Results 31 to 40 of about 51,080 (292)

Controle de Helicoverpa armigera (Lepidoptera: Noctuidae) em soja com inseticidas químicos e biológicos [PDF]

Pesquisa Agropecuária Brasileira, 2016
Resumo: O objetivo deste trabalho foi avaliar o desempenho de inseticidas autorizados emergencialmente para o controle de Helicoverpa armigera (Lepidoptera: Noctuidae) em soja.
Cassiano Carlos Kuss, Rejane Cristina Roppa Kuss Roggia, Claudir José Basso, Maria Cristina Neves de Oliveira, Osmar Henrique de Castro Pias, Samuel Roggia   +5 more
doaj   +1 more source

A Cold Stress‐Activated Endocrine Sentinel Chemical Hormone Promotes Insect Survival via Mitochondrial Adaptations Through the Adipokinetic Hormone Receptor

Advanced Science, EarlyView.
Seasonal cold adaptation is vital for insect survival, yet the molecular mechanisms linking diapause to mitochondrial resilience remain largely unresolved. We identify ascaroside C9 (asc‐C9) as a key endocrine signal that enhances diapause survival during cold stress by activating the AKHR–PGC1α–UCP4 axis, thereby driving cold‐induced lipolysis and ...
Jiao Zhou, Junxian Chen, Hongxia Zhang, Lu Guo, Kevin Mai, Elijah Abraham, Dilip V. Prajapati, Yue Chang, Jing Ning, Xinchen Wang, Defeng Li, Dan‐Dan Zhang, Jianghua Sun, Rebecca A. Butcher, Lilin Zhao   +14 more
wiley   +1 more source

Life cycle, morphometrics and damage assessment of the Khapra beetle, Trogoderma granarium Everts (Coleoptera: Dermestidae) on stored groundnut [PDF]

Journal of Agricultural Sciences (Belgrade), 2009
The life cycle of the Khapra beetle, Trogoderma granarium Everts (Coleoptera: Dermestidae) on stored groundnut was studied under fluctuating laboratory conditions of 25±5°C and 70±5% relative humidity.
Musa A.K., Dike M.C.
doaj   +1 more source

A Set of Novel Venom Proteins Enables Parasitoid Wasps to Exploit Older Hosts and Coexist with Competitors

Advanced Science, EarlyView.
This study elucidates a molecular mechanism enabling species coexistence between parasitoid wasps, showing how Asobara japonica uses a set of novel venom proteins to delay host development and exploit older hosts, thereby achieving temporal niche partitioning with Leptopilina drosophilae. Abstract Interspecific competition can drive species coexistence
Junwei Zhang, Zhi Dong, Yifeng Sheng, Jieyu Shan, Ting Feng, Wenqi Shi, Zixuan Xu, Zeying Wang, Qichao Zhang, Ying Wang, Jianhua Huang, Jiani Chen   +11 more
wiley   +1 more source

RNAi Regulator C3PO Promotes Arbovirus Infection in Insect Vectors

Advanced Science, EarlyView.
RNA interference (RNAi) is vital for eukaryotes to defend against virus infection. The C3PO complex takes part in RNAi but its role in regulating viral infection remains unclear. This work finds that insect C3PO facilitates arbovirus replication by degrading precursors of miRNAs, especially miR‐971‐3p.
Yan Xiao, Tianyu Guan, Qianfeng Xia, Chen Chen, Qian Wang, Lan Luo, Hong Lu, Feng Cui   +7 more
wiley   +1 more source

Toward Sustainable Pesticide Application: Bridging Efficacy and Food Safety

Advanced Science, EarlyView.
A fully bio‐based lignin coacervate system is developed for pesticide delivery, enhancing leaf retention, UV resistance, adhesion, and wetting. The formulation enables pH/laccase‐triggered release for prolonged action, reduces ecological toxicity, and is fully washable, reconciling agricultural efficacy with food and environmental safety.
Xuan Li, Janar Tursen, Wanbin Zhu, Xufeng Yuan, Hongliang Wang   +4 more
wiley   +1 more source

TEMPERATURE CHARACTERISTICS FOR DURATION OF AN INSTAR IN CLADOCERANS [PDF]

Journal of General Physiology, 1926
1. The temperature characteristics for the rate of development during a well defined instar were determined for three species of Cladocera, and found to be of the same general magnitudes as those obtained for rates of development and of O2 consumption in other arthropods. 2.
openaire   +2 more sources

Gut Microbe‐Driven Resistance Mechanisms in Propylea Japonica: Insights from Horizontal Gene Transfer and Oxidative Phosphorylation

Advanced Science, EarlyView.
Acinetobacter regulates dinotefuran tolerance in Propylea japonica by mediating the expression of the horizontally transferred gene PjDUF1. Abstract Insect–microbial symbiont relationships are widespread in nature and often involve lateral gene transfer.
Ningbo HuangFu, Xiangzhen Zhu, Zhijuan Tang, Li Wang, Kaixin Zhang, Dongyang Li, Jichao Ji, Jinjie Cui, Zhaojiang Guo, Junyu Luo, Xueke Gao   +10 more
wiley   +1 more source

Larval predation on different instars in blowfly populations

Brazilian Archives of Biology and Technology, 2004
During its larval stage, Chrysomya albiceps (Diptera: Calliphoridae) is a facultative predator on other blowflies. In this study, we evaluated the predation by third instar larvae of C.
Lucas Del Bianco Faria, Wesley Augusto Conde Godoy, Sérgio Furtado dos Reis   +2 more
doaj   +1 more source

Pollinator, herbivore, and climatic selective pressures differ across a floral color transition zone

American Journal of Botany, EarlyView.
Abstract Premise Spatial and temporal variations in climate and ecological interactions may underlie the origin and maintenance of floral color polymorphisms across a species range. Betalains are nitrogen‐containing, phylogenetically restricted pigments that, like the widespread and well‐studied anthocyanins and carotenoids, may attract pollinators ...
Sierra L. Jaeger, Addison G. Darby, Andrea E. Berardi, Bridget T. Harter, Thomas D. Buchloh, Eric F. LoPresti   +5 more
wiley   +1 more source