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Molecular and morphological evidence for the identity of two nominal species of Astegopteryx (Hemiptera, Aphididae, Hormaphidinae).

ABSTRACT: The morphology of many insect species is usually influenced by environmental factors and therefore high phenotypic variation exists even within a species. This causes difficulty and uncertainty in species taxonomy, which can be remedied by using molecular data and integrative taxonomy. Astegopteryxbambusae and A.bambucifoliae are currently regarded as two closely related aphid species with similar bamboo hosts and overlapping distributions in the oriental region. However, in practice it is hard to distinguish between them. By incorporating molecular data from four mitochondrial and nuclear genes as well as morphological information from an extensive collection of live specimens, the present study indicates that A.bambucifoliae is a junior synonym of A.bambusae. The data also indicate that large-scale geographic patterns of population differentiation may exist within this species.

SUBMITTER: Li Q

PROVIDER: S-EPMC6443623 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Diversity of bacteria associated with Hormaphidinae aphids (Hemiptera: Aphididae).

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A review of Aleurodaphis (Hemiptera, Aphididae, Hormaphidinae) with the description of one new species and keys to species.

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The mitochondrial genome of a social aphid, Pseudoregma bambucicola (Hemiptera: Aphididae: Hormaphidinae).

Project description:In this study, the complete mitochondrial genome of the social aphid Pseudoregma bambucicola was assembled and annotated. The genome spans 16,631 bp in length with a high A + T content (85.1%), containing 13 protein-coding genes, 22 tRNA genes, two rRNA genes, one control region locating between srRNA and tRNAIle , and a repeat region located between tRNAGlu and tRNAPhe . All the tRNAs except tRNACys and tRNASer(gct) exhibit the typical clover-leaf like structures. The lengths of lrRNA and srRNA are 1301 bp and 758 bp, respectively. The order of genes between COIII and tRNAGlu exhibits significant difference for P. bambucicola. A phylogenetic analysis for P. bambucicola and 22 other aphids based on 13 protein-coding genes is also presented.

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Comparison of two clones of Myzus Persicae (Sulzer) (Hemiptera: Aphididae)

2010-10-07 | GSE20542 | GEO

Asiphonipponaphis, a new genus of Hormaphidinae (Hemiptera, Aphididae) causing galls on Distylium chinense from China, with description of a new species.

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The complete mitochondrial genome of Schizoneuraphis gallarum van der Goot, 1917 (Hemiptera: Aphididae: Hormaphidinae).

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Comparison of two clones of Myzus Persicae (Sulzer) (Hemiptera: Aphididae)

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2010-10-07 | E-GEOD-20542 | biostudies-arrayexpress

Insights Into the Species-Specific Microbiota of Greenideinae (Hemiptera: Aphididae) With Evidence of Phylosymbiosis.

Project description:Aphids and their symbionts represent an outstanding model for studies of insect-symbiont interactions. The aphid microbiota can be shaped by aphid species, geography and host plants. However, the relative importance of phylogenetic and ecological factors in shaping microbial community structures is not well understood. Using Illumina sequencing of the V3-V4 hypervariable region of the 16S rRNA gene, we characterized the microbial compositions of 215 aphid colonies representing 53 species of the aphid subfamily Greenideinae from different regions and plants in China, Nepal, and Vietnam. The primary endosymbiont Buchnera aphidicola and secondary symbiont Serratia symbiotica dominated the microbiota of Greenideinae. We simultaneously explored the relative contribution of host identity (i.e., aphid genus and aphid species), geography and host plant to the structures of bacterial, symbiont and secondary symbiont communities. Ordination analyses and statistical tests highlighted the strongest impact of aphid species on the microbial flora in Greenideinae. Furthermore, we found a phylosymbiosis pattern in natural Greenideinae populations, in which the aphid phylogeny was positively correlated with microbial community dissimilarities. These findings will advance our knowledge of host-associated microbiota assembly across both host phylogenetic and ecological contexts.

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Identity of two sympatric species of Orius (Hemiptera: Heteroptera: Anthocoridae).

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