Two new species of the leafhopper genus Nielson are described and illustrated: from Guizhou and Yunnan Provinces and from Yunnan Province, China. A checklist along with distribution and a key to species based on male genitalia of the genus from China are provided. (Li), . (earlier in the genus ) is proposed. At present, this genus comprises 45 known species worldwide, of which 19 species are recorded from China.
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http://dx.doi.org/10.3897/zookeys.1023.59811 | DOI Listing |
Following the commodity risk assessment of plants grafted on from China, in which (Hemiptera: Diaspididae) was identified as a pest of possible concern, the European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of for the territory of the European Union (EU). The origin of the scale insect is uncertain, with either South America or eastern Asia suggested as the native range. The geographic distribution of the species includes many countries of the continents of Africa, North and South America, Asia and Oceania.
View Article and Find Full Text PDFNeotrop Entomol
January 2025
College of Resources and Environment, Henan Engineering Research Center of Biological Pesticide & Fertilizer Development and Synergistic Application, Henan Institute of Science and Technology, Xinxiang, China.
Sitobion miscanthi is a wheat aphid species that can damage seriously agricultural production. The effective management of wheat aphids has depended on chemical insecticides. However, their wide application led to severe resistance of wheat aphids to some insecticides, and cytochrome P450 as a detoxifying enzyme plays a crucial role in the insecticide resistance.
View Article and Find Full Text PDFSci Rep
January 2025
Forestry and Wood Technology Department, Faculty of Agriculture, Alexandria University, Alexandria, 21545, Egypt.
The insecticidal, synergistic, and acetylcholinesterase (AChE) inhibitory effects of plant n-hexane extracts (HEs) were evaluated. The HEs from thyme (Thymus vulgaris L.) leaves, garlic (Allium sativum L.
View Article and Find Full Text PDFThe subfamily Mileewinae in China comprises one tribe (Mileewini), four genera (, , , ), and 71 species, yet only 11 mitochondrial genomes have been published. This study aimed to elucidate ambiguous diagnostic traits in traditional taxonomy and examined phylogenetic relationships among genera by sequencing mitochondrial genomes from 16 species. The lengths of the mitochondrial genomes ranged from 14,532 to 15,280 bp, exhibiting an AT content of 77.
View Article and Find Full Text PDFInt J Mol Sci
January 2025
College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China.
B-box (BBX) transcription factors play crucial roles in plant growth, development, and defense responses to biotic and abiotic stresses. In this study, we cloned a BBX transcription factor gene, from cucumber and analyzed its role in the plant's defense against the feeding of . is expressed throughout all developmental stages in cucumber, with the highest expression in the leaves.
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