Effect of three species of host tree on the cold hardiness of overwintering larvae of Anoplophora glabripennis (Coleoptera: Cerambycidae)

Feng, Yuqian; Tursun, Reaxit; Zhang, Xu; Ouyang, Fang; Zong, Shixiang

doi:10.14411/eje.2016.026

Cited by 10 publications

(6 citation statements)

References 15 publications

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“…Conversely, the positive effects of the LTI did not show a high level of significance (10%), because the low-temperature freezing damage has different effects at different times on pests. When larvae are wintering, their cold resistance significantly depends on the choice of host tree [60], and the "cold spring" climate phenomenon may inhibit the growth of wintering larvae and thereby reduce pest occurrence in following years.…”

Section: Discussionmentioning

confidence: 99%

The Driving Forces of Anoplophora glabripennis Have Spatial Spillover Effects

Huang

Liu

et al. 2021

Forests

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Anoplophora glabripennis Motschulsky, 1854 (Asian longhorned beetle) does serious damage to forests. It has a long history and wide distribution area in China and is spreading there and elsewhere. Extreme climate events, such as cold surges and droughts, have had a promotive impact on Anoplophora glabripennis occurrence, but the spatial spillover effect of extreme climate events and other environmental factors on the occurrence of this pest has not yet been clarified. Two indices, namely, Standardized Precipitation Evapotranspiration Index (SPEI) and Low Temperature Index (LTI), were used to quantify the effects of drought and low-temperature freezing damage. Based on spatial panel data modeling, this study calculated the spatial spillover effect of environmental factors on the incidence of Anoplophora glabripennis in 666 counties in China’s central plains from 2002 to 2009. The factors examined included LTI, SPEI, average wind speed, hours of sunlight, Gross Domestic Product (GDP) of regional primary industry, population density, Normalized Difference Vegetation Index (NDVI), and pest control rate. Study results indicated that the impacts of environmental factors on the incidence rate of Anoplophora glabripennis are different. Low-temperature freezing damage, drought, wind speed, and pest control rate had a driving impact on pest incidence rates. Overall, the direct effect accounts for about 85% of the total effect, while the indirect effect accounts for about 15% of the total effect.

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Section: Discussionmentioning

confidence: 99%

The Driving Forces of Anoplophora glabripennis Have Spatial Spillover Effects

Huang

Liu

et al. 2021

Forests

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“…Therefore, selection of appropriate environmental variables determines modeling accuracy [53]. Previous studies have shown that overwintering and distribution of ALB, D. helophoroides, and D. major are related to climatic factors such as temperature [54][55][56][57], and even the distribution of hosts was considered [58][59]. In this study, we used correlation analysis to screen for environmental variables useful for modeling and eliminated irrelevant factors bio5, bio7, bio8, bio9, bio17, and bio18 (Figure S6).…”

Section: Contribution Of Environmental Variables To the Establishment...mentioning

confidence: 99%

TitleClimate Change will Weaken the Ability of Natural Enemies to Control the Asian Longhorned Beetle, <i>Anoplophora glabripennis</i> (Coleoptera: Cerambycidae)

Zhang¹,

Wang²,

Lei³

2022

Preprint

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The Asian longhorned beetle (ALB), Anoplophora glabripennis is a forestry pest found worldwide. ALB causes serious harm because of the lack of natural enemies in the invaded areas. Dastarcus helophoroides and Dendrocopos major are important natural enemies of ALB. MaxEnt was used to simulate the distribution of D. helophoroides and D. major in China and Xinjiang, and their suitable areas were superimposed to evaluate the pest control ability of D. helophoroides and D. major. The results showed that, with climate change, the suitable areas of D. helophoroides and D. major migrated northward; the centroid shift of ALB was greater than that of D. helophoroides and D. major, which would lead to fewer natural enemies encountered by ALB during migration, reduce the control ability of natural enemies, and increase the risk of disastrous outbreaks in the invaded areas. We found that the damage caused by ALB was not serious in the areas with natural enemies and very serious in the areas without natural enemies. We suggest that natural enemies should be included in the model used for predicting suitable areas for invasive pests, as this is more conducive to assessing the risks of invasive organisms to the local ecological environment.

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“…The supercooling point (SCP) of the larvae was determined using methods reported previously [55]. A thermocouple (TP100; SenYi, Nanjing, China) was placed against the cuticle of the middle of the larva, secured by wrapping the circumference of the larva with Parafilm (Bemis NA, Neenah, WI, USA), and linked to a data recorder (Model 4152; Yokogawa Electric Co., Seoul, Korea).…”

Section: Determination Of the Supercooling Pointmentioning

confidence: 99%

Seasonal Shifts in Cold Tolerance and the Composition of the Gut Microbiome of Dendroctonus valens LeConte Occur Concurrently

Hou

Dong

Shi

et al. 2021

Forests

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Dendroctonus valens LeConte, an invasive bark beetle, has caused severe damage in pine forests and has the potential to disperse into new geographic ranges in China. Although the gut microbiota of D. valens and its fundamental role in host fitness have been investigated widely, little is known about the relationship between the seasonal shifts of both cold tolerance and the gut microbiome of D. valens during overwintering, which occurs at the larval stage. In this study, to examine seasonal variations in the composition of the microbiome, we collected D. valens larvae in September (autumn), January (winter), and May (spring), and then analyzed the bacterial and fungal communities of the gut via sequencing of partial 16S rRNA and ITS genes. In addition, changes in the supercooling capacity and antioxidant enzyme activities of D. valens larvae collected in the different seasons were evaluated. Overwintering resulted in changes to microbial communities. In particular, the abundances of Enterobacter, Serratia, Erwinia, and Klebsiella decreased during overwintering. Concurrent with these changes, the cold tolerance of D. valens larvae was enhanced during overwintering, and the activities of the antioxidant enzymes catalase and peroxidase were reduced. We hypothesize that seasonal shifts in the gut microbiome may be connected to changes in cold tolerance and antioxidant enzyme activity in D. valens. It will be worthwhile to confirm whether seasonal changes in the microbiome contribute to the success of host overwintering.

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Effect of three species of host tree on the cold hardiness of overwintering larvae of Anoplophora glabripennis (Coleoptera: Cerambycidae)

Cited by 10 publications

References 15 publications

The Driving Forces of Anoplophora glabripennis Have Spatial Spillover Effects

The Driving Forces of Anoplophora glabripennis Have Spatial Spillover Effects

TitleClimate Change will Weaken the Ability of Natural Enemies to Control the Asian Longhorned Beetle, <i>Anoplophora glabripennis</i> (Coleoptera: Cerambycidae)

Seasonal Shifts in Cold Tolerance and the Composition of the Gut Microbiome of Dendroctonus valens LeConte Occur Concurrently

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