Vertical and horizontal distribution of bark and woodboring beetles by feeding guild: is there an optimal trap location for detection?

Sheehan, Thomas N.; Ulyshen, Michael D.; Horn, Scott; Hoebeke, E. Richard

doi:10.1007/s10340-018-1026-5

Cited by 29 publications

(32 citation statements)

References 76 publications

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“…The latter trees were selected based on position and suitability to hold the weight of the traps, irrespective of the species. This trap height was selected because it is a good compromise to sample both longhorn beetle species active in the canopy and in the understory (Sheehan et al 2019). In addition, traps were placed along the forest edge at each site.…”

Section: Trap Type Trap Color and Experimental Schemementioning

confidence: 99%

Exploiting trap color to improve surveys of longhorn beetles

et al. 2020

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Longhorn beetles are commonly moved among continents within wood packaging materials used in trades. Visual inspections carried out at points of entry often fail to detect exotic longhorn beetles as infested materials may have little or no sign of colonization. Black-colored traps baited with pheromones and host volatiles are thus used to improve chances of detection. Here we tested whether existing surveillance protocols for longhorn beetles can be further improved using trap colors different than black. Baited traps of eight different colors (i.e., grey, yellow, green, red, blue, brown, purple and black) were deployed in a randomized complete block design at 16 sites in northern Italy in 2019. A total of 6,001 individuals from 56 longhorn beetle species were trapped. In general, yellow and blue traps caught a significantly higher number of longhorn beetle species than black traps. In addition, trap color significantly affected species richness and abundance at the subfamily and species level, with mixed response mostly linked to the habit of visiting flowers for food. Flower-visiting longhorn beetles mainly exhibited clear preference for flower-related colors, i.e., yellow, green and blue, whereas non-flower-visiting species were more attracted by dark and long-wavelength-dominated colors, like red and brown. Our results clearly indicate that generic surveillance programs should not rely exclusively on black traps and that the use of more trap colors can strongly improve the chance of detecting native and exotic longhorn beetles potentially moved with trades.

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Section: Trap Type Trap Color and Experimental Schemementioning

confidence: 99%

Exploiting trap color to improve surveys of longhorn beetles

et al. 2020

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“…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%

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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“…13). It is well known that some Coleoptera families and separate species have a clear preference for a certain forest layer (Su & Woods, 2001;Ulyshen, 2011;Procházka et al, 2018;Sheehan et al, 2019). A three-year study of the bait impact on Cerambyx cerdo Linnaeus, 1758 (Coleoptera) in Italy showed that this species was more common at a height of 10 m than at a height of 2 m (Redolfi De Zan et al, 2017).…”

Section: The Trapping Rate Dependence On Traps Heightmentioning

confidence: 99%

The use of simple crown traps for the insects collection

Ruchin¹,

Egorov²,

Khapugin³

et al. 2020

Nat. Conserv. Res.

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The paper presents data on the use of simple crown traps for studying the insect fauna. The crown trap is a five-litre plastic container with a window cut out on one side of it at a distance of 10 cm from the bottom. The height of the trap location is from 2 m to 10 m from the soil surface. Fermenting beer, various dry wines with the addition of honey, jam or sugar were used as bait. It turned out that crown traps are an effective way to study the insect fauna of the upper layers of forests. During the field seasons of 2018-2019, specimens of the following 12 insect orders were caught in crown traps: Blattoptera,

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Vertical and horizontal distribution of bark and woodboring beetles by feeding guild: is there an optimal trap location for detection?

Cited by 29 publications

References 76 publications

Exploiting trap color to improve surveys of longhorn beetles

Exploiting trap color to improve surveys of longhorn beetles

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

The use of simple crown traps for the insects collection

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