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The cockroach genus Sorineuchora Caudell, 1927 from China (Blattodea, Ectobiidae, Pseudophyllodromiinae).

ABSTRACT: In this paper, three new species (S. bimaculatasp. n., S. viridissp. n., and S. hispidasp. n.) and five known species, S. formosana (Matsumura, 1913), S. nigra (Shiraki, 1908), S. shanensis (Princis, 1950), S. bivitta (Bey-Bienko, 1969), and S. undulata (Bey-Bienko, 1958), are described and illustrated. Sorineuchora undulata was previously synonymized with S. nigra, and is now reinstated as a valid species. A key to the males of Sorineuchora from China is provided.

SUBMITTER: Li M

PROVIDER: S-EPMC5673855 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Three new species of cockroach genus Symploce Hebard, 1916 (Blattodea, Ectobiidae, Blattellinae) with redescriptions of two known species based on types from Mainland China.

Project description:Three new species of Symploce Hebard from China are described: Symploce sphaerica sp. n., Symploce paramarginata sp. n. and Symploce evidens sp. n. Two known species are redescribed and illustrated based on types. A key is given to identify all species of Symploce from mainland China.

| S-EPMC3800782 | biostudies-literature

Two new species of Episymploce Bey-Bienko, 1950 (Blattodea, Ectobiidae, Blattellinae) from China.

Project description:Two new species of Episymploce Bey-Bienko from China are described. Nine individuals of E. sichuanensis sp. nov. were collected from Sichuan Province and four individuals of E. maxima, sp. nov. were collected from Guangxi Province. Morphology, especially the wings, specialized abdominal tergum and genitalia of adults, are described and illustrated in detail. Episymploce sichuanensis sp. nov. is similar to E. kunmingi (Bey-Bienko, 1969), but can be easily distinguished by the reduced wings, bifurcated two processes at the hind margin of the supra-anal plate, and the unspecialized first abdominal tergum (T1). Episymploce maxima sp. nov. is similar to E. taiheizana Asahina, 1979 but is distinguished by its large size, the lateromedial margins of the subgenital plate without processes, and the unspecialized T1. A key to the recorded Episymploce species from China is provided in this paper.

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Species delimitation of Margattea cockroaches from China, with seven new species (Blattodea, Ectobiidae, Pseudophyllodromiinae).

Project description:Nearly 450 Margattea specimens were collected from 27 locations in China and their morphology was examined. Then 68 Margattea COI sequences were obtained and used to carry out phylogenetic analyses as well as species delimitation analyses using General Mixed Yule Coalescent (GMYC), Automatic Barcode Gap Discovery (ABGD), and Poisson Tree Processes (bPTP). GMYC analysis resulted in 21 molecular operational taxonomic units (MOTUs) (confidence interval: 20-22), which was completely consistent with the result of the bPTP. There were 15 MOTUs using the ABGD method. The number of MOTUs was slightly different from the assigned morphospecies (16). As to the incongruence between molecular and morphological results, we checked the specimens again and made sure that most morphological differences were determined to be intraspecific differences (except the difference between M. angusta and M. mckittrickae), although a large genetic distance existed. Finally, 16 Margattea species from China were defined in this study, of which, seven new species are established, i.e. Margattea deltodonta J-J He & Z-Q Wang, sp. nov., Margattea cuspidata J-J He & Z-Q Wang, sp. nov., Margattea caudata J-J He & Z-Q Wang, sp. nov., Margattea paratransversa J-J He & Z-Q Wang, sp. nov., Margattea disparilis J-J He & Z-Q Wang, sp. nov., Margattea transversa J-J He & Z-Q Wang, sp. nov., and Margattea bicruris J-J He & Z-Q Wang, sp. nov.

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The cockroaches of Balta Tepper from China, with the description of four new species (Blattodea, Ectobiidae, Pseudophyllodromiinae).

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Two new species and a new combination of Allacta (Blattodea, Ectobiidae, Pseudophyllodromiinae) from China, with notes on their behavior in nature.

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A new genus and a new species in the subfamily Polyzosteriinae (Blattodea, Blattidae) from China.

Project description:Laevifaciesquadrialata gen. et sp. nov. is described from Hainan Province, China based on morphological data. COI data (DNA barcodes) is utilized to confirm the sexual dimorphism occurring in Laevifaciesquadrialata gen. et sp. nov. Melanozosterianitida Brunner von Wattenwyl, 1865, is reported from Guangxi Province, China. A key to the Chinese Polyzosteriinae is provided.

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The Complete Mitogenome of the Wood-Feeding Cockroach Cryptocercus meridianus (Blattodea: Cryptocercidae) and Its Phylogenetic Relationship among Cockroach Families.

Project description:In this study, the complete mitochondrial genome of Cryptocercus meridianus was sequenced. The circular mitochondrial genome is 15,322 bp in size and contains 13 protein-coding genes, two ribosomal RNA genes (12S rRNA and 16S rRNA), 22 transfer RNA genes, and one D-loop region. We compare the mitogenome of C. meridianus with that of C. relictus and C. kyebangensis. The base composition of the whole genome was 45.20%, 9.74%, 16.06%, and 29.00% for A, G, C, and T, respectively; it shows a high AT content (74.2%), similar to the mitogenomes of C. relictus and C. kyebangensis. The protein-coding genes are initiated with typical mitochondrial start codons except for cox1 with TTG. The gene order of the C. meridianus mitogenome differs from the typical insect pattern for the translocation of tRNA-SerAGN, while the mitogenomes of the other two Cryptocercus species, C. relictus and C. kyebangensis, are consistent with the typical insect pattern. There are two very long non-coding intergenic regions lying on both sides of the rearranged gene tRNA-SerAGN. The phylogenetic relationships were constructed based on the nucleotide sequence of 13 protein-coding genes and two ribosomal RNA genes. The mitogenome of C. meridianus is the first representative of the order Blattodea that demonstrates rearrangement, and it will contribute to the further study of the phylogeny and evolution of the genus Cryptocercus and related taxa.

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