Laboratory Evaluations of Four Entomopathogenic Nematodes for Control of Subterranean Termites (Isoptera: Rhinotermitidae)

Wang, Changlu; Powell, Janine E.; Nguyen, Khuong B.

doi:10.1603/0046-225x-31.2.381

Cited by 24 publications

(22 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Interestingly, 40 IJ termite"' were enough to cause 80% mortality of M. bellicosus workers. These data do not support those presented by Wang et al (2002) who found that, under laboratory conditions, continued exposure of termites to H. índica at 400 IJ termite"' resulted after 4 days in 58 and 73% mortality of workers of Reticulitermes flavipes and Coptotermes formosanus, respectively. Contrary to the LC50, significant differences between isolates were observed with respect to the lethal time (LT50) showing that M. bellicosus exhibits a time-dependent susceptibility to the tested nematode isolates.…”

Section: Discussioncontrasting

confidence: 94%

“…Epsky & Capinera (1988) concluded that S. carpocapsae showed potential for control of Reticulitermes tibialis (Banks) in laboratory and field trials. In recent studies, the infectivity of S. carpocapsae (Breton), S. riobrave (TX), Heterorhabditis bacteriophora (HP88), and H. índica (Coimbatore) in R. fiavipes and C. formosanus was investigated by Wang et al (2002). In Petri dish tests, they were all effective against C. formosanus at a dose of 400 nematodes termite"'.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Effectiveness of different Heterorhabditis isolates from Southern Benin for biocontrol of the subterranean termite, Macrotermes bellicosus (Isoptera: Macrotermitinae), in laboratory trials

Zadji

Baïmey

Afouda

et al. 2014

Nematol

View full text Add to dashboard Cite

The host-finding ability of 28 Heterorhabditis sonorensis isolates and one H. indica isolate from southern Benin and one H. indica isolate from India was examined in vertical migration sand bioassays against workers of a target citrus termite pest, Macrotermes bellicosus. Thereafter, nine selected isolates were subjected to further investigations on virulence. Our results revealed that both H. sonorensis and H. indica isolates exhibit a cruiser type of search strategy and were capable, to various degrees, of migrating, infecting and killing workers of M. bellicosus in sand columns up to 20 cm long over a period of 3 days. However, only three isolates of H. sonorensis caused 100% mortality to M. bellicosus at the greatest depth tested. The exotic H. indica isolate (LN2) did not show strong finding ability compared to the indigenous one. Concerning virulence, differences were observed among isolates for their ability to invade workers of M. bellicosus. After 12 h post exposure, H. sonorensis from Ze (Ze2) and H. sonorensis from Azohoue (Azohoue2) exhibited the lowest invasion time with IT50 = 3.35 and 3.67 h, respectively, and a higher penetration rate (11.4% and 10%, respectively) compared with the other isolates. In the concentration-mortality test, we found that, based on 95% confidence limits, all H. sonorensis and H. indica isolates appeared to be equal, with LC50 values ranging from nine to 16 infected juveniles (IJ) termite I. Interestingly, 40 II termite(-1) were enough to cause 80% mortality to M. bellicosus. Contrary to the LC50, the results of our studies clearly demonstrate that M. bellicosus exhibits a time-dependent susceptibility to the tested nematode isolates. So, the lowest LT50 was observed for H. sonorensis Ze2 (LT50 = 23.30 h), the highest for H. sonorensis Yokon (34.76 h). The LT50 of the indigenous H. indica isolate was estimated to 24.07 h. In addition, all selected isolates were able to reproduce in M. bellicosus workers. The highest reproduction potential in M. bellicosus was observed with H. sonorensis Yokon with 20 213 IJ/termite followed by H. sonorensis Ze2 with 19 368 IJ/termites. All tested Beninese EPN isolates were pathogenic to the citrus termite pest M. bellicosus, with H. sonorensis Ze2 being the most virulent

show abstract

Section: Discussioncontrasting

confidence: 94%

mentioning

confidence: 99%

Effectiveness of different Heterorhabditis isolates from Southern Benin for biocontrol of the subterranean termite, Macrotermes bellicosus (Isoptera: Macrotermitinae), in laboratory trials

Zadji

Baïmey

Afouda

et al. 2014

Nematol

View full text Add to dashboard Cite

show abstract

“…In a similar study undertaken by Wang et al (2002), it was shown that 77. indica (362 IJ cm-3) repelled R. flavipes up to 17 days. In our study, however, the isolate 77. in dica Ayogbel did not repel either M. bellicosus or 71 oc cidentalis at 962.5 IJ cm-3.…”

Section: Susceptibility O F Two Termite Species To Entomopathogenic Nmentioning

confidence: 83%

Comparative susceptibility of Macrotermes bellicosus and Trinervitermes occidentalis (Isoptera: Termitidae) to entomopathogenic nematodes from Benin

Zadji

Baïmey

Afouda

et al. 2014

Nematol

View full text Add to dashboard Cite

The differential susceptibility of two termite species, Macrotermes bellicosus and Trinervitermes occidentalis, to four entomopathogenic nematodes (EPN) isolates from Benin, Heterorhabditis indica Ayogbel, H. sonorensis Azohoue2, H. sonorensis Ze3 and Steinemema sp. Bembereke, was bio-assayed in laboratory tests. Soldiers of both M. bellicosus and T. occidentalis were similarly susceptible, but more susceptible than workers. Forty-eight h post-exposure of workers of M. bellicosus to 50 infective juveniles (IJ) of H. indica Ayogbel, H. sonorensis Azohoue2, H. sonorensis Ze3 and Steinemema sp. Bembereke for each termite resulted in 96.3, 87.9, 94.5 and 75.0% mortality, respectively, whereas under the same conditions, these EPN isolates caused 91.7, 98.5, 75.0 and 95.0% mortality of workers of T. occidentalis. Soldiers of M. bellicosus were the most invaded with 13.2-18.6% of applied IJ. Based on concentration-mortality data, the isolates H. indica Ayogbel and H. sonorensis Ze3 were more virulent to M. bellicosus with LC50values of 11 IJ, whereas Steinemema sp. Bembereke was the most virulent to T. occidentalis with LC50 values of 12 IJ. However, none of these isolates showed the highest penetration rate. All tested EPN isolates can recycle in both M. bellicosus and T. occidentalis. Our EPN repellent-dispersing assay did not show evidence that M. bellicosus and T. occidentalis would be able to detect the presence of IJ of any EPN isolates/species. However, it was observed that nematode dispersal occurred by infected termites or phoresis.

show abstract

“…Various nematode species have been marketed as inundative biological control agents and have been used successfully in the control of insect pests (Georgis and Gaugler, 1991;Georgis, 1992;Kaya and Gaugler, 1993). To date, these technologies have had some success in protecting crops and trees against termites but limited success in structural termite pest control (Mauldin and Beal, 1989;Wang et al, 2002b;Gouge, 2005). However, consideration of the social behavioral adaptations of termites to resist nematode infection might facilitate more effective biological control strategies.…”

Section: Discussionmentioning

confidence: 99%

“…There has been considerable interest and research on the use of EPNS to control termites (Mauldin and Beal, 1989;Wu et al, 1991;Georgis, 1992;Wang et al, 2002b;Gouge, 2005, and references therein), and a new genus and species of EPN Neosteinernema longicurvicauda Nguyen and Smart (1994) was described from the termite Reticulitermes flavipes (Koller). Termite workers and soldiers might encounter EPNS in the wood and soil when foraging, and dispersing termite reproductives could encounter EPNS after swarming, when alates move above ground to locate new nesting sites or when de-winged reproductives burrow into soil to establish incipient colonies (Rouland et al, 1996;Benmoussa-Haichour et al, 1998).…”

Section: Introductionmentioning

confidence: 99%

Susceptibility and behavioral responses of the dampwood termite Zootermopsis angusticollis to the entomopathogenic nematode Steinernema carpocapsae

Wilson-Rich

Stuart

Rosengaus

2007

Journal of Invertebrate Pathology

View full text Add to dashboard Cite

Laboratory Evaluations of Four Entomopathogenic Nematodes for Control of Subterranean Termites (Isoptera: Rhinotermitidae)

Cited by 24 publications

References 14 publications

Effectiveness of different Heterorhabditis isolates from Southern Benin for biocontrol of the subterranean termite, Macrotermes bellicosus (Isoptera: Macrotermitinae), in laboratory trials

Effectiveness of different Heterorhabditis isolates from Southern Benin for biocontrol of the subterranean termite, Macrotermes bellicosus (Isoptera: Macrotermitinae), in laboratory trials

Comparative susceptibility of Macrotermes bellicosus and Trinervitermes occidentalis (Isoptera: Termitidae) to entomopathogenic nematodes from Benin

Susceptibility and behavioral responses of the dampwood termite Zootermopsis angusticollis to the entomopathogenic nematode Steinernema carpocapsae

Contact Info

Product

Resources

About