The first Elcanidae (Orthoptera, Elcanoidea) from the Daohugou fossil bed of northeastern China.

A new species of Elcanidae (Orthoptera, Elcanoidea), , is described based on four new specimens from the Middle Jurassic Jiulongshan Formation of northeastern China. The new species differs from all other known Archelcaninae species by its combination of wing-venation characters. This new finding improves our knowledge of variation on wing venation in elcanid insects and constitutes the first record of Elcanidae from the Daohugou fossil bed (Yanliao Biota) of northeastern China.

The complete mitochondrial genome of Humphaplotropis culaishanensis sp. nov. (Orthoptera: Acridoidea: Pamphagidae: Pamphaginae).

The complete mitochondrial genome of Humphaplotropis culaishanensis sp. nov., which was collected from the Shandong Province of China, is reported here.

The complete mitochondrial genome of Asiotmethis jubatus (Uvarov, 1926) (Orthoptera: Acridoidea: Pamphagidae).

The complete mitochondrial genome of Asiotmethis jubatus (Uvarov, 1926), which was collected from the Xinjiang Uygur Autonomous Region of China, is reported here. It is 15,669 bp in length and contains 72.3% AT.

The complete mitochondrial genome of Filchnerella beicki Ramme, 1931 (Orthoptera: Acridoidea: Pamphagidae).

Abstract The complete mitochondrial genome of Filchnerella beicki Ramme, 1931, which was collected from the Ningxia Hui Autonomous Region of China, is reported here. It is 15,658 bp in length and contains 72.3% AT.

[Molecular phylogeny of some species of the acridoidea based on 16S rDNA].

Based on the 16S rDNA of 8 species (belonging to 8 families of Acridoidea) from China and keyed to 8 relative species of Orthoptera from GenBank, the homologus sequences were compared. The used frequency of nucleotide was calculated and the molecular phylogenetic tree constructed by MEGA microsoft. In the 480 bp fragment of mitochondial 16S rDNA, A + T was about 70.