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1 January 2007 Enigmocarnus chloropiformis gen. et sp. nov., and Parallel Evolution of Protandrial Symmetry in Carnidae (Diptera)
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Abstract

Enigmocarnus chloropiformis Buck gen. et sp. nov. is described on the basis of a single male from east central Texas. The phylogeny of Carnidae is analyzed based on a matrix of 25 morphological characters, and a key to the World genera of Carnidae is presented. The new genus is characterized by a reduced head chaetotaxy (bristles short and mostly pale), notable gray pruinosity of the body, and a unique configuration of pregenital sclerites (the protandrium), which precludes placement of this species in any previously described genus of Carnidae. Enigmocarnus possesses a nearly symmetrical protandrium like Carnus and Meoneura, but the position of sternite 7 indicates that symmetry evolved independently and on a different path. The protandrial peculiarities exhibited by Enigmocarnus are discussed in the framework of Carnoidea relationships.

Matthias Buck and Stephen A. Marshall "Enigmocarnus chloropiformis gen. et sp. nov., and Parallel Evolution of Protandrial Symmetry in Carnidae (Diptera)," Annals of the Entomological Society of America 100(1), 9-18, (1 January 2007). https://doi.org/10.1603/0013-8746(2007)100[9:ECGESN]2.0.CO;2
Received: 16 February 2006; Accepted: 1 August 2006; Published: 1 January 2007
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