scholarly journals Field test on the palatability of the subterranean termites to pine wood with various treatments

2020 ◽  
Vol 21 (12) ◽  
Author(s):  
Arinana Arinana ◽  
Ahmad Fannani ◽  
Dodi Nandika ◽  
Noor Haneda

Abstract. Ariana, Fannani AR, Nandika D, Haneda NF. 2020. Field test on the palatability of the subterranean termites to pine wood with various treatments. Biodiversitas 21: 5763-5771. One of the keys to successfully determining the subterranean termite species' diversity in an area is using wood samples of their preference. This research aimed to evaluate the palatability of the subterranean termites to pine wood (Pinus merkusii) with boiling, steaming, hot vapor pressure, and oven treatments in the Arboretum of the Faculty of Forestry, IPB University, Bogor, West Java, Indonesia, and to analyze the species and the distribution of the subterranean termites that attacked the samples. The wood samples were 2 cm x 2 cm x 46 cm in size (ASTM D 1758-06). The steaming (100°C), boiling (100°C), and hot vapor pressure (1 bar, 105°C) treatments were carried out for five hours, while the oven treatment (103±2°C) was set up for 48 hours. Wood samples without treatment were also prepared as a control. After the treatments, all the samples were air-dried, sanded, weighed, and installed in the research location. The results showed that four subterranean termite species, i.e., Schedorhinotermes sp., Microtermes sp., Capritermes sp., and Macrotermes sp, were found attacking the wood samples. The highest attack frequency and the highest damage intensity were found in wood samples with hot vapor pressure treatment. Based on the scoring, the preeminent treatment for the wood samples was the hot vapor pressured treatment.

2011 ◽  
Vol 279 (1729) ◽  
pp. 813-819 ◽  
Author(s):  
Edward L. Vargo ◽  
Paul E. Labadie ◽  
Kenji Matsuura

Termite colonies are founded by a pair of primary reproductives. In many species, including subterranean termites (family Rhinotermitidae), the primary king and queen can be succeeded by neotenic reproductives that are produced from workers or nymphs within the colony. It is generally believed that these neotenics inbreed within the colony, sometimes for many generations. Here, we show that primary queens of the North American subterranean termite, Reticulitermes virginicus , are replaced by numerous parthenogenetically produced female neotenics. We collected functional female neotenics from five colonies of R. virginicus in North Carolina and Texas, USA. Genetic analysis at eight microsatellite loci showed that 91–100% of the neotenics present within a colony were homozygous at all loci, indicating that they were produced through automictic parthenogenesis with terminal fusion. In contrast, workers, soldiers and alates were almost exclusively sexually produced by mating between the female neotenics and a single king. This is the second termite species shown to undergo asexual queen succession, a system first described in the Japanese species, Reticulitermes speratus . Thus, the conditional use of sexual and asexual reproduction to produce members of different castes may be widespread within Reticulitermes and possibly other subterranean termites.


2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Nirmala K. Hapukotuwa ◽  
J. Kenneth Grace

Tunneling behavior and the spatial dispersion of tunnels constructed by the subterranean termitesCoptotermes formosanusShiraki andCoptotermes gestroi(Wasmann) (formerly known asC. vastatorLight) (Blattodea: Rhinotermitidae) were examined in foraging arenas. The results indicated that these two termite species construct quantitatively different tunnel systems, supporting visual observations made in earlier studies.Coptotermes gestroiconstructed thin, highly branched tunnels, whileC. formosanustended to construct wider and less branched tunnels. Tunnels ofC. gestroishowed more spatial dispersion than those ofC. formosanus, and this species constructed a larger number of tunnels compared toC. formosanus. The presence or absence of food (wood) within the arena did not influence the tunneling pattern of either species. Although previous observations have suggested that these two termite species exhibit different tunneling behaviors; this is the first quantification of the differences. Comparative studies of the foraging behavior of subterranean termite species contribute to our understanding of their distribution and ecology and may help to improve pest management programs, particularly those based on placement of toxic baits. Moreover, differences in tunneling patterns may reflect different foraging strategies optimized for either tropical (C. gestroi) or subtropical/temperate (C. formosanus) environments.


2020 ◽  
Vol 23 (2) ◽  
pp. 181-189 ◽  
Author(s):  
Arinana . ◽  
Samuel Simamora ◽  
Fia Aulia Hanindita ◽  
Jatiningrum Metapara ◽  
Dodi Nandika

2021 ◽  
Vol 891 (1) ◽  
pp. 012011
Author(s):  
Arinana ◽  
A R E Silalahi ◽  
D Hendra ◽  
D Nandika

Abstract Bait formulation using hexaflumuron is the most used baiting techniques because it is relatively friendly to the environment. One of the potential wood species for bait formulation for termites is pine wood. The resin in pine wood can reduce termites preference. Therefore, the resin contained in pine wood needs to be reduced so that the level of termites preference for pine wood can be increased. This study aims to determine the efficacy of the bait formulation in the form of pellets from pine wood (Pinus merkusii Jungh er de Vries) which was pre-treated with presto (0.4 bar, 100 °C) for one, two, three, four, and five hours with active hexaflumuron (0.25%) against subterranean termites Coptotermes curvignathus. Pine wood chips were treated with presto for one hour, two hours, three hours, four hours, and five hours. The treated pine wood chips then made into sawdust by 40-60 mesh. Pine sawdust then added with hexaflumuron (0.25%) and formed into pellets without adding any adhesive material and then fed to the subterranean termites C. curvignathus (JIS K 1571: 2010). Solid pine wood used as a control sample. The result showed that palatability of formulation pellet bait with active hexaflumuron (14.33%) was higher than solid pine wood (6.58%). The formulation of pellet bait with 0.25% active hexaflumuron with presto pre-treatment was able to eliminate C. curvignathus termites.


2020 ◽  
Vol 66 (1) ◽  
Author(s):  
Yusuf Sudo Hadi ◽  
Muh Yusram Massijaya ◽  
Dodi Nandika ◽  
Wa Ode Muliastuty Arsyad ◽  
Imam Busyra Abdillah ◽  
...  

Abstract Smoke treatment can be used to enhance wood resistance to subterranean termite attack. In this study, kesambi (Schleichera oleosa) wood was pyrolyzed to produce charcoal. The smoke produced as a by-product of pyrolysis was used to treat sengon (Falcataria moluccana), jabon (Anthocephalus cadamba), mangium (Acacia mangium), and pine (Pinus merkusii) wood samples for 1, 2, or 3 weeks. Following the smoke treatment, the wood specimens were exposed to subterranean termites (Coptotermes curvignathus Holmgren) according to the Indonesian standard 7207-2014 in a laboratory. The color change caused by smoke treatment was observed, and chemical analysis of smoke was also done. The results showed that chemical compounds of kesambi smoke predominantly consisted of acetic acid, phenol, ketones, amines, and benzene. The color of smoked wood became darker, less yellow, and a little redder, while a longer smoking period produced a darker color which was more resistant to termite attack. Smoke treatment enhanced the resistance of wood to subterranean termite attack, and the resistance levels were not significantly different based on the duration of the smoke treatment.


Insects ◽  
2021 ◽  
Vol 12 (3) ◽  
pp. 218
Author(s):  
Lucas Carnohan ◽  
Sang-Bin Lee ◽  
Nan-Yao Su

Effective active ingredients in toxicant bait formulations must be non-deterrent to insect feeding behavior at lethal concentrations. This study evaluated feeding deterrence for Coptotermes formosanus Shiraki, C. gestroi (Wasmann), and Reticulitermes flavipes (Kollar) when provided access to cellulose impregnated with various concentrations of the insect molting hormone, 20-hydroxyecdysone (20E). Termites were exposed to 20E concentrations of 200, 500, 1000 and 2000 ppm and to noviflumuron at 5000 ppm in a 24 h choice-test, and the mass of substrate consumption from treated and untreated media pads was compared for each treatment. 20E feeding deterrence was detected at 500, 1000 and 2000 ppm for C. gestroi, and at 2000 ppm for C. formosanus. No significant differences in consumption of treated and untreated substrate was detected at any concentration for R. flavipes. Potential methods for reducing deterrence are discussed.


2013 ◽  
Vol 75 (1) ◽  
pp. 41-45
Author(s):  
D. Parks Collins

Populations of the Eastern subterranean termite, Reticulitermes flavipes, are widespread throughout most of the eastern United States. Subterranean termites have the ability to survive flooding conditions by lowering their metabolism. This lesson investigates the connection between the ability of termites to lower their metabolism to survive floods and their feeding behavior. Using an incubator, Petri dishes, and different types of mulch, termite consumption can be measured and compared. These results can be analyzed with a simple statistical test to look for significance.


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