Resumen

GUIDOTI, Marcus  y  MONTEMAYOR, Sara I.. An interesting new species of Sphaerocysta (Heteroptera, Tingidae) from Argentina, with the description of its ffth instar nymph. Rev. Soc. Entomol. Argent. [online]. 2014, vol.73, n.1-2, pp.27-34. ISSN 0373-5680.

A new Neotropical species of Sphaerocysta Stål, (Hemiptera, Heteroptera, Tingidae) is described. Sphaerocysta costai n. sp. was collected in the Argentinian Yungas, in the provinces of Jujuy (Calilegua) and Salta (Urundel). The most important diagnostic characters are illustrated for adults and fifthinstar nymphs. This new species provides relevant evidence for the understanding of evolutionary trends within the family as its nymphal morphology exhibits unique features among Tingidae. Comments on the systematics of Sphaerocysta, and an identification key to its species are provided.

Palabras clave : Sphaerocysta costai n. sp. Yungas; Evolution; Morphological characters.

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