Circular RNA bmo_circ_0000157 facilitates microsporidian proliferation via an miR‐281‐5p‐mediated regulatory axis in <i>Bombyx mori</i>

Highlights: 1.Whole-transcriptome sequencing identified 51 novel miRNAs and 269 novel circRNAs after Nosema bombycis infection. 2.Constructed of an interaction network of 36 DEmiRNAs and 24 DEcircR...

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Butterflies reveal hidden signs of ecosystem health and habitat change

A study in Insect Science finds that butterfly communities in China&rsquo;s Qinling Mountains respond differently to environmental change based on their biological traits, with univoltine specialists ...

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Functional structure and beta diversity of butterfly communities in a Chinese biodiversity hotspot

Functional structure of butterfly community was divided into univoltine andbivoltine specialists and generalists. Altitude had a negative and resource availability had a positive impact on species ri...

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<i>Serratia marcescens</i> SM001‐induced oxidative stress accelerates <i>Spodoptera frugiperda</i> mortality by promoting midgut apoptosis

Oral infection of Spodoptera frugiperda by Serratia marcescens SM001 triggers an excessive, host-mediated oxidative burst in the midgut. This intense immunopathological response induces severe epithe...

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An apolipophorin secreted by endoparasitoid larvae of <i>Microplitis mediator</i> regulates immune responses of the host <i>Mythimna separata</i>

Larvae of the parasitoid secrete apolipophorin-II/I into the host hemolymph, where it interacts with host ITIH4. This interaction inhibits PPO activation, reduces antimicrobial peptide expression, an....

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Synergistic RNA interference in pest management: Targets, synergistic mechanisms, and integrated design strategies

Mechanism of synergistic pest control based on nano-delivery systems and synergistic agents for RNAi. We summarize five key physiological target pathways amenable to RNAi intervention, including neur....

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Corazonin signaling, a molecular switch for ascovirus‐mediated manipulation of host development and molting

Ascoviruses, as obligate insect pathogens that exclusively infect lepidopteran hosts, rely heavily on the precise regulation of host physiological processes to support their successful infection, sub....

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Silkworm synthetic biology: Toolkit development, chassis engineering, and biomanufacturing applications

Bombyx mori is emerging as a promising insect chassis for synthetic biology. Recent advances in transgenesis, targeted integration, genome editing, and gene regulation have enabled applications in fu...

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Synergistic role of egg‐associated bacteria in promoting egg hatching of black soldier fly (<i>Hermetia illucens</i> L.)

This study elucidates the dynamic succession of the egg-associated microbiota in Hermetia illucens, revealing a synchronized enrichment of genes encoding chorion-degrading enzymes essential for hatch...

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Papillote orchestrates development and reproduction via a positive hormone feedback axis in <i>Tribolium castaneum</i>

A working model of Pot function in T. castaneum. Under normal conditions, Pot restricts JH degradation, thereby activating IIS. Activation of IIS suppresses nuclear FOXO levels, which in turn inhibit...

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Fossil insect reveals earliest known mimicry of flowering plants 99 million years ago

Insects have evolved remarkable ways to avoid predators, with plant mimicry among the most effective. Many living and extinct insects resemble twigs, bark, mosses, lichens or leaves, allowing them to ...

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Earliest mimicking of flowering plants by insects

The earliest known insect mimicking angiosperm leaves, Dryadithone cretacea gen. et sp. nov. (Neuroptera: Ithonidae), is reported from the mid-Cretaceous Kachin amber, extending such complex insect b...

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Two Minus‐C odorant‐binding proteins (OBPs) involved in the perception of kairomone (+)‐3‐carene in <i>Dendroctonus valens</i>

Two Minus-C odorant-binding proteins (OBPs) were functionally characterized in Dendroctonus valens. Molecular and behavioral assays confirmed that these OBPs exhibit high binding affinity to the kair...

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miR‐375‐3p regulates food wanting in honeybees by mediating the dopamine synthesis pathway

miR-375-3p regulates food wanting in honeybees by directly targeting Ddc-mediated dopamine synthesis. Under starvation, miR-375-3p expression is downregulated in the honeybee brain, leading to increa....

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Insecticide resistance and target‐site mutations in field populations of <i>Tuta absoluta</i> in China

Previous studies have reported insecticide resistance in Tuta absoluta. However, the resistance situation in the China region remains unclear. We evaluated the resistance of field populations across ....

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The <i>HcUGT40R20</i> mediates the host plant adaptation of <i>Hyphantria cunea</i>: Providing a potential target for RNAi‐based formulation control strategies

During the process of feeding on different host plants by Hyphantria cunea, the activity of UGTs displays a seesaw pattern relationship with host preference. In the adaptation to different host plant...

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Males are worse mothers: Comparing care patterns in a facultatively caring beetle

Why should biparental care exist if offspring fare just as well when only one parent is present? In the facultatively dependent burying beetle, Nicrophorus vespilloides, manipulating environmental qu....

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RNAi‐based functional genomics tools for the beet leafhopper using microinjection and nanoparticle‐based topical spray

• First demonstration of functional RNAi in the beet leafhopper, Neoaliturus tenellus, using both dsRNA microinjection and star polycation nanoparticle-mediated topical spray delivery.•Microinjection...

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Global expansion, insecticide resistance, and the future of integrated pest management for Megalurothrips usitatus: A comprehensive review

This review synthesizes recent global research on the invasive pest Megalurothrips usitatus, highlighting how its biological traits, invasion dynamics, and evolving insecticide resistance drive its d....

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Mre11 deficiency leads to fat body senescence through concurrent dysregulation of mitochondrial function and lipid metabolism

ΔBmMre11 exhibited mitochondrial dysfunction and altered lipid metabolism, which contributed to the characteristics of fat body senescence. Specifically, genes involved in energy production and oxida....

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Mainland diversification and recent island lineages in the reduviid genus Tapirocoris: an integrative taxonomic framework with four new species

Using an integrative taxonomic framework that combines COI DNA barcodes, geometric morphometrics and phylogeography, we revise the assassin bug genus Tapirocoris and recover seven well-supported spec...

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The symbiont Wolbachia alleviates pesticide susceptibility in the two‐spotted spider mite Tetranychus urticae through enhanced host detoxification pathways

Wolbachia infection increases pesticide resistance in spider mite Tetranychus urticae. Wolbachia infection upregulates the expression of detoxification genes in T. urticae. Abamectin treatment signif...

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Microbial changes and associated metabolic responses modify host plant adaptation in Stephanitis nashi

This study demonstrated changes in microbial diversity and the reshaping of microbial community structure in the pear lace bug Stephanitis nashi when it fed on 2 different host plants, and showed how...

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The endosymbiont Serratia symbiotica improves aphid fitness by disrupting the predation strategy of ladybeetle larvae

Harboring the facultative symbiont Serratia symbiotica contributes to: (i) enhanced growth and fecundity of aphids, albeit at the cost of a shorter lifespan; (ii) hindered development of their predat...

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Colony performance of three native bumblebee species from South China and association with their gut microbiome

Bombus breviceps demonstrated better colony performance than Bombus atripes or Bombus bicoloratus, as they produced 96 ± 4 workers and consumed only 18 ± 2 mg of pollen and 1.2 ± 0.1 g of syrup. Bomb...

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A review on recent taxonomic updates of gut bacteria associated with social bees, with a curated genomic reference database

Social corbiculate bees harbor relatively simple microbial communities at the phylotypes level, however, genetic diversification is prevalent below phylotypes, i.e. at the species or strain level. Ad....

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Shrinking in the dark: Parallel endosymbiont genome erosions are associated with repeated host transitions to an underground life

Endosymbiotic bacteria live in the cells of other organisms. These microbes are particularly prevalent in insects, with whom they share a mutually beneficial relationship. In cockroaches, the endosym...

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Population dynamics of Drosophila suzukii across elevations in Wenchuan, China

Fruit production in mountainous regions often spans a wide elevational range, where varied environmental conditions may shape pest pressure differently across altitudes. In this study, D. suzukii adu...

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