IRG Documents Database and Compendium



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The first two years of an area wide management program for the Formosan subterranean termite in the French Quarter, New Orleans, Louisiana
2000 - IRG/WP 00-10357
…Quarter, New Orleans, Louisiana, USA is very high. A large area pilot test for area wide management of this insect was begun in 1998 in the French Quarter to reduce densities of termites and demonstrate the effectiveness of the approach of treating all properties in a large area using area wide management. The pilot…
D R Ring, A L Morgan, W D Woodson, A R Lax, X P Hu, E D Freytag, L Mao


Large scale management of subterranean termite attacks in urban areas in Spain. Spanish standard UNE 56418:2016
2025 - IRG/WP 25-41036
…function. In Europe are located in the Mediterranean area. In Spain termites are an important problem in urban areas attacking wood and wood-based elements in the buildings. It is estimated about 80% of old historic towns in Spain are affected by subterranean termite attack and it is one of the most important…
D Lorenzo, M T de Troya, J Benito, A Lozano


Protocol of action in urban areas affected by subterranean termite attacks in Spain. Example of management in the old town of Areatza
2024 - IRG/WP 24-11037
…function. In Europe are located in the Mediterranean area. In Spain termites are an important problem in urban areas. It is estimated about 80% of old historic towns in Spain are affected by subterranean termite attacks and it is the most important damage in wood structures and wood elements. The activity of…
D Lorenzo, J Benito, J Arancon, D Luengas


Subterranean termite control management in urban areas in Spain. Example of management in the old town of Vigo, Spain
2023 - IRG/WP 23-11006
…In Europe, they are mainly located in the Mediterranean area. In Spain, termites are an important problem in urban areas. It is estimated about 80% of old historic towns in Spain are affected by subterranean termite attacks and it is the most important damage in wood structures and wood elements. The activity of…
D Lorenzo, A Lozano, M Touza, J Benito


A Study on the Damage and Conservation of Wood in Dense Areas of Wooden Buildings
2025 - IRG/WP 25-50412
…on the current condition of wooden houses in the Seocho area, a densely built wooden residential area in Jongno-gu in Seoul, Korea. This study has been conducted to explore the proactive and sustainable spatial pest control methods, to preserve timber components of wooden houses from the termite infestation. And…
N-C Ko, Y-J Lee, H-D Kim


Assessment of the condition of wooden mill in the area of Kovačevići in Bosnia and Herzegovina
2023 - IRG/WP 23-11030
An excellent example of cultural and technical heritage is almost 100 year old wooden mills near Cazin in Bosnia and Herzegovina. These mills played an important role, especially in times of Bosnian war (1992-95), when this region was cut off from electricity.…
B Lesar, R Hasanagic, M Humar


Study on “Washing” used in Traditional Wooden Building in Japan -Survey in KawaraMachi Area, Gifu Prefecture
2019 - IRG/WP 19-10948
…washing on the traditional buildings of KawaraMachi area, based on interview survey. KawaraMachi area is located on the river side of the Nagaragawa River, so since long years ago it flourished as a center of economic activities, by river transportation. Many wooden buildings influenced by these backgrounds…
K Tanaka, H Ishiyama


Spanish termites standard UNE 56418:2016 “Protocol of action in urban areas affected by subterranean termite attacks”. Example of application of the standard in a real case in the old city of Vigo, Spain
2018 - IRG/WP 18-10912
…function. In Europe are located in the Mediterranean area. In Spain is an important problem in urban areas. It is estimated about 80% of old historic cities in Spain are affected by subterranean termite attacks and it is the most important damage in wood structures and carpentries, in old buildings even in new…
D Lorenzo, A Lozano, M Touza, J Benito, M T de Troya, J Galván, L Robertson


Control of Reticulitermes grassei as a pest in Spain: Termite distribution in an urban area
2010 - IRG/WP 10-10719
…was conducted in order to determine a theoretical affected area of ca 65,836 m2. That area was monitored by installation of 2200 baiting (monitoring) devices provided by Dow AgroSciences Iberica S.A. (Dow). The inspections conducted during the pre-treatment and treatment phases, have allowed us to estimate the real…
E Alcaide, R Molero, J Diz, M Gaju


Wood boring species present in the Tagus Estuary and the severity of their attack on wooden piles exposed in the area: a case study
2008 - IRG/WP 08-10664
…and steel in maritime structures in many European coastal areas. Wooden piles obtained from a wharf exposed in the Tagus Estuary, Porto Brandão (Almada, Portugal) provided an opportunity to understand the main agents of biodeterioration of wood, as wooden structures in the area are rare. The examination of the…
L M S Borges, L Nunes, A A Valente, P Palma


Trial to determine a suitable schedule for radial and longitudinal treatment of plug samples by comparison of changes in the fluid retention and the treated area
2001 - IRG/WP 01-40211
…by image analyser as depth (mm) and as total treated area (%). From the experimental data, it was concluded that the suitable schedules are 5 bar pressure for 45 minutes for the radial flow direction, and 3 bar pressure for 7 minutes for the longitudinal flow direction. Therefore these schedules are suggested…
I Usta


Durability of wood in the area of wood-inhabiting termites in Slovenia
1981 - IRG/WP 1139
…experiment was made in natural conditions in the Slovene area of wood-inhabiting termites. The results of our experimental field, which correspond to the results of the former laboratory experiments, show a very weak resistance of spruce-wood, fir-wood, and beech-wood. They also show their short durability /up to…
L Kervina


Preliminary investigation for preservation method of CLT using non-pressure treatment
2021 - IRG/WP 21-40919
…construction around the world, and some of these areas are at high risk of biodeterioration. Addition to moisture management of construction, preservative treatment of CLT may be needed to prevent decay and termite attack in the area. Pressure treatment being most reliable, is not feasible due to the large…
T Miyauchi, Y Ohashi, J Miyazaki, R Takanashi, H Shibui, S Isaji, T Shigeyama, Y Sugai, A Yamamoto, T Hramiishi, T Mori, H Matsunaga


Evaluating the Efficacy of Arnica Extract-Based Termiticide from Berkem Biosolutions® in Subterranean Termite Control: A Comprehensive Laboratory and Four-Year Field Study
2025 - IRG/WP 25-20731
…sp., and Odontotermes sp. were present around the testing area. Observations indicated that the treated soil maintained high resistance against termite penetration throughout the testing period. This comprehensive evaluation underscores the potential of bio-based termiticides in sustainable termite management,…
D Messaoudi, S Khoirul Himmi, D Tarmadi, I Guswenrivo, S Yusuf


The spread of technology in a simple wooden pile construction method to prevent shallow landslides
2025 - IRG/WP 25-20733
…at four diverse sites across Japan: hazardous tree felling areas in the Dōtoku National Forest (Hyogo Prefecture), road reinforcement zones in the Anshōji National Forest (Kyoto Prefecture), embankment collapse prevention areas in the Ōmine region (Mie Prefecture), and volcanic scoria slopes in the Myōjin area of…
K Shimizu, K Tanaka, H Hashitani, A Yamaguchi, K Kabeno, Y Iijima, A Ito, M Jo, T Fujii, K Abe, H Ochiai


2018 Railway Tie Survey and the Non-Hazardous Secondary Materials Rulemaking Activities
2019 - IRG/WP 19-50352
…will discuss a survey AAR recently completed on the management of used crossties in the North American rail industry. Approximately 23 million new wood ties are purchased and installed in the North American rail network every year. The presentation will show the number and percentage of ties which are managed…
R Fronczak, S Smith


Modelling the performance of bio-based building materials
2016 - IRG/WP 16-20582
The ‘bio-based economy’ represents a growing area of development globally and covers a wide range of building materials including wood and wood-based products. A ‘bio-based’ material is intentionally made from substances derived from living (or once-living) organisms. In this context it means that…
C Brischke


Cryptotermes brevis - a silent earthquake for the wood structures in a World Heritage city in the Azores Islands
2016 - IRG/WP 16-50316
…expanding. The city centre is no longer the only affected area. The percentage of buildings that are affected or in risk to be affected is very high in the entire city. Traditional construction, with timber load bearing structures, is being replaced by metal or other materials. There is still no Integrated Urban…
O Guerreiro, P A V Borges, L Nunes


Study on Biological Distribution to Conserve the Tripitaka Koreana woodblocks in Haeinsa Temple
2015 - IRG/WP 15-10844
…In this study, termite monitoring on whole Haein-sa temple area and distribution investigation of insect and microorganism around Janggyeong Panjeon were conducted to make up basic data for heritage conservation and management.
Si Hyun Kim, Hyun Ju Lee, Yong Jae Chung


Applicability of wood durability testing methods to bio-based building materials
2015 - IRG/WP 15-20561
…be able to withstand or prevent such attack. There are a wide range of test methods and standards in place to test susceptibility although most of these test individual components such as wood or panel material. A wide range of old and new bio-based materials and novel construction techniques are showing an…
S F Curling, B K Stefanowski, E Mansour, G A Ormondroyd


Variability in durability of some selected South-American wood species
2014 - IRG/WP 14-10831
Within the scope of sustainable forest management one wants to encourage the proper use of lesser known wood species. Therefore the market has to shift from a demand-driven towards a supply-driven market without loss of wood quality. It is generally known that the durability from pith to bark…
I De Windt, P ’t Hooft, J Van den Bulcke, J Van Acker


Potential for using boron for mitigation of Phytophthora ramorum in Douglas-fir logs
2014 - IRG/WP 14-30643
…in the United States. This organism has an extremely wide host range, including a number of commercial important conifers, among them Douglas-fir (Pseudotsuga menziesii). The continuing expansion of the range of P. ramorum will result in an increasing quarantine area with the need for methods to mitigate the…
J M Hulbert, J J Morrell E M Hansen


Analyses of premature failure of utility poles
2012 - IRG/WP 12-40584
…evaluated. Furthermore the copper content of undecayed areas of the same poles was analysed. The poles were strongly decayed in the sapwood area as well as in sap- and heartwood areas. The major part of the pole sections were infested by brown rot particularly by the copper tolerant fungi Antrodia spp.. The…
S Bollmus, N Rangno, H Militz, A Gellerich


Phytosanitary standards and the potential for acceptance of chemical treatments as a phytosanitary measure
2011 - IRG/WP 11-30558
…heat treatment and fumigation with methyl bromide. A wider range phytosanitary treatments and pest managements options are needed to protect and expand the forest products trade. Wood protection treatments are designed to extend the service life of wood products by protecting them from future attack by…
A Uzunovic, R Stirling, J J Morrell, P I Morris, C F Schauwecker


Metal Migration from Douglas-fir Poles Treated with Ammoniacal Copper Zinc Arsenate According to Best Management Practices
2010 - IRG/WP 10-50272
…poles was examined using pole sections treated using Best Management Practices. Copper and zinc levels were highest in runoff collected following the first rainfall events, then declined. Copper and zinc levels in runoff averaged 20 ppm and 5 pm respectively. The metal levels were then used to predict the amount…
J J Morrell, C S Love, C Freitag