An integrative strategy used by the aphid Uroleucon formosanum to counter host sesquiterpene lactone defense: Insights from combined genomic and transcriptomic analysis.

Insect herbivores adapt and develop strategies to counteract plant chemical defenses. The aphid Uroleucon formosanum is a serious sap-sucking pest that infests lettuces containing toxic sesquiterpene lactones (STLs). Herein, we employed a combination of genome sequencing and RNA-seq transcriptome profiling to understand the mechanisms underlying phytotoxin tolerance in U.

Mitochondrial genome data provide insights into the phylogenetic relationships within (Kessler, 1876) (Cypriniformes, Nemacheilidae).

Due to the detrimental effect of formaldehyde on DNA, ethanol has replaced formalin as the primary preservative for animal specimens. However, short-term formalin fixation of specimens might be applied during field collection. In an increasing number of studies, DNA extraction and sequencing have been successfully conducted from formalin-fixed specimens.

Two new species of Hille Ris Lambers (Hemiptera, Aphididae, Lachninae) from China.

Two new species from China, Qiao & Li, feeding on sp. from Shaanxi and Sichuan Provinces, and Qiao & Li, feeding on sp. from Yunnan Province, are described and illustrated.

Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records.

The genus is distinguished from other Macrosiphini genera (Aphididae, Aphidinae) because it has a supra-caudal process on abdominal tergite VIII which possesses two setae distally. It is Holarctic in distribution, and half of its species are Asian. The Chinese fauna of this genus, 17 species, have been restudied, morphologically and through DNA barcodes.

Revision of the genus Allocotaphis Börner, 1950 (Hemiptera, Homoptera, Aphididae, Macrosiphini).

Allocotaphis Börner, 1950 (Hemiptera, Homoptera, Aphididae, Aphidinae, Macrosiphini) and its three species are fully revised. The history of the descriptions of the involved taxa is critically presented. Descriptions of the known morphs of these species and complete information on the biology and distribution of the species are presented.

Six new species of Verma, 1967 (Hemiptera, Aphididae, Aphidinae) from China.

The genus Verma is presented including six new species from China namely Qiao & Xu, Qiao & Xu, Qiao & Xu, Qiao & Xu, Qiao & Xu, and Qiao & Xu, Qiao 2015, is considered as a junior synonym of (Zhang Zhong & Zhang 1992), Two species Verma and (David Rajasingh & Narayanan) are recorded for the first time in China. The genus is mainly distributed in East Asia and is represented by 15 species in the world of which 12 are found in China. Keys to the species of are given.

 , a new species from China (Hemiptera, Sternorrhyncha, Aphididae, Thelaxinae).

Qiao , found on (Urticaceae) in China, is described and illustrated. Chakrabarti & Quednau is also a new generic record for China.

Studies on the genus Reyes from China (Thysanoptera, Phlaeothripinae), with one new species.

Species from China of the Asian genus are reviewed, with collected from the leaves of in Sichuan Province. A key to the five species known from China is provided and the COI sequence of the new species is also given.

Review of Matsumura from China (Hemiptera, Aphididae), with one new species.

The aphid genus Matsumura in China is reviewed. A total of seven species are recognised using morphological characteristics, including six known species, Mesocallis (Mesocallis) alnicola Ghosh, M. (Paratinocallis) corylicola (Higuchi), M.

Studies on the genus Mesandrothrips from China, with a new species (Thysanoptera: Phlaeothripinae: Haplothripini).

In the recently re-instated genus Mesandrothrips Priesner, four species are recognized from China, and an illustrated key is provided here. This includes one new species, M. acutisetis sp.

Host Plants Influence the Symbiont Diversity of Eriosomatinae (Hemiptera: Aphididae).

Eriosomatinae is a particular aphid group with typically heteroecious holocyclic life cycle, exhibiting strong primary host plant specialization and inducing galls on primary host plants. Aphids are frequently associated with bacterial symbionts, which can play fundamental roles in the ecology and evolution of their host aphids. However, the bacterial communities in Eriosomatinae are poorly known.

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

Bacteria are ubiquitous inhabitants of animals. Hormaphidinae is a particular aphid group exhibiting very diverse life history traits. However, the microbiota in this group is poorly known.

The evolution of climate tolerance in conifer-feeding aphids in relation to their host's climatic niche.

Climate adaptation has major consequences in the evolution and ecology of all living organisms. Though phytophagous insects are an important component of Earth's biodiversity, there are few studies investigating the evolution of their climatic preferences. This lack of research is probably because their evolutionary ecology is thought to be primarily driven by their interactions with their host plants.

Review of from China (Thysanoptera, Phlaeothripidae), with one new species and three new records.

species occur on the leaves of various Poaceae, including bamboo and grasses. An illustrated identification key is given here to the six species recorded from China. These include Dang & Qiao, , and Kurosawa, (Kurosawa), and Hood that are newly recorded from China.

Wolbachia Infection in Two Species: Novel Views on the Colonization Ability of Wolbachia in Aphids.

Wolbachia pipientis (Rickettsiales: Anaplasmataceae) is an intracellular symbiont residing in arthropods and filarial nematodes. Sixteen supergroups have been described from different host taxa. Four supergroups A, B, M, and N were found in aphids according to prior studies.

The genes expression difference between winged and wingless bird cherry-oat aphid Rhopalosiphum padi based on transcriptomic data.

Aphids produce wing and wingless morphs, depending on the environmental conditions during their complex life cycles. Wing and wingless variations play an important role in migration and host alternation, affecting the migration and host alternation processes. Several transcriptional studies have concentrated on aphids and sought to determine how an organism perceives environmental cues and responds in a plastic manner, but the underlying mechanisms have remained unclear.

The mitochondrial genome of Greenidea psidii van der Goot (Hemiptera: Aphididae: Greenideinae) and comparisons with other Aphididae aphids.

The complete mitochondrial genome of Greenidea psidii was sequenced and compared with the genomes of other aphid species. The G. psidii mitogenome is 16,202 bp long with an A + T content of 85.

Insect-bacteria parallel evolution in multiple-co-obligate-aphid association: a case in Lachninae (Hemiptera: Aphididae).

Parallel phylogenies between aphid and its obligate symbiont Buchnera are hot topics which always focused on aphid lower taxonomic levels. Symbionts in the subfamily Lachninae are special. Buchnera in many lachnine species has undergone functional and genome size reduction that was replaced by other co-obligate symbionts.

EF-1α DNA Sequences Indicate Multiple Origins of Introduced Populations of Essigella californica (Hemiptera: Aphididae).

Aphids in the pine-feeding Nearctic genus Essigella (Sternorrhyncha, Aphididae, Lachninae) have been introduced in Europe, North Africa, Oceania, and South America. Mitochondrial, nuclear, and endosymbiont DNA sequences of 12 introduced populations from three continents confirm they all belong to Essigella californica (Essig, 1909). Intron sequence variation of the nuclear gene EF-1α has revealed the existence of four distinct groups.

DNA barcoding and species delimitation of Chaitophorinae (Hemiptera, Aphididae).

Chaitophorinae aphids are widespread across Eurasia and North America, and include some important agricultural and horticultural pests. So, accurate rapid species identification is very important. Here, we used three mitochondrial genes and one endosymbiont gene to calculate and analyze the genetic distances within different datasets.

Species of the Poaceae-associated genus (Thysanoptera, Phlaeothripidae) from China, with three new species.

In the Poaceae-associated genus Bamboosiella Ananthakrishnan, eleven species are here recognized from China, including antennatus sp.n. and longisetis sp.

Review of Takahashi, 1958 with description of a new species from China (Hemiptera, Aphididae, Hormaphidinae).

The aphid genus Takahashi, 1958 is reviewed. , found on sp. and on an unidentified species of Fagaceae in China is described and illustrated.

Yamatochaitophorus yichunensis, a new species of aphid (Aphididae: Chaitophorinae) from northeast China.

Yamatochaitophorus yichunensis sp. n. is described from specimens collected in northeast China on Acer tegmentosum (Aceraceae).