The genus and species,Bolothrips bicolor(Heeger,1852),are recorded from China for the first time,with both sexes found in Shaanxi Province.A generic diagnosis,morphological description,illustrations and photographs ar...The genus and species,Bolothrips bicolor(Heeger,1852),are recorded from China for the first time,with both sexes found in Shaanxi Province.A generic diagnosis,morphological description,illustrations and photographs are provided.COI sequence of the newly recorded species is also given.展开更多
Each species within the order Thysanoptera has a distinct mitochondrial gene order displaying a high level of gene rearrangement,particularly massive in Phlaeothripidae.To understand the evolutionary patterns of rearr...Each species within the order Thysanoptera has a distinct mitochondrial gene order displaying a high level of gene rearrangement,particularly massive in Phlaeothripidae.To understand the evolutionary patterns of rearrangement in this family,we sequenced the complete mitochondrial genome of Psephenothrips eriobotryae,a notable potential pest of loquat trees.Its mitogenome is a circular DNA molecule(15,413 bp in size)composed of 37 genes:13 PCGs,22 tRNAs,two rRNAs,and two putative control regions(CRs).By comparing with the ancestral mitogenome of arthropods,P.eriobotryae exhibits notable gene rearrangement variations.However,it shares four conserved gene blocks with three closely related species in Phlaeothripinae.In the phylogenetic tree,P.eriobotryae was clustered with these three leaffeeding Phlaeothripinae species.The presence of more similar conserved gene blocks probably indicates a strong correlation between gene rearrangements and the phylogeny within Phlaeothripidae.Furthermore,the mitogenome of P.eriobotryae shows some characteristics:(a)two putative CRs in which CR2 is the copy of partial CR1 with 99.62%sequence similarity,and CR1 consists of two 237 bp repeat unites;(b)high A+T content of 82.6%in overall base composition;(c)trn S1 lacking a complete dihydrouridine(DHU)arm;(d)the protein coding gene,atp8 started with TTG instead of the more common ATN,while nad3 terminated by TAG rather than TAA;(e)translocations and inversions observed in fifteen of the 37 genes.展开更多
The genus Ophthalmothrips from China is reviewed here,with the description of a new species,O.elongatus Li&Dang,sp.nov.,which was collected from the roots of weeds in Hunan Province.An illustrated key is given her...The genus Ophthalmothrips from China is reviewed here,with the description of a new species,O.elongatus Li&Dang,sp.nov.,which was collected from the roots of weeds in Hunan Province.An illustrated key is given here to all five species known from China.展开更多
基金supported by National Natural Sciences Foundation of China(31702042)a Young Talent Fund of University Association for Science and Technology in Shaanxi,China(20180209)the Foundation of Shaanxi University of Technology(SLGKY2001)。
文摘The genus and species,Bolothrips bicolor(Heeger,1852),are recorded from China for the first time,with both sexes found in Shaanxi Province.A generic diagnosis,morphological description,illustrations and photographs are provided.COI sequence of the newly recorded species is also given.
基金supported by the Natural Science Basic Research Program of Shaanxi Province(2023-JC-QN-0178)the National Natural Sciences Foundation of China(31702042,32260122)+2 种基金the Youth Innovation Team of Shaanxi University(2023-77)the Science and Technology Planning Project of Inner Mongolia Autonomous Region(2021GG0112)the Higher School Science and Technology Research Major Projects of the Inner Mongolia Autonomous Region(NJZZ22604)。
文摘Each species within the order Thysanoptera has a distinct mitochondrial gene order displaying a high level of gene rearrangement,particularly massive in Phlaeothripidae.To understand the evolutionary patterns of rearrangement in this family,we sequenced the complete mitochondrial genome of Psephenothrips eriobotryae,a notable potential pest of loquat trees.Its mitogenome is a circular DNA molecule(15,413 bp in size)composed of 37 genes:13 PCGs,22 tRNAs,two rRNAs,and two putative control regions(CRs).By comparing with the ancestral mitogenome of arthropods,P.eriobotryae exhibits notable gene rearrangement variations.However,it shares four conserved gene blocks with three closely related species in Phlaeothripinae.In the phylogenetic tree,P.eriobotryae was clustered with these three leaffeeding Phlaeothripinae species.The presence of more similar conserved gene blocks probably indicates a strong correlation between gene rearrangements and the phylogeny within Phlaeothripidae.Furthermore,the mitogenome of P.eriobotryae shows some characteristics:(a)two putative CRs in which CR2 is the copy of partial CR1 with 99.62%sequence similarity,and CR1 consists of two 237 bp repeat unites;(b)high A+T content of 82.6%in overall base composition;(c)trn S1 lacking a complete dihydrouridine(DHU)arm;(d)the protein coding gene,atp8 started with TTG instead of the more common ATN,while nad3 terminated by TAG rather than TAA;(e)translocations and inversions observed in fifteen of the 37 genes.
基金supported by the National Natural Sciences Foundation of China(31702042)Key project of Natural Science Basic Research program of Shaanxi Province(2019JZ-34)+1 种基金the Undergraduate Innovation and Entrepreneurship Training program[202210720037]a Young Talent Fund of University Association for Science and Technology in Shaanxi,China(20180209).
文摘The genus Ophthalmothrips from China is reviewed here,with the description of a new species,O.elongatus Li&Dang,sp.nov.,which was collected from the roots of weeds in Hunan Province.An illustrated key is given here to all five species known from China.
