Trap deployment along linear transects perpendicular to forest edges: impact on capture of longhorned beetles (Coleoptera: Cerambycidae)

Allison, Jeremy D.; Strom, Brian L.; Sweeney, Jon; Mayo, Peter

doi:10.1007/s10340-018-1008-7

Cited by 26 publications

(19 citation statements)

References 69 publications

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“…Allison et al. () found a similar result for three cerambycid species in the subfamily Cerambycinae, with significantly higher numbers of beetles captured at 30 m within the interior of forests at their study sites. This contrasts with research on the congener Megacyllene robiniae Forster, which found that M. robiniae was more abundant closer to the edges of forests (Harman & Harman, ; McCann & Harman, ).…”

Section: Discussionsupporting

confidence: 64%

“…Our study found that traps that were placed at greater distances within the interior of the forest had a higher likelihood of capturing M. caryae, compared to traps placed closer to the edge of the forest. Allison et al (2019) found a similar result for three cerambycid species in the subfamily Cerambycinae, with significantly higher numbers of beetles captured at 30 m within the interior of forests at their study sites. This contrasts with research on the congener Megacyllene robiniae Forster, which found that M. robiniae was more abundant closer to the edges of forests (Harman & Harman, 1987;McCann & Harman, 1990).…”

Section: Location Of Traps Within a Forest May Influence Likelihood Osupporting

confidence: 66%

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Adults of the cerambycid beetleMegacyllene caryaeuse both olfactory and visual information to locate mates

Johnson

Hanson

2019

Entomologia Exp Applicata

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Many species of beetles in the family Cerambycidae use volatile pheromones to facilitate the location of mates. Visual cues may also influence the location of mates, as the adults of many species of cerambycids are often brightly patterned and diurnal. Theory predicts that combining signals or cues of different modalities (e.g., chemical, visual) to transmit information will increase the likelihood of an organism responding to this information, compared to when the signal or cue is presented alone. Here, we test the hypothesis that attraction of adults of the cerambycid beetle Megacyllene caryae (Gahan) (Coleoptera: Cerambycidae, Clytini) to their pheromones will be increased when visual cues are present. Consistent with that hypothesis, the number of beetles caught by traps baited with pheromones was increased 3.4‐fold when a dead adult beetle of that species was attached to the trap, relative to those with just pheromone alone. Capture of M. caryae in our study was also influenced by the position of traps within forest stands, with traps at 100 m within stands catching 2.5× as many beetles as traps at the forest edge. These findings suggest that vision and visual cues play an important role in the location of mates by cerambycid beetles and warrant further research. Also, the inclusion of visual cues on traps may enhance the efficacy of trapping cerambycid beetles, such as the detection of species that are non‐native and potentially invasive, or when monitoring species that are native and of conservation concern.

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Section: Discussionsupporting

confidence: 64%

Section: Location Of Traps Within a Forest May Influence Likelihood Osupporting

confidence: 66%

Adults of the cerambycid beetleMegacyllene caryaeuse both olfactory and visual information to locate mates

Johnson

Hanson

2019

Entomologia Exp Applicata

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“…Both bark beetle and weevil abundance have been reported to be higher in the forest interior [ 44 , 45 ] and higher abundance of Buprestidae in forest openings than at forest edges have been reported [ 17 ]. Allison et al [ 29 ] reported three different patterns of horizontal edge interior gradient effects for species of Cerambycidae. Two species were more abundant in open fields than the forest interior, one species more abundant at the forest edge than the interior and five species more abundant in the forest interior than in the adjacent open field.…”

Section: Discussionmentioning

confidence: 99%

“…Primary among the spatial factors to consider in forest settings is trap location along environmental gradients, specifically horizontal edge–interior and vertical understory–canopy gradients. Although consistent patterns in gradient effects among forest Coleoptera have not yet emerged, it is clear that they have strong impacts on the diversity and abundance of the species captured [ 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 ].…”

Section: Introductionmentioning

confidence: 99%

“…The majority of studies that look at the impact of horizontal edge–interior and vertical understory–canopy gradients on the trap catches of forest beetles examine a single gradient (e.g., [ 29 ]; but see [ 30 ]). This study looked at the impact of both horizontal edge–interior and vertical understory–canopy gradients, and their interactions on the diversity of forest Coleoptera detected in traps.…”

Section: Introductionmentioning

confidence: 99%

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Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps

Sweeney

Hughes

Webster

et al. 2020

Insects

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Semiochemical-baited intercept traps are important tools used to collect information about the presence/absence and population dynamics of forest insects. The performance of these tools is influenced by trap location along both horizontal edge–interior and vertical understory–canopy gradients. Consequently, the development of survey and detection programs requires both the development of effective traps and semiochemical lures but also deployment protocols to guide their use. We used field trapping experiments to examine the impact of both horizontal edge–interior and vertical understory–canopy gradients and their interactions with the species richness and abundance of Buprestidae, Cerambycidae and Curculionidae. Both gradients had significant effects on the diversity and abundance of all three families collected in traps and the pattern of gradient effects differed between the two experiments. In the first experiment, traps were deployed along transects involving large (>100 m) forest gaps and in the second experiment traps transected small (ca. 15 m) forest gaps. These results were consistent with the idea that gradient effects on the abundance and diversity of these three families of forest Coleoptera are context dependent. The results of this study suggest that monitoring programs for bark and woodboring beetles should deploy traps at multiple locations along both vertical understory–canopy and horizontal edge–interior gradients.

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Does refuge spillover affect arthropod food webs associated with Bt maize?

Zuim

Marques

Godoi

et al. 2021

Pest Management Science

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BACKGROUND: A high dose/refuge combination is the main tactic recommended for mitigating resistance selection of target herbivore species in crops expressing insecticidal proteins of the bacterium Bacillus thuringiensis (i.e. Bt proteins). The tactic consists of the simultaneous use of Bt crops expressing high levels of the Bt protein associated with neighboring areas of refuge of the same non-Bt crop species. Nonetheless, the approach faces controversy regarding its effectiveness and scale of adoption, at least in some regions. One concern focuses on its potential impact on the arthropod community, including its short-term and spatially dependent impact considering the likely biota spillover effect between Bt and non-Bt neighboring areas. Thus, the eventual spillover of Bt maize targeted and non-targeted arthropods was surveyed along transects extending from the refuge border to the center of the Bt maize area. RESULTS: Arthropods were collected throughout the maize vegetative and reproductive stages. A total of 85 arthropod species were collected, but their richness and abundance did not vary with distance from the refuge. By contrast, cultivation season played a significant role in distinguishing the arthropod communities. Refuge distance from the sampling point within Bt-fields did not significantly affect the food web metrics, unlike season, which affected the number of nodes integrating each food web. Winter maize cultivation exhibited higher arthropod diversity and combined values of species numeric abundance and biomass at each trophic level. CONCLUSIONS: No arthropod spillover was evident between the refuge edge and Bt maize, adding further controversy to the tactic currently subjected to lower usage in the region with a disputed cost-benefit relationship, because not even the target and its interdependent species were affected.

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Trap deployment along linear transects perpendicular to forest edges: impact on capture of longhorned beetles (Coleoptera: Cerambycidae)

Cited by 26 publications

References 69 publications

Adults of the cerambycid beetleMegacyllene caryaeuse both olfactory and visual information to locate mates

Adults of the cerambycid beetleMegacyllene caryaeuse both olfactory and visual information to locate mates

Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps

Does refuge spillover affect arthropod food webs associated with Bt maize?

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