Abstract
We describe herein a new aphid genus and species Daoaphis magnalata gen. et sp. n., belonging to the extinct family Oviparosiphidae from the Middle Jurassic (ca. 165 Ma) Daohugou beds, Ningcheng County, Inner Mongolia, Northeast China. The new genus is considered to be the earliest certain representative of this family and the body remains of one of the oldest aphids. The evolutionary position of this new genus and distribution of the family are discussed.
Highlights
The oldest aphids are known from the Triassic
Most Triassic aphids are known from isolated wings, except the Dracaphididae of the superfamily Naibioidea described from the Middle Triassic of China (Hong et al, 2009)
The present paper describes a new genus and a new species belonging to the family Oviparosiphidae from the Daohugou beds
Summary
The oldest aphids are known from the Triassic. The first, Triassoaphis cubitus Evans, 1956, was recorded in the Carnian of Australia and assigned to the family Triassoaphididae. More Oviparosiphidae are known from the Early Cretaceous but they are absent from the Upper Cretaceous sediments (Heie & Wegierek, 2011) This family is very diverse morphologically, but all taxa have both an ovipositor and siphons on the abdomen (Shaposhnikov, 1979). The present paper describes a new genus and a new species belonging to the family Oviparosiphidae from the Daohugou beds This is the oldest representative of the family, which allows for the analysis of both the wing and body with its appendages. The single specimen was collected from the Xiayingzi locality of Daohugou beds at the Daohugou Village, Ningcheng County, Inner Mongolia This fossil layer yielded very rich invertebrate fossils such as giant fleas, peculiar Diptera namely Strashila, and the earliest Mantophasmatodea (Huang et al, 2008, 2012, 2013)
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