Abstract
Two new species, Paramesosciophilodes bellus sp. n. and Paramesosciophilodes rarissima sp. n., from the Jiulongshan Formation at Daohugou Village, Inner Mongolia, China, are described in the extinct family Mesosciophilidae. Altogether seven genera with 21 species of mesosciophilids have been described from the Jurassic of Siberia and Kazakhstan, the Lower Cretaceous of Transbaikalia, and the Middle Jurassic of Inner Mongolia. An emended generic diagnosis of Paramesosciophilodes and a list of known taxa of mesosciophilids are provided.
Highlights
Mesosciophilidae is one of the extinct dipteran families of the suborder Nematocera. Rohdendorf (1946) described a species, Mesosciophila venosa, which was assigned to a new subfamily, Mesosciophilinae, within the family Allactoneuridae, along with Fungivoritinae
The other three species Liaoxifungivora simplicis Hong, 1992, Atalosciophila yanensis Ren, Lu, Guo & Ji, 1995 and Huaxiasciophilites jingxiensis Zhang, Hong & Li, 2001 from the Lower Cretaceous of China might belong to the family Mycetophilidae, Two new species of Paramesosciophilodes (Diptera, Nematocera, Mesosciophilidae)... 119
Based on a combination of unique wing venational characters of two recently collected specimens, we describe Paramesosciophilodes bellus sp. n. and Paramesosciophilodes rarissima sp. n. These specimens with bodies and complete wings were collected from the late Middle Jurassic Jiulongshan Formation of Daohugou Village in the Ningcheng County, Chifeng City, southeastern Inner Mongolia, China
Summary
Mesosciophilidae is one of the extinct dipteran families of the suborder Nematocera. Rohdendorf (1946) described a species, Mesosciophila venosa, which was assigned to a new subfamily, Mesosciophilinae, within the family Allactoneuridae, along with Fungivoritinae. Li and Ren (2009) described two species of Jurasciophila from the late Middle Jurassic Jiulongshan Formation of Daohugou in southeastern Inner Mongolia, China. The other three species Liaoxifungivora simplicis Hong, 1992, Atalosciophila yanensis Ren, Lu, Guo & Ji, 1995 and Huaxiasciophilites jingxiensis Zhang, Hong & Li, 2001 from the Lower Cretaceous of China might belong to the family Mycetophilidae, Two new species of Paramesosciophilodes (Diptera, Nematocera, Mesosciophilidae)... These specimens with bodies and complete wings were collected from the late Middle Jurassic Jiulongshan Formation of Daohugou Village in the Ningcheng County, Chifeng City, southeastern Inner Mongolia, China. Many well-preserved fossil insects have been described from this locality recently (Ren et al 2010, 2012), such as dipterans, neuropterans, orthopterans, heteropterans, etc. (Zhang et al 2008, 2011; Wang et al 2010; Gu et al 2012; Yao et al 2012)
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