Multiple-Lure Surveillance Trapping for Ips Bark Beetles, Monochamus Longhorn Beetles, and Halyomorpha halys (Hemiptera: Pentatomidae)

The paper deals with cambioxylophagous insects on Scots pine (<i>Pinus sylvestris</i> L.) trees. Research was conducted in forest stands growing on steep slopes on the left bank of the Otava River about 1 km north of PÃsek. These are nearly unmanaged stands of a special-purpose function with the natural occurrence of Scots pine. In total, twenty standing trees at 60 to 160 years of age that died after the spell of drought in 2003 were analysed. The composition of the community of cambioxylophagous insects was recorded in detail. The frequencies of occurrence of particular insect species were determined. In total, 34 species of cambioxylophagous insects were recorded. The order Coleoptera was quite a dominant group and within the order bark beetles (Scolytidae) and longhorn beetles (Cerambycidae) prevailed. The median of the species developing on one tree was 11. <i>Tomicus piniperda</i> (L.) was markedly the most frequent species with the frequency of occurrence 90%. Based on the composition of the communities of cambioxylophagous insects the potential importance of the insect in the decline of the analysed Scots pine trees was evaluated. Cambioxylophagous insects probably played a secondary role there.

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Biotic factors damaging forest stands in Gornata Koria and Chuprene Reserves in Western Balkan Range, Bulgaria

Silva Balcanica ◽

10.3897/silvabalcanica.22.e77233 ◽

2021 ◽

Vol 22 (2) ◽

pp. 91-102

Author(s):

Margarita Georgieva ◽

Georgi Georgiev ◽

Plamen Mirchev ◽

Gergana Zaemdzhikova ◽

Danail Doychev ◽

...

Keyword(s):

Health Status ◽

Norway Spruce ◽

Bark Beetles ◽

Abies Alba ◽

Integrated Approach ◽

Heterobasidion Annosum ◽

Silver Fir ◽

Forest Stands ◽

Fomitopsis Pinicola ◽

Longhorn Beetles

AbstractAssessment and monitoring of health status in deteriorated forest stands in Gornata Koria and Chuprene Reserves in Western Balkan Range (Bulgaria) were conducted in 2017. An integrated approach (based on remote sensing technologies and terrestrial validation) was applied. A series of subsequent terrain observations were carried out in both protected areas mainly in dead or in poor health status stands. As a result, sixteen insect species were identified in Gornata Koria and nine pests in Chuprene Reserves. The predominant number of pests included bark beetles and weevils (Curculionidae), longhorn beetles (Cerambycidae), etc. Attacks caused by the European bark beetle (Ips typographus) formed the main disturbance in the Norway spruce forests in both reserves. Ten parasitic and ten saprophytic fungi were identified in the stands of the Norway spruce (Picea abies), silver fir (Abies alba) and European beech (Fagus sylvatica). Among the parasitic fungi, six species were identified as destructive (Armillaria sp., Heterobasidion annosum, Fomitopsis pinicola, Fomes fomentarius, Ramaria flava and Pholiota squarrosa).

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Differences in insect anatomy may affect tolerance to the fumigant ethanedinitrile

New Zealand Plant Protection ◽

10.30843/nzpp.2018.71.144 ◽

2018 ◽

Vol 71 ◽

pp. 350

Author(s):

Godwin N. Gidiglo ◽

Adriana J. Najar-Rodriguez ◽

Matthew K.D. Hall ◽

Maria A. Minor ◽

Qiao Wang

Keyword(s):

Methyl Bromide ◽

Bark Beetles ◽

Life Stages ◽

Insect Behaviour ◽

Main Route ◽

Longhorn Beetles ◽

Phytosanitary Treatment ◽

Potential Alternative ◽

Species Specific ◽

Thoracic And Abdominal

Ethanedinitrile (EDN) is a potential alternative fumigant to methyl bromide for the phytosanitary treatment of timber and logs. Previously, adult golden-haired bark beetles (Hylurgus ligniperda) have shown high rates of tolerance to EDN, while all life stages of burnt-pine longhorn beetles (Arhopalus ferus) were highly susceptible. These results suggest that the fumigant mode of action might be species-specific and more complex than previously thought. Therefore, the anatomy of these beetles was examined to investigate potential differences in EDN toxicity related to these insect traits. The mesothoracic and fourth abdominal cuticles of 20 individuals were measured and compared across the two species. Spiracle sizes of 20 adult insects were also measured and compared across and within species. Of the two species, A. ferus had the thicker dorsal thoracic and abdominal cuticle. Adults of A. ferus had also the larger total spiracle area. These results provide important information to help explain the observed differences in EDN tolerance across the two species. Further work will test the main route of entry of EDN into the bodies of target insects and additional effects on EDN on insect behaviour.

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Health Condition and Colonization of Stem Insects in Scots Pine after Ground Fire in Central Polissya

Folia Forestalia Polonica ◽

10.2478/ffp-2018-0014 ◽

2018 ◽

Vol 60 (3) ◽

pp. 143-153 ◽

Cited By ~ 2

Author(s):

Olena Andreieva ◽

Olena Zhytovа ◽

Ivan Martynchuk

Keyword(s):

Scots Pine ◽

Bark Beetles ◽

Strong Predictor ◽

Forest Health ◽

Stocking Density ◽

Health Condition ◽

Fire Damage ◽

Longhorn Beetles ◽

Ground Fire ◽

In Fire

Abstract Over the past decades, the increase in occurrence of fires has caused degradation of the forest ecosystem and caused impacts to the environment. The aim of this study was to reveal the peculiarities of Scots pine health condition dynamics in the first 2 years after August fire and to estimate the rate of tree colonisation by stem insects in Central Polissya. Scots pine health condition for the first 2 years after summer ground fire in August 2016 and the rate of tree colonisation by stem insects was studied in Zhytomyr region, Western Ukraine. Stem scorch height was measured for every fire-damaged tree, and the index of fire damage severity was calculated. Vital trees health condition worsened more intensively in the sample plot with the lowest relative stocking density and the highest stem scorch by fire. Generally, the forest health condition has worsened in post-fire period in fire damaged stands. However, 23.1% of trees recovered health condition from category ‘drying-up’ to ‘severely weakened’. In fire-damaged stands, the number of species of stem insects has increased from 8 to 11 during the first 2 years of fire damage. Bark beetles were represented by Tomicus piniperda (Linnaeus, 1758), Tomicus minor (Hartig, 1834), Ips acuminatus (Gyllenhal, 1827) and Ips sexdentatus (Boerner, 1767). Jewel beetles included Anthaxia quadripunctata (Linnaeus, 1758), Phaenops cyaneus (Fabricius, 1775), Melanophila acuminata (DeGeer, 1774) and Chalcophora mariana (Linnaeus, 1758). Longhorn beetles included Monochamus galloprovincialis (Olivier, 1795), Pogonocherus fasciculatus (Degeer, 1775) and Acanthocinus aedilis (Linnaeus, 1758). Tree colonisation by stem insects in the year of fire damage was comparable with control stand, because insect swarming completed before this disturbance. Maximal occurrence of stem insects in 2017 in fire-damaged stand increased up to 66.7% (for I. sexdentatus). The percentage of trees colonised by any insect species at fire-damaged and healthy pine stands differed significantly. The occurrence of stem insects depended mainly on the ratio of trees with different health condition. Our results demonstrate data of tree damage from fire and tree health index as a strong predictor of post-fire mortality of Scots pine and bark beetle occurrence.

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On the vertical distribution of Ips duplicatus, I. cembrae and some bark- and longhorn beetles (col.: curculionidae, Scolytinae; col.: cerambycidae) in the Tatra national Park in Poland

Folia Forestalia Polonica ◽

10.2478/ffp-2020-0008 ◽

2020 ◽

Vol 62 (2) ◽

pp. 68-77 ◽

Cited By ~ 1

Author(s):

Wojciech Grodzki

Keyword(s):

Climate Change ◽

Bark Beetles ◽

National Park ◽

Growing Season ◽

Pheromone Traps ◽

Longhorn Beetles ◽

Ips Duplicatus ◽

Tatra National Park ◽

First Time ◽

The Vertical Distribution

AbstractIn 2013–2014, a set of 30 pheromone traps baited with synthetic lures attracting I. duplicatus (Duplodor – 15 traps) and I. cembrae (Cembrodor – 15 traps) was installed in 6 altitudinal transects (1000–1400 m a.s.l., every 100 m of elevation) in the eastern, central and western part of the Tatra National Park (TPN) in Poland and operated during the entire growing season. The main aim of the survey was to check if and to what vertical extent these two species of bark beetles, not yet recorded, are presently distributed in TPN. Collected insects, including non-target Scolytinae and Cerambycidae, were determined. Overall 1896 Scolytid bark beetles belonging to 13 species, all occurring in the whole elevation range, were collected. I. duplicatus (28 specimens in total) was collected in the whole elevation profile, similarly as I. cembrae (718 specimens in total). Among Cerambycidae (282 individuals) belonging to 19 species, Rhagium inquisitor and Pidonia lurida, found on all elevations, were the most abundant; 8 species were collected on the highest locality. Pogonocherus decoratus was found for the first time in the Tatra. Results indicate the upward spreading of the studied insects as a possible effect of climate change and the resulting environmental conditions favourable for those organisms.

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Insects in burned forests - forest protection and faunal conservation (preliminary results)

Entomologica Fennica ◽

10.33338/ef.83846 ◽

1995 ◽

Vol 6 (2-3) ◽

pp. 109-117 ◽

Cited By ~ 19

Author(s):

Bengt Ehnström ◽

Bo Långström ◽

Claeus Hellqvist

Keyword(s):

Forest Fires ◽

Bark Beetles ◽

Common Species ◽

First Year ◽

Forest Protection ◽

Burned Areas ◽

Pine Shoot Beetle ◽

Longhorn Beetles ◽

Pine Trees ◽

In Fire

The beetle colonization of fire-damaged trees was studied in seven reserves, which were established in burned forests in south and central Sweden, following extensive forest fires in the summer of 1992. In the spring of 1993, burned pine trees displayed a large range in fire damage from virtually undamaged ones to trees killed by the fire. Spruces were more sensitive than pine, and few fire-damaged spruces had some green foliage left. The pine shoot beetle, Tomicus piniperda (Linnaeus) was the main colonizer of pine trees, occurring at all sites, but altogether in only one-third of the trees. On spruce, two bark beetles were common: Polygraphus poligraphus (Linnaeus) was found on nearly all sites and altogether on half of the trees, followed in abundance by Pityogenes chalcographus (Linnaeus). These common species were accompaniedby an assembly of bark and longhorn beetles, commonly occurring on fresh conifer timber. Most of the beetle species clearly preferred the dead or dying trees. However, the species mentioned above as well as Arhopalus rusticus (Linnaeus) also attacked trees with more than half of the foliage left. Three fire-favoured species were observed: Oxypteris (Melanophila) acuminata (Degeer), Sericoda (Agonum) quadripunctata (Degeer) and Pterostichus quadrifoveolatus (Letzner). Line surveys indicated little bark beetle dispersal from the burned areas into surrounding forests. Further studies are needed as the primary colonization of the burned trees was obviously not completed during this first year after the fire.

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Maximizing Bark and Ambrosia Beetle (Coleoptera: Curculionidae) Catches in Trapping Surveys for Longhorn and Jewel Beetles

Journal of Economic Entomology ◽

10.1093/jee/toaa181 ◽

2020 ◽

Vol 113 (6) ◽

pp. 2745-2757 ◽

Cited By ~ 1

Author(s):

Matteo Marchioro ◽

Davide Rassati ◽

Massimo Faccoli ◽

Kate Van Rooyen ◽

Chantelle Kostanowicz ◽

...

Keyword(s):

Bark Beetles ◽

Ambrosia Beetle ◽

Ambrosia Beetles ◽

Longhorn Beetles ◽

Entry Points ◽

Trap Color ◽

Bark And Ambrosia Beetles ◽

Trap Height ◽

Associated Species ◽

Wood Boring

Abstract Bark and ambrosia beetles are commonly moved among continents within timber and fresh wood-packaging materials. Routine visual inspections of imported commodities are often complemented with baited traps set up in natural areas surrounding entry points. Given that these activities can be expensive, trapping protocols that attract multiple species simultaneously are needed. Here we investigated whether trapping protocols commonly used to detect longhorn beetles (Coleoptera: Cerambycidae) and jewel beetles (Coleoptera: Buprestidae) can be exploited also for detecting bark and ambrosia beetles. In factorial experiments conducted in 2016 both in Italy (seminatural and reforested forests) and Canada (mixed forest) we tested the effect of trap color (green vs purple), trap height (understory vs canopy), and attractive blend (hardwood-blend developed for broadleaf-associated wood-boring beetles vs ethanol in Italy; hardwood-blend vs softwood-blend developed for conifer-associated wood-boring beetles, in Canada) separately on bark beetles and ambrosia beetles, as well as on individual bark and ambrosia beetle species. Trap color affected catch of ambrosia beetles more so than bark beetles, with purple traps generally more attractive than green traps. Trap height affected both beetle groups, with understory traps generally performing better than canopy traps. Hardwood-blend and ethanol performed almost equally in attracting ambrosia beetles in Italy, whereas hardwood-blend and softwood-blend were more attractive to broadleaf-associated species and conifer-associated species, respectively, in Canada. In general, we showed that trapping variables suitable for generic surveillance of longhorn and jewel beetles may also be exploited for survey of bark and ambrosia beetles, but trapping protocols must be adjusted depending on the forest type.

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КОМАХИ-КСИЛОФАГИ ЛИСТЯНИХ ПОРІД У НАЦІОНАЛЬНОМУ ПРИРОДНОМУ ПАРКУ «ГОМІЛЬШАНСЬКІ ЛІСИ»

Біорізноманіття, екологія та експериментальна біологія ◽

10.34142/2708-583x.2019.21.10 ◽

2019 ◽

pp. 82-89

Author(s):

М. П. Бєлявцев ◽

В. Л. Мєшкова

Keyword(s):

Bark Beetles ◽

Ecological Features ◽

Dead Trees ◽

Longhorn Beetles ◽

Longhorn Beetle ◽

Drying Up ◽

Nature Park ◽

English Oak ◽

Xyleborus Dispar ◽

Xylophagous Insects

The aim of the research was to determine the ecological features and to evaluate the harmfulness of the most common xylophagous insects at the territory of the National Nature Park «Gomilshansky Forests». In deciduous forests of the National Nature Park «Gomilshansky Forests», 22 species of xylophagous insects from 16 genera of three families have been found, i.e. longhorn beetles (Cerambycidae), jewel beetles (Buprestidae) and bark beetles (Curculionidae: Scolytinae). The vast majority of species are polyphages. Five species (Xylotrechus antilope, Agrilus biguttatus, A. hastulifer, A. laticornis and A. sulcicollis) were found only in the English oak, Dicerca (Dicerca) aenea was found only in the elm, and other xylophagous insects were found in different deciduous trees. The jewel beetle Agrilus biguttatus, the bark beetles Scolytus intricatus, Xyleborus dispar, Xyleborus monographus and Xyleborinus saxeseni colonized the most vital trees. The longhorn beetle Anisorus quercus colonized drying up trees, and the longhorn beetles Poecilium alni and Prionus coriarius colonized only dead trees. Potential injuriousness of each species was evaluated considering both physioogical injuriousness and technical injuriousness. Four species (18.2 %) – A. biguttatus, S. intricatus, Xyleborus dispar and Xyleborinus saxeseni – are potentially the most harmful with the frequency of occurrence 7 %, 5 %, 1 %, and 1 % respectively. Among 9 moderately harmful species (40.9 %), the most spread are Plagionotus arcuatus, P. detritus and Saperda scalaris (11 % each). Slightly harmful are 5 species, or 22.7 %, harmless are 6 species, or 18.2 %. The data obtained are the basis for further comparing the species composition and harmfulness of xylophagous insects in the zones with different management regimes of the national nature park.

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