Vélez-Bravo, Andrés H.

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    Revision and phylogeny of the neotropical subfamily Nyctiborinae (Dictyoptera: Blattaria: Ectobiidae)
    (2012) Vélez-Bravo, Andrés H.; Cafaro, Matías J.; College of Arts and Sciences - Sciences; Acosta Martínez, Jaime; Franz, Nico M.; Department of Biology; Cruz, José
    The neotropical cockroach subfamily Nyctiborinae Kirby, 1904 (Dictyoptera: Ectobiidae) is reviewed. A redescription for the subfamily and eight of its nine genera is undertaken, with emphasis on composition and morphology of the genital sclerites. The subfamily is composed of the following genera: Eunyctibora Shelford, 1908 (sensu lato), Eushelfordiella Lopes & de Oliveira, 2007, Megaloblatta Dohrn, 1887, Muzoa Hebard, 1921, Nyctantonina Vélez gen. nov, Nyctibora Burmeister, 1838 (sensu lato), Paramuzoa Roth, 1973, Paratropes Serville, 1839 and Pseudischnoptera Saussure, 1869. The monophyly of Nyctiborinae is supported by the following synapomorphies: process "via" of the claw-shaped genital sclerite L2 and pronotum and tegmina covered with a fine silky pubescence. A key to the genera of Nyctiborinae is presented, and the genital sclerites for many species are illustrated. A morphological cladistic analysis of 47 terminal species (seven outgroup and 40 ingroup) from 80 characters yields eight equally most parsimonious cladograms (L = 306, CI = 34, RI = 77). In the strict consensus tree, the paraphyly of Paratropes and the polyphyly of Eunyctibora and Nyctibora are supported. Based on the cladogram, Eushelfordia is considered as synonymous of Paratropes. The new genus Nyctantonina is described, based on the type species N. zapaluta Vélez, sp. nov., and placed in the subfamily. This new genus is defined by two synapomorphic characters: (1) the complex R1t+R2 has the right arm (R1t) short, reaching only 1/5 the length of the left arm and (2) left arm has a projection that arises from its right lateral margin and which extends beyond the right lateral margin of R1t.