Insecticide transfer efficiency and lethal load in Argentine ants

Hooper‐Bùi, Linda M.; Kwok, Eric S. C.; Buchholz, Bruce A.; Rust, Michael Κ.; Eastmond, David A.; Vogel, John S.

doi:10.1016/j.nimb.2015.06.031

Cited by 8 publications

(6 citation statements)

References 33 publications

(31 reference statements)

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“…Lack of direct exposure combined with reduced susceptibility and extreme polygyny may allow the queens to survive insecticide treatments and lead to quick regeneration of worker ants. Previous studies have suggested that the resurgence of polygynous ant colonies treated with baits may be explained by queen survival resulting from sublethal doses due to a slowing of trophallaxis throughout the colony (Hooper-Bui et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Regional and caste‐specific variation in insecticide susceptibility in odorous house ants, Tapinoma sessile (Hymenoptera, Formicidae)

Brill

Buczkowski

2022

J Applied Entomology

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Ants consistently rank as the number one household pest, and many species are pests in agricultural and natural habitats. Despite economic and ecological impact of pest ants, effective management still faces many challenges and control failures with liquid spray insecticides are common. The odorous house ant (Tapinoma sessile Say) is an adaptive and widespread pest ant found in North America. This study examined regional variation in T. sessile insecticide susceptibility to three classes of insecticides commonly used in ant control. T. sessile showed significant regional variation in insecticide susceptibility on a relatively small geographic scale. A comparison of colonies collected in urban vs. natural areas showed no significant difference in susceptibility in tests with lambda‐cyhalothrin and fipronil. In tests with dinotefuran, urban colonies were significantly more tolerant relative to natural colonies. These results suggest that habitat type and previous insecticide exposure do not reliably predict susceptibility levels in individual populations. Queens were significantly more tolerant relative to their worker counterparts across all insecticides. Higher insecticide tolerance in queens may explain why T. sessile is such a persistent pest in urban environments. The results provide a foundation for the development of more effective and efficient control methods for T. sessile and warrant further investigation of spatial and potentially temporal variability in insecticide susceptibility in ants.

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Section: Discussionmentioning

confidence: 99%

Regional and caste‐specific variation in insecticide susceptibility in odorous house ants, Tapinoma sessile (Hymenoptera, Formicidae)

Brill

Buczkowski

2022

J Applied Entomology

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“…Some methods, such as biocontrol agents or application of toxic bait products containing slow‐ or fast‐acting insecticides have been widely used or shown potential for the control of S. invicta (Williams et al ., ; Oi & Oi, ; Kafle et al ., ; McNaught et al ., ; Wylie et al ., ). These methods largely depend on the effective foraging and ingestion of toxic baits followed by horizontal transfer of active ingredients among ant nestmates through trophallaxis (Oi & Oi, ; Hooper‐Bùi et al ., ).…”

Section: Introductionmentioning

confidence: 97%

How do groups of red imported fire ants (Hymenoptera: Formicidae) feed on a droplet of sugar water?

et al. 2017

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Many previous studies have focused on the foraging behaviors and strategies of the red imported fire ants, Solenopsis invicta Buren on solid food or granular bait; little attention has been paid to how liquid sugar is fed upon. In the present study, behavioral responses of S. invicta to 25% sucrose water droplets were observed. Five foraging patterns were identified in S. invicta colonies under laboratory conditions: (i) no feeding, no sucrose water feeding was observed; (ii) surround feeding, ants surrounded and fed along the edge of the sucrose droplet; (iii) stacked feeding, ants stacked and fed along the edge of the sucrose droplet; (iv) droplet-break feeding, ants broke the liquid droplet and sucked sucrose water that spread on surface of the substance or soil particles previously transported by ants; and (v) cover feeding, whole surface of the sucrose droplet was covered by layers of feeding ants. This is the first time cover feeding in S. invicta has been reported, which obviously requires more ants compared to the other patterns. In addition, individual ants were tracked in videos under laboratory conditions, and behavioral repertoires that led to stacking, covering and droplet-breaking were identified and described. The field investigation showed that surround feeding was most frequently performed by S. invicta foragers; however, cover feeding was not observed under field conditions during this study. Both laboratory and field studies showed colony-level variations in sugar-water feeding.

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“…Invasive alien species have caused serious negative effects on agriculture, human health, native ecosystems, and biodiversity 1–3 . Among them, the red fire ant, Solenopsis invicta Buren (Hymenopter: Formicidae), originating from South America, is the most serious invasive ant species 4 .…”

Section: Introductionmentioning

confidence: 99%

Integrated mass spectrometry imaging and metabolomics reveals sublethal effects of indoxacarb on the red fire ant Solenopsis invicta

Yin

et al. 2023

Pest Management Science

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BACKGROUND Indoxacarb, representing an efficient insecticide, is normally made into a bait to spread the poison among red fire ants so that it can be widely applied in the prevention and control of Solenopsis invicta. However, the potential toxicity mechanism of S. invicta in response to indoxacarb remains to be explored. In this study, we integrated mass spectrometry imaging (MSI) and untargeted metabolomics methods to reveal disturbed metabolic expression levels and spatial distribution within the whole‐body tissue of S. invicta treated with indoxacarb. RESULTS Metabolomics results showed a significantly altered level of metabolites after indoxacarb treatment, such as carbohydrates, amino acids and pyrimidine and derivatives. Additionally, the spatial distribution and regulation of several crucial metabolites resulting from the metabolic pathway and lipids can be visualized using label‐free MSI methods. Specifically, xylitol, aspartate, and uracil were distributed throughout the whole body of S. invicta, while sucrose‐6′‐phosphate and glycerol were mainly distributed in the abdomen of S. invicta, and thymine was distributed in the head and chest of S. invicta. Taken together, the integrated MSI and metabolomics results indicated that the toxicity mechanism of indoxacarb in S. invicta is closely associated with the disturbance in several key metabolic pathways, such as pyrimidine metabolism, aspartate metabolism, pentose and glucuronate interconversions, and inhibited energy synthesis. CONCLUSION Collectively, these findings provide a new perspective for the understanding of toxicity assessment between targeted organisms S. invicta and pesticides. © 2023 Society of Chemical Industry.

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Insecticide transfer efficiency and lethal load in Argentine ants

Cited by 8 publications

References 33 publications

Regional and caste‐specific variation in insecticide susceptibility in odorous house ants, Tapinoma sessile (Hymenoptera, Formicidae)

Regional and caste‐specific variation in insecticide susceptibility in odorous house ants, Tapinoma sessile (Hymenoptera, Formicidae)

How do groups of red imported fire ants (Hymenoptera: Formicidae) feed on a droplet of sugar water?

Integrated mass spectrometry imaging and metabolomics reveals sublethal effects of indoxacarb on the red fire ant Solenopsis invicta

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