Abstract
Nesoecia Scudder, 1893 is a neotropical genus of true katydids (Pseudophyllinae) comprising four species: N. brasiliensis (Bruner, 1915) from Brazil (Bahia), N. cooksonii (Butler, 1877) from Ecuador (Galápagos, Floreana Island), and two species from southern Mexico: N. insignis (Hebard, 1932) from Yucatán (Temax and Chichen-Itza), and N. nigrispina (Stål, 1873) reported also from Yucatán and the State of Tabasco (Teapa). Members of this genus are large and attractive insects, nonetheless, they have been poorly studied since they are not abundant or commonly collected. This paper describes four new species of Nesoecia from the Huasteca Region in northeastern México: N. huichihuayan n. sp., N. potoniya n. sp., N. insolita n. sp., and N. constricta n. sp. Taxa delimitation is based on morphological diagnostic characters and parameters of the acoustic signal. Information on distribution, habitat, and behavior is provided. [urn:lsid:zoobank.org:act:B932F2DC-97F4-4751-A6F7-0869318364FA]
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