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Trichosmittia hikosana n. gen. et n. sp. (Diptera: Chironomidae, Orthocladiinae) from Japan

Masaru Yamamoto
Journal of the Kansas Entomological Society
Vol. 71, No. 3, Special Publication Number 3: A Festschrift Honoring Mary and Jim Sublette. Part 1: Taxonomy and Systematics of Chironomidae (Jul., 1998), pp. 263-271
Stable URL: http://www.jstor.org/stable/25085847
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Trichosmittia hikosana n. gen. et n. sp. (Diptera: Chironomidae, Orthocladiinae) from Japan
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Abstract

The genus Trichosmittia is erected for a new species from Japan. The genus is very distinct from all other orthoclads in having the following characters: bare eyes, many sensilla chaetica, 1-2 subapical setae of ultimate flagellomere of male, four-segmented flagellum in female, antepronotum strongly narrowed medially, many acrostichals starting at anterior-most portion of scutum but here grouped, bare squama, short and stout female legs, tergiate IX clothed with rather strong and straight setae on posterior half and without anal point, well-developed inferior volsella of gonocoxite with a terminal seta, phallapodeme bearing microtrichia posteromedially, and long, lunate gonostylus. Trichosmittia is probably most related to the genus Rheosmittia Brundin.

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