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3 February 2014 A New Species of the Genus Baetis from China (Ephemeroptera: Baetidae)
Xiaoli Tong, David Dudgeon, Weifang Shi
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Abstract

The larval and imaginal stages of Baetis maculosus sp. nov., a new species of Baetidae from China, are described and illustrated. The spotted color pattern of the new species resembles Baetis taiwanensis (Müller-Liebenau), but can be readily distinguished from it and other members of the genus Baetis by the following diagnostic characters: inner margin of right mandibular incisors of the larvae lacks a row of fine, short setae; tibiae dorsally with minute and sharp main setae; and 6 pairs of gills on abdominal segments 2–7. The hind wing of the imago has a crossvein between the costa and the longitudinal veins proximal to its bifurcation; segments II of the genital forceps have concave interior surfaces near their base, and the apical portion is densely wrinkled.

Xiaoli Tong, David Dudgeon, and Weifang Shi "A New Species of the Genus Baetis from China (Ephemeroptera: Baetidae)," Entomological News 123(5), 333-338, (3 February 2014). https://doi.org/10.3157/021.123.0503
Received: 7 February 2013; Accepted: 1 December 2013; Published: 3 February 2014
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KEYWORDS
Baetidae
Baetis
imago description
larval stage
mayflies
new species
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