Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Field Efficacy of Two Commercial Products Against Solenopsis Invicta (Hymenoptera: Formicidae), 2014*

Field Efficacy of Two Commercial Products Against Solenopsis Invicta (Hymenoptera: Formicidae),... Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv200 (J2) URBAN, INDUSTRIAL, AND STRUCTURAL PESTS Field Efficacy of Two Commercial Products Against Solenopsis Invicta (Hymenoptera: Formicidae), 2014* 1,2 1 1 Lekhnath Kafle, Nancy Huei-Ying Lee, Chi-Wei Chen, 3 3 3 Wen-Jer Wu, Rong-Nan Huang, and Cheng-Jen Shih Chung Hsi Chemical Plant, Hsinchu City, Taiwan (kafle@chunghsi.com.tw; nancylee@chunghsi.com.tw; gustav@ 2 3 chunghsi.com.tw), Corresponding author, e-mail: kafle@chunghsi.com.tw, and Department of Entomology, National Taiwan University, Taipei 106, Taiwan (wuwj@ntu.edu.tw; rongent@ntu.edu.tw; shihcj@ntu.edu.tw) Subject Editor: Shripat Kamble red imported fire ant | Solenopsis invicta cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate; 2-[1-methyl-2-(4- phenoxyphenoxy)ethoxy]pyridine In recent years, Red Imported Fire Ants (RIFA), Solenopsis invicta Mounds were recorded as active when at least 20 RIFA workers Buren, is invading around more urban areas of northern Taiwan exit the mound when probed by a steel rod (4–6 mm diameter) for than ever. Numbers of RIFA colonies are found in East District of 1 min. The mounds were monitored at 1, 3, 7, 14, 21, 28, 37, 42 Hsinchu City, Taiwan. Two fire ant killing agents are formulated by days after treatment (DAT). On the day of products application, Chung Hsi Chemical Plant, Hsinchu City, Taiwan and National field temperature, RH and wind speed were as 28 C, 66% and Taiwan University, Taipei, Taiwan: the Cyper bait (a fast acting tox- 13 mph, respectively. icant-based (cypermethrin 0.12%) fire ant killing agent and Erasant The data showed that Cyper bait killed all the mounds within 14 bait (also called as T-bait) (a slow acting IGR-based (pyriproxyfen DAT. Cyper bait started killing colonies from 3 DAT, indicating 0.5%) fire ant bait). A field study to evaluate the efficacy of Cyper Cyper bait was fast acting product against fire ants. Similarly, the re- bait and Erasant against RIFA field colonies was conducted in sults from field study showed that Erasant killed all the colonies Hsinchu City, Taiwan. The study started on 18 April and ended on within 42 DAT. Erasant started killing mounds from 21 DAT indi- 30 May 2014. cating that Erasant was slow acting product against fire ants. The Each test plot was 0.5 ha in area covered with grasses LT value clearly explained that Cyper bait was 3.7 times faster and shrubs and located at Pudding Rd., East District, Hsinchu than the Erasant. All the RIFA mounds without any product applied City, Taiwan. The RIFA mounds were distributed around the pe- (Check mounds) were observed as active during the study (Table 1). riphery of the plot. Each plot was surveyed one day before the The faster killing speed of Cyper bait observed during this study test to confirm the active mounds. A total 12 mounds were used in was obvious attributed to the AI of Cyper bait, cypermethrin, a toxi- a CRD study with 4 replicates of the 3 treatments, comparing the cant that acts on the central and peripheral nervous system in very two insecticide treatments to the non-treated check treatment. low doses. Similarly, the pyriproxyfen is an insect growth regulator Four mounds were selected randomly for each treatment of that mimics the action of juvenile hormone. Pyriproxyfen offers a Cyper bait and Erasant; 60 g of each product was spread on broad spectrum and long-residual activities, however, will be slow the ground within 50 cm from the center of mound. The remain- to exhibit effects and have no knockdown activity. ing four mounds were maintained as the check without any In conclusion, both products successfully controlled the RIFA treatments. field colonies as with different speeds. * The research work was supported by Chung Hsi Chemical Plant, Hsinchu City, Taiwan. The terms of this arrangement have been reviewed and approved by the Chung Hsi Chemical Plant, Hsinchu City, Taiwan in accordance with its policy on objectivity in research. V C The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America. 1 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com Arthropod Management Tests, 2015, Vol. 40, No. 1 Table 1 Product/formulation Rate amt/mound Cumulative inactive fire ant field mounds (%) LT 0 DAT 1 DAT 3 DAT 7 DAT 14 DAT 21 DAT 28 DAT 35 DAT 42 DAT Erasant 0.5G 60 g 0 0 0 0 0 25 75 75 100 25.3 days Cyper bait 0.12G 60 g 0 0 25 50 100 100 100 100 100 6.8 days Check – 0 0 0 00000 0 – DAT, days after treatment. LT , lethal time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

Field Efficacy of Two Commercial Products Against Solenopsis Invicta (Hymenoptera: Formicidae), 2014*

Download PDF
2 pages

Loading next page...
 
/lp/oxford-university-press/field-efficacy-of-two-commercial-products-against-solenopsis-invicta-168JdRk4E0

References (0)

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Oxford University Press
Copyright
The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America.
eISSN
2155-9856
DOI
10.1093/amt/tsv200
Publisher site
See Article on Publisher Site

Abstract

Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv200 (J2) URBAN, INDUSTRIAL, AND STRUCTURAL PESTS Field Efficacy of Two Commercial Products Against Solenopsis Invicta (Hymenoptera: Formicidae), 2014* 1,2 1 1 Lekhnath Kafle, Nancy Huei-Ying Lee, Chi-Wei Chen, 3 3 3 Wen-Jer Wu, Rong-Nan Huang, and Cheng-Jen Shih Chung Hsi Chemical Plant, Hsinchu City, Taiwan (kafle@chunghsi.com.tw; nancylee@chunghsi.com.tw; gustav@ 2 3 chunghsi.com.tw), Corresponding author, e-mail: kafle@chunghsi.com.tw, and Department of Entomology, National Taiwan University, Taipei 106, Taiwan (wuwj@ntu.edu.tw; rongent@ntu.edu.tw; shihcj@ntu.edu.tw) Subject Editor: Shripat Kamble red imported fire ant | Solenopsis invicta cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate; 2-[1-methyl-2-(4- phenoxyphenoxy)ethoxy]pyridine In recent years, Red Imported Fire Ants (RIFA), Solenopsis invicta Mounds were recorded as active when at least 20 RIFA workers Buren, is invading around more urban areas of northern Taiwan exit the mound when probed by a steel rod (4–6 mm diameter) for than ever. Numbers of RIFA colonies are found in East District of 1 min. The mounds were monitored at 1, 3, 7, 14, 21, 28, 37, 42 Hsinchu City, Taiwan. Two fire ant killing agents are formulated by days after treatment (DAT). On the day of products application, Chung Hsi Chemical Plant, Hsinchu City, Taiwan and National field temperature, RH and wind speed were as 28 C, 66% and Taiwan University, Taipei, Taiwan: the Cyper bait (a fast acting tox- 13 mph, respectively. icant-based (cypermethrin 0.12%) fire ant killing agent and Erasant The data showed that Cyper bait killed all the mounds within 14 bait (also called as T-bait) (a slow acting IGR-based (pyriproxyfen DAT. Cyper bait started killing colonies from 3 DAT, indicating 0.5%) fire ant bait). A field study to evaluate the efficacy of Cyper Cyper bait was fast acting product against fire ants. Similarly, the re- bait and Erasant against RIFA field colonies was conducted in sults from field study showed that Erasant killed all the colonies Hsinchu City, Taiwan. The study started on 18 April and ended on within 42 DAT. Erasant started killing mounds from 21 DAT indi- 30 May 2014. cating that Erasant was slow acting product against fire ants. The Each test plot was 0.5 ha in area covered with grasses LT value clearly explained that Cyper bait was 3.7 times faster and shrubs and located at Pudding Rd., East District, Hsinchu than the Erasant. All the RIFA mounds without any product applied City, Taiwan. The RIFA mounds were distributed around the pe- (Check mounds) were observed as active during the study (Table 1). riphery of the plot. Each plot was surveyed one day before the The faster killing speed of Cyper bait observed during this study test to confirm the active mounds. A total 12 mounds were used in was obvious attributed to the AI of Cyper bait, cypermethrin, a toxi- a CRD study with 4 replicates of the 3 treatments, comparing the cant that acts on the central and peripheral nervous system in very two insecticide treatments to the non-treated check treatment. low doses. Similarly, the pyriproxyfen is an insect growth regulator Four mounds were selected randomly for each treatment of that mimics the action of juvenile hormone. Pyriproxyfen offers a Cyper bait and Erasant; 60 g of each product was spread on broad spectrum and long-residual activities, however, will be slow the ground within 50 cm from the center of mound. The remain- to exhibit effects and have no knockdown activity. ing four mounds were maintained as the check without any In conclusion, both products successfully controlled the RIFA treatments. field colonies as with different speeds. * The research work was supported by Chung Hsi Chemical Plant, Hsinchu City, Taiwan. The terms of this arrangement have been reviewed and approved by the Chung Hsi Chemical Plant, Hsinchu City, Taiwan in accordance with its policy on objectivity in research. V C The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America. 1 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com Arthropod Management Tests, 2015, Vol. 40, No. 1 Table 1 Product/formulation Rate amt/mound Cumulative inactive fire ant field mounds (%) LT 0 DAT 1 DAT 3 DAT 7 DAT 14 DAT 21 DAT 28 DAT 35 DAT 42 DAT Erasant 0.5G 60 g 0 0 0 0 0 25 75 75 100 25.3 days Cyper bait 0.12G 60 g 0 0 25 50 100 100 100 100 100 6.8 days Check – 0 0 0 00000 0 – DAT, days after treatment. LT , lethal time.

Journal

Arthropod Management Tests – Oxford University Press

Published: Dec 31, 2015

There are no references for this article.