photographic complement.