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A mini review on climate change impact on bio-ecology of subterranean termites
2023 - IRG/WP 23-50375
Climate change is creating possibilities of changes in the bio-ecology of termites across the globe. This change will be felt differently in different regions. While changes in swarming times will be common in the Northern hemisphere, the tropic will encounter more life-history related changes. But termites posing newer threats induced by climate change will be mostly dependent on human activitie...
P Dhang


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
Termites are wood destroying insects always present in the nature with an important wood decomposition 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...
D Lorenzo, J Benito, J Arancon, D Luengas


Laboratory evaluation of PA1b, an insecticidal protein extracted from pea seeds (Pisum sativum), as bait active ingredient against the subterranean termite Coptotermes gestroi (Blattodea: Rhinotermitidae) in tropical zones
2024 - IRG/WP 24-11038
Coptotermes gestroi (Wassman 1896) is one of the worst pests in tropic areas, economically. Two types of curative methods are used since decades to eliminate colonies that attack constructions: injection of biocidal treatment solutions on wood, walls and soil, and population control using baits. In application of the current regulations, the first technique can no longer be used in Europe, to lim...
J Vuillemin, D Messaoudi, P da Silva


Adaptability of Reticulitermes flavipes (Kollar) in a northern climate
2024 - IRG/WP 24-11048
Populations of the eastern subterranean termite, Reticulitermes flavipes (Kollar), are widely distributed across North America and have been introduced into various parts of Europe. Although colonies of this species are most abundant in the warmer, southern regions, populations have been found to persist in more northern climates where they must contend with frozen soil at least part of the year. ...
R A Arango, K M Ohno, A B Bishell, G T Kirker


Laboratory and field evaluations of bio-based termiticide containing Arnica extract from Berkem Biosolutions® against native and Formosan subterranean termites
2024 - IRG/WP 24-11049
Arnica extract from Berkem Biosolutions® is a 100% plant-based ingredient, rich in active molecules, particularly polyphenols, specially adapted to the needs and challenges of termite protection. The efficacy performance of a bio-based termiticide product containing Arnica extract from Berkem Biosolutions® had been evaluated both in soil treatment and in wood protection treatment against native ...
D Messaoudi, J Curole, Q Wu


Barriers of polyglycol/borate treated wood prevent termite attack to untreated wood above them in 10-year field tests
2024 - IRG/WP 24-20709
As a pioneer in wood protection and borate research Terry Amburgey, a lifetime member of the IRG, had many projects where borates were used in subsequently commercially very successful applications. This paper is one of the initial research projects that lead to polyglycol borates being used as a standalone treatment to protect against termites in new homes which has now been well proven over the ...
K W Ragon, J D Lloyd, T L Amburgey


Potential of heartwood extracts as wood preservatives combined with linseed oil in 8-year above-ground and in-ground field trials
2024 - IRG/WP 24-20719
The current study assessed the efficacy of heartwood extracts from Tectona grandis, Dalbergia sissoo, Cedrus deodara, and Pinus roxburghii, combined with linseed oil, as protectants for two non-durable wood species against termites and decay fungi. Stakes measuring 45.7 × 1.9 × 1.9 cm and blocks measuring 12.5 × 3.75 × 2.5 cm of the sapwood of southern pine (Pinus sp.) and cottonwood (Populus ...
M E Mankowski, G T Kirker, B Hassan


Effectivity of zinc borate in medium density fiberboard (MDF) for ground proximity testing
2024 - IRG/WP 24-20723
Medium-density fiberboard (MDF) is one of the most used and versatile wood composites. Most of its use has been focused on interior applications. Adhesives such as p-MDI (polymeric methyl diphenyl diisocyanate) provide MDF with a better performance against moisture, but resistance against decay is also required for outdoor use. A mix of wood fibers, p-MDI, and 0.75%-1.5% of ZB was made to produce ...
S M Vega Gutierrez, T Olivadoti


Field facility for conducting wood durability tests at LSU Agricultural Center
2024 - IRG/WP 24-41012
Efforts by Louisiana State University Agricultural Center (LSU AgCenter) to conduct wood durability research on C. formosanus and other wood-related topics, have led to establishing three field research sites to test wood products against Formosan subterranean termites (New Orleans, La), and native subterranean termites (Franklinton, LA), and to test utility poles for outdoor exposure, decay resis...
Q Wu, J Curole


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