First Report of the Larch Longhorn (Tetropium gabrieli Weise, Coleoptera: Cerambycidae: Spondylidinae) on Larix spp. in Lithuania

Lynikienė, Jūratė; Tamutis, Vytautas; Gedminas, Artūras; Marčiulynas, Adas; Menkis, Audrius

doi:10.3390/insects12100911

Cited by 4 publications

(1 citation statement)

References 14 publications

(28 reference statements)

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“…Both I. cembrae and T. gabrieli are native to the European Alps, and are considered pest species because they occasionally kill living trees Grégoire and Evans 2004;Grodzki 2008). Both species expanded their range as a result of larch species being planted outside their native range (Ravn 2012;Lynikiene et al 2021). Also, both species could still be viewed as being in the first and second phase of biological invasion: arrival of propagules to new areas and establishment of reproductive founder populations, which made them a good study system for the project.…”

Section: The Southern Systemmentioning

confidence: 99%

Establishment and spread of non-native bark- and wood-boring beetles

Cocoş¹

2023

Acta Universitatis Agriculturae Sueciae

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One of the biggest threats to forest ecosystems globally is the introduction and establishment of non-native species. In Sweden alone, several bark- and woodboring beetles have established populations in recent years. Three of the recently established species are the larch bark beetle Ips cembrae and the larch longhorn beetle Tetropium gabrieli in southern Sweden, as well as the small spruce bark beetle I. amitinusin northern Sweden. This thesis aims to assess their current distribution in Sweden and evaluate the factors that influence their local colonization and further spread. Pheromone-baited traps were used to assess if T. gabrieli is attracted to congeneric pheromone. Subsequently such traps were also used to estimate the local population sizes of I. cembrae and T. gabrieli. A survey method was developed for delimiting the distribution of I. amitinus based on inspection of logging waste on fresh cuttings. The method was used for establishing the southern range limit and the inter-annual spread. Field and laboratory experiments were also used to assess factors that influence the species local colonization. We found that T. gabrieli was attracted to the congeneric pheromone but not to the host volatiles. We found that local population sizes of both I. cembrae and T. gabrieli were related to the amount of suitable habitat in the landscape. We found that I. amitinus is already spread over large parts of northern Sweden and is one of the most common bark beetle species found in the region. Our results indicate that factors such as their reproductive strategy, forage for food and escape the enemy pressure influenced the probability of colonization. Allee effects, operating through the above mentioned components, might explain the low colonization probability for small local populations in the southern area and the abrupt range limit for I. amitinus in the north. In conclusion, species life history traits should be considered when planning risk assessments and monitoring programs of non-native species as it is a strong indicator for establishment. At the same time, the use of a correct method for surveying no nnative species is fundamental for an accurate conclusion of establishment and distribution.

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Section: The Southern Systemmentioning

confidence: 99%

Establishment and spread of non-native bark- and wood-boring beetles

Cocoş¹

2023

Acta Universitatis Agriculturae Sueciae

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Exploring the Nature of Arhopalus ferus (Coleoptera: Cerambycidae: Spondylidinae) Pheromone Attraction

Kerr,

Romo,

O’Connor

et al. 2024

J Chem Ecol

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Cerambycid species of the Spondylidinae subfamily are distributed worldwide and are known for being prolific invaders that infest conifers. In New Zealand, Arhopalus ferus (Mulsant), the burnt pine longhorn beetle, is well-established and requires monitoring at high-risk sites such as ports, airports, and sawmills as part of the requirements to meet pine log export standards set by the New Zealand Ministry of Primary Industries (MPI). Currently, its surveillance relies on traps baited with host volatiles (i.e., ethanol and α-pinene). We used volatile collections from adult beetles, electroantennograms, and field trapping bioassays to identify the pheromones emitted by the burnt pine longhorn beetle A. ferus and their effects on its behaviour. We show that A. ferus males emit mainly (E)-fuscumol and geranylacetone, as well as the minor components, α-terpinene and p-mentha-1,3,8-triene, and that all four compounds elicit a dose-dependent response in antennae of both sexes. Traps baited with the binary combination of geranylacetone plus fuscumol captured significantly more female A. ferus than did unbaited traps in two of three field experiments. α-Terpinene did not affect A. ferus trap catches and effects of p-mentha-1,3,8-triene on trap catch were not determined. Our findings provide further evidence of the use of fuscumol and geranylacetone as aggregation-sex pheromones by longhorn beetles in the Spondylidinae subfamily, and suggest that their deployment in survey traps may improve the efficacy of A. ferus monitoring in New Zealand and elsewhere.

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Tetropium gabrieli (longicorn beetle, Larch)

2022

CABI Compendium

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First Report of the Larch Longhorn (Tetropium gabrieli Weise, Coleoptera: Cerambycidae: Spondylidinae) on Larix spp. in Lithuania

Cited by 4 publications

References 14 publications

Establishment and spread of non-native bark- and wood-boring beetles

Establishment and spread of non-native bark- and wood-boring beetles

Exploring the Nature of Arhopalus ferus (Coleoptera: Cerambycidae: Spondylidinae) Pheromone Attraction

Tetropium gabrieli (longicorn beetle, Larch)

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