Generic redefinition and a new species of Nesolinoceras Ashmead (Hymenoptera, Ichneumonidae, Cryptinae). (American Museum novitates, no. 3858)
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Date
2016-05-11
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American Museum of Natural History.
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Abstract
The generic limits of Nesolinoceras Ashmead are redefined. The genus is characterized by the supraclypeal and supraantennal areas covered by distinct, uniformly spaced striae; antenna without white band; foretibia distinctly swollen, fusiform; forewing with extensive fuscous bands; areolet large, pentagonal, longer than wide, distinctly convergent; spiracle of first metasomal tergite placed at midlength; and ventral valve of ovipositor apically dilated and overlapping dorsal valve as a lobe. The type species, N. ornatipennis (Cresson) is redescribed, illustrated, and newly recorded from the Bahamas and the Cayman Islands. A new species, N. laluzbrillante, sp. nov., is described from the Dominican Republic. It is diagnosed mainly by having mesopleuron, propodeum, and metasoma extensively marked with blackish and whitish stripes and spots; clypeus in front view with base almost as wide as apex; central ocellus about as large as lateral ones; epicnemial carina short, reaching only 0.4 of length to subalar ridge; and areolet crossveins 2r-m and 3r-m distinctly convergent, but far from meeting on anterior apex of areolet. Previously thought to be restricted to Cuba, Nesolinoceras seems to be relatively widespread in the Caribbean Islands.
Description
16 pages : color illustrations, map ; 26 cm.
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Keywords
Nesolinoceras., Nesolinoceras ornatipennis., Nesolinoceras laluzbrillante., Ichneumonidae., Bahamas., Cayman Islands., Dominican Republic., West Indies.