Abstract
Background Acisarcuatus variradius gen. et sp. nov., an extinct new species representing a new genus, is described from the Middle Jurassic Jiulongshan Formation in Daohugou Village, Inner Mongolia, China.Methodology/Principal FindingsIn this paper, we revised the diagnosis of Necrotauliidae Handlirsch, 1906. One new genus and species of Necrotauliidae is described. An analysis based on the fossil morphological characters clarified the taxonomic status of the new taxa.Conclusions/SignificanceNew fossil evidence supports the viewpoint that the family Necrotauliidae belongs to the Integripalpia.
Highlights
The Amphiesmenoptera, comprising two distinctive insect orders: the Trichoptera and the Lepidoptera [1]
Trichoptera, or caddisflies, are holometabolous insects. Their bodies and wings are covered by bushy hairs, and the adults resemble moths in appearance. They are among the largest group of aquatic insects [1, 2] and one of the most diverse groups of insects overall with more than 14,000 extant species and more than 680 fossil species [3]
We describe a new and unique male adult fossil specimen collected from the Daohugou beds
Summary
The Amphiesmenoptera, comprising two distinctive insect orders: the Trichoptera and the Lepidoptera [1]. Their bodies and wings are covered by bushy hairs, and the adults resemble moths in appearance. They are among the largest group of aquatic insects [1, 2] and one of the most diverse groups of insects overall with more than 14,000 extant species and more than 680 fossil species [3]. Species of the Permian suborder Protomeropina Sukatcheva (1980) [6] are sometimes placed in Trichoptera [7, 8] and sometimes are considered representatives of the Amphiesmenoptera stem group or more distant lineages [9, 10]. One new genus and species of Necrotauliidae is described. Conclusions/Significance: New fossil evidence supports the viewpoint that the family Necrotauliidae belongs to the Integripalpia
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