A new species of the genus <Emphasis Type="Italic">Stempellinella</Emphasis> (Diptera: Chironomidae) from Hiroshima,Japan |
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Authors: | Email author" target="_blank">Eiso?InoueEmail author Koichiro?Kawai Hiromichi?Imabayashi |
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Institution: | (1) Laboratory of Aquatic Ecology, Graduate School of Biosphere Science, Hiroshima University, 1-4-4 Kagamiyama, Higashihiroshima 739-8528, Japan |
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Abstract: | Stempellinella coronata sp. n. is described and illustrated based on male imagines. The new species can be separated from other Stempellinella species by its small size, low antennal ratio, high front leg ratio, minute frontal tubercles, a comparatively long median volsella, lacking median tergal setae, and lacking well-developed anal crests on the tergite IX. The generic diagnosis of Stempellinella is emended mainly to accommodate S. coronata. The species has so far been collected only from autumn to winter at pools in the unpolluted upper to mid reaches and was recorded first from the Ohta River system, Hiroshima, Japan. |
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Keywords: | Chironomidae Stempellinella Generic diagnosis New species Taxonomy |
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