Your search resulted in 127 documents. Displaying 25 entries per page.
Detection of feeding behaviour of termites using AE monitoring
1991 - IRG/WP 1514
Using acoustic emission (AE) monitoring, the feeding activity of the termite inhabiting a wood specimen was investigated. The amplitude and the rate of AE from the specimen of Coptotermes formosanus Shiraki was larger than that of Reticulitermes speratus Kolbe. The AE event rate was higher in the specimen with soldiers than without soldiers. The AE event rate decreased according to the resistance ...
Y Imamura, M Tokoro, M Owada, Y Fujii, M Noguchi
Testing of termiticides in soil by a new laboratory method with regard to Phoxim for replacement of chlorinated hydrocarbons
1986 - IRG/WP 1292
In comparison to chlorinated hydrocarbons insecticides of the compound classes organophosphates, carbamates and pyrethroids were tested according to an earlier described soil-test in the laboratory. The following termite-species were used: Heterotermes indicola, Reticulitermes santonensis and in addition Reticulitermes flavipes, Reticulitermes lucifugus, Reticulitermes speratus and Coptotermes for...
R Pospischil
Response of laboratory groups of Reticulitermes speratus (Kolbe) to different quantities of food
2003 - IRG/WP 03-10489
As part of a project aimed at improving understanding of the foraging biology of Japan’s most widespread wood-destroying termite, different sized groups of Reticulitermes speratus (0.5; 1 and 2 g) from two colonies were kept on 16 or 64 cm3 of sapwood of Cryptomeria japonica for 12 weeks in the laboratory. Patterns of wood consumption, wood consumption rates and survival are discussed....
M Lenz, T Yoshimura, K Tsunoda
Feasibility of termite control using crushed cement-stabilized sludge (Polynite) as a physical barrier and acoustic emission (AE) monitoring
2000 - IRG/WP 00-10381
In Japan, the damages by the subterranean termites (Coptotermes formosanus Shiraki and Reticulitermes speratus Kolbe) are more common. Recently, the more attention is paid to the methods of the termite controls of less- or non-chemical. As one of the non- chemical treatment, physical barrier using particles as basalts 1) , granites, and gravels 2) were investigated in terms of its safety, cost eff...
Y Yanase, M Shibata, Y Fujii, S Okumura, K Iwamoto, T Nogiwa, T Yoshimura, Y Imamura
Survey of maintenance management of a residence
2001 - IRG/WP 01-10405
The following points were clarified from the responses to the questionnaire. Termite damage was most common in the bathroom, washroom, and entrance, in that order. Termite damage was most commonly found beneath floors, followed by floor surfaces, and inside walls, in that order. Damage in framing was minimal. Damage in all structural components was most common in the Kyushu region, with the most s...
Y Yamaguchi, M Azuma, Y Hikita, K Nishimoto
Colony elimination of Reticulitermes speratus (Kolbe) (Isoptera:Rhinotermitidae) by bait system
1997 - IRG/WP 97-10189
Following a two-year estimation of the foraging populations and territory of Reticulitermes speratus (Kolbe) by triple mark recapture program at Uji campus of Kyoto University, bait stations (commercialized products containing hexaflumuron) were set up in the foraging territory in October 1995 to eliminate the colony. Inspections demonstrated that the number of test stakes with foraging termites d...
K Tsunoda, H Matsuoka, T Yoshimura, K Yamauchi
Biological resistance of aldehyde-treated wood
1994 - IRG/WP 94-40018
Biological resistance of wood treated with aldehyde cross-linking agents such as glyoxal, glutaraldehyde and dimethylol dihydroxy ethyleneurea (DMDHEU) were investigated. Sapwood blocks of Japanese cedar and Japanese beech, measuring 20 x 20 x 10 mm³ (T x R x L), were vacuum-impregnated at room temperature with 5-25% of aldehyde solutions. Blocks were kept in the solution for 1 week to gain the o...
S Yusuf, Y Imamura, M Takahashi, K Minato
Decay and termite durabilities of heat-treated wood
2004 - IRG/WP 04-40272
Decay and termite resistances of Plato-treated timbers were evaluated using a modified JIS decay test method, feeding test in a laboratory scale and a field exposure against Reticulitermes speratus (Kolbe) or Coptotermes formosanus Shiraki. The results showed that no significant decay durability of the
treated timbers although mass loss from decay slightly decreased in case of treated timbers. ...
S Doi, K Hanataa, E Kamonji, Yuuji Miyazaki
Anti-feedant activity of stilbenic components from bark of Picea glehnii against a subterranean termite, Reticulitermes speratus
2002 - IRG/WP 02-10447
Stilbenic components, one of polyphenolic groups, widely distributed in plant bodies have been known as anti-microbial agents, but not known whether to have anti-termite activities. A stilbene glucoside, isorhapontin, from the bark of Picea glehnii was examined on the anti-feedant activity against a subterranean Reticulitermes speratus. Isorhapontigenin, the aglycone of isorhapontin, induced from ...
S Shibutani, M Samejima, S Doi
Practical applications of steamed larch wood to a termite bait system using chlorfluazuron
2003 - IRG/WP 03-10464
Less chemical strategies are required for decrease of damages to residents from chemicals such as organic phosphates and carbamates those are usually used to prevent termite attacks on wooden buildings. One of the strategies is a bait system that has already been employed in the termite-infested areas. We tried to use steamed larch wood as a monitor wood and a bait matrix to stimulate feeding acti...
S Doi, S Shibutani, K Hanada, T Miyahara
Isolation and identification of the trail pheromone of the subterranean termite Reticulitermes speratus (Kolbe) (Isoptera: Rhinotermitidae)
1990 - IRG/WP 1459
The trail pheromone was successfully isolated from whole body extract of the termite Reticulitermes speratus (Kolbe) through various chromatographic reactions. Its trail-following activity was examined by bioassays. The primary structure of the pheromone was determined as normal chain dodecatrien-1-ol by capillary GC-MS analysis. Moreover, by means of capillary GC-MS and capillary GC-FTIR analyses...
M Tokoro, M Takahashi, R Yamaoka
Laboratory trials of biological control agents against subterranean termites
1991 - IRG/WP 1475
To screen for potential termite control by microorganisms, 17 mold fungi included 3 pathogenic fungi and 7 basidiomycetes, were used to challenge the test termite species, Coptotermes formosanus and Reticulitermes speratus. Test fungi were allowed grow and completely in Petri dishes. To screen for potential termite control by microorganisms, 17 mold fungi included 3 pathogenic fungi and 7 basidiom...
K Suzuki
Effects of steaming heat treatment of wood on the stimulation of termite feeding
1997 - IRG/WP 97-10212
At the 26th IRG conference, we reported that steamed Japanese larch heartwood samples were suffered a serious attack by subterranean termite, Coptotermes formosanus both in choice and no-choice feeding tests. This is possibly caused by the yield of termites stimulants in the wood samples resulting from the steaming process. Since the steaming heat treatment has often been applied to other several ...
S Doi, Y Kurimoto, M Takahashi, T Yoshimura
Termite durability of sugi (Cryptomeria japonica) heartwood kiln-dried under high-temperature process in relation to wood extractives
2005 - IRG/WP 05-10547
Termite durability of sugi heartwood samples kiln-dried under a high-temperature process were evaluated by using Reticulitermes speratus (Kolbe) as a test termite sp. The n-hexane extractives of these samples were analysed by a GC technique. The less termite durability was shown on the wood samples dried under the high-temperature process, in comparison with that of the air-dried samples. No GC-p...
S Shibutani, E Obataya, K Hanata, S Doi
Evaluation of Particulate Materials as a Physical Barrier against Termites under Floor of Experiment House
2017 - IRG/WP 17-10900
In Japan, the damages by the subterranean termites (Coptotermes formosanus and Reticulitermes speratus) are more common. Recently the more attention is paid to the less- or non-chemical methods for termite control. As a non-chemical treatment, physical barriers using particles such as gravels were investigated in terms of environmental safety, cost effectiveness, and duration of performance, and t...
Y Yanase, Y Fujiwara, Y Fujii, T Mori, T Yoshimura, S Doi
Comparative response of Reticulitermes flavipes and Coptotermes formosanus to borate soil treatments
1991 - IRG/WP 1486
Eastern (Reticulitermes flavipes [Kollarl]) and Formosan (Coptotermes formosanus Shiraki) subterranean termite workers (Isoptera: Rhinotermitidae) were exposed to borate-treated sand in an indirect exposure tunneling assay in the laboratory. In the ten day assay period, both termite species readily penetrated sand containing 5000, 10000, or 15000 ppm (wt. of compound / wt. of sand) disodium octabo...
J K Grace
Evaluation of two populations of Reticulitermes santonensis De Feytaud (Isoptera) by triple mark-recapture procedure
1997 - IRG/WP 97-10237
The optimisation and use of biocides is linked to the improvement in our understanding of the target organism. With this in mind we have studied 2 populations of the termite Reticulitermes santonensis De Feytaud. The first inhabiting an urban territory, the trees lining Ave. Boutroux in Paris. The colony has been estimated at 1,200,000 +/- 130,000 insects by triple mark-recapture procedure, foragi...
I Paulmier, B Vauchot, A-M Pruvost, C Lohou, M Tussac, M Jéquel, J-L Leca, J-L Clément
The evaluation of permethrin for wood preservation
1977 - IRG/WP 3107
The toxicity of the synthetic pyrethroid permethrin (NRDC 143) to a range of wood destroying insects has been investigated. In tests using Hylotrupes bajulus, Anobium punctatum, Lyctus brunneus and Reticulitermes santonensis permethrin showed a similar order of toxicity to that of gamma-BHC. Although the toxicity of permethrin to adult Anobium punctatum was of the same order as that of gamma-BHC, ...
R W Berry
International collaborative laboratory comparison of two wood preservatives against subterranean termites: Third update and first report
1996 - IRG/WP 96-10174
At the 24th annual meeting of IRG in Orlando, USA, in May 1993 an international subterranean termite laboratory bioassay to compare the various preferred termite protocols used by IRG termitologists was initiated. The author was nominated to co-ordinate this comparative laboratory evaluation of two wood preservatives, copper-chrome-arsenic (CCA) and copper naphthenate (Cu-Na) against the subterran...
J R J French
Laboratory evaluation of chemicals as termiticides
1986 - IRG/WP 1293
Laboratory procedures are described for screening chemicals against subterranean termites. Fast-acting compounds with persistent termiticidal activity are identified in tests using a soil substrate, and slower-acting bait toxicants are evaluated in a series of tests using cellulose substrates....
S C Jones
Some aspects of laboratory and field testing methods of antitermite wood preservatives
1973 - IRG/WP 235
Various methods for laboratory testing of antitermite activity of wood preservatives are described. The results of simultaneous tests of three water-borne preservatives, according to the various methods are discussed, and comparison is made with results of field tests on the same three preservatives, showing a fairly good accordance between laboratory results and field results....
M Fougerousse
Preliminary attempts towards the development of a small scale termite rearing chamber. Progress report
1983 - IRG/WP 1203
The results suggest that there is no evidence that the volume of the rearing chamber plays a part in the settlement of a colony. These rearing chambers present a factor of productivity (final enumeration)/(initial enumeration) of roughly 2 after one year. 90% of the colony survived. This method of breeding can be considered as feasible and cheap....
M Argoud, J C Palla, R Sternalsky
Evidence supporting the use of termite baiting systems for long-term structural protection
2000 - IRG/WP 00-10377
The efficacy of the Sentricon Colony Elimination System containing Recruit II termite bait (0.5% hexaflumuron) in controlling active subterranean termite infestations has been demonstrated in numerous studies. This baiting system and other termite baiting systems are now widely used, and generally accepted, tools for remedial termite control in North America, Hawaii, and other parts of the world. ...
J K Grace, N-Y Su
Effects in vivo of various tensides (surface-active agents) on Reticulitermes santonensis De Feyteaud
2001 - IRG/WP 01-10417
The results of studies of surface active agents (tensides, surfactants) on the feeding behavior and mortality of Reticulitermes santonensis De Feyteaud are described. The effects of these agents on the nature and relative populations of eight gut-inhabiting symbionts are also examined. Among the various tensides tested, bee's poison was the most effective in causing rapid termite death. A...
W Unger
Reticulitermes lucifugus Rossi, and its damages in Turkey
1982 - IRG/WP 1152
The moist-wood termite, Reticulitermes lucifugus Rossi, is generally observed on the wood material which has a direct contact with the soil as trunks and fence stakes. It was reported to be found in some provinces in Turkey. The termite has been seen in these areas so far at the endemic level, but any considerable damage or epidemy has not yet been reported. Considerable damages were observed on t...
O A Sekendiz