Resource allocation, brood production and cannibalism during colony founding in the fire ant,Solenopsis invicta

1993 ◽  
Vol 33 (4) ◽  
pp. 209-223 ◽  
Author(s):  
Walter R. Tschinkel
Keyword(s):  
Resource Allocation ◽  
Solenopsis Invicta ◽  
Colony Founding ◽  
Fire Ant ◽  
Brood Production

scholarly journals Sociogenomics of Cooperation and Conflict during Colony Founding in the Fire Ant Solenopsis invicta

PLoS Genetics ◽  
2013 ◽  
Vol 9 (8) ◽  
pp. e1003633 ◽  
Author(s):  
Fabio Manfredini ◽  
Oksana Riba-Grognuz ◽  
Yannick Wurm ◽  
Laurent Keller ◽  
DeWayne Shoemaker ◽  
...  
Keyword(s):  
Solenopsis Invicta ◽  
Colony Founding ◽  
Fire Ant

scholarly journals Colony founding by pleometrosis in the fire ant, Solenopsis invicta

1983 ◽  
Vol 12 (2) ◽  
pp. 103-113 ◽  
Author(s):  
Walter R. Tschinkel ◽  
Dennis F. Howard
Keyword(s):  
Solenopsis Invicta ◽  
Colony Founding ◽  
Fire Ant

scholarly journals Group defense by colony-founding queens in the fire ant Solenopsis invicta

1998 ◽  
Vol 9 (3) ◽  
pp. 301-308 ◽  
Author(s):  
Christopher A. Jerome ◽  
Donald A. McInnes ◽  
Eldridge S. Adams
Keyword(s):  
Solenopsis Invicta ◽  
Colony Founding ◽  
Fire Ant ◽  
Group Defense

scholarly journals Hierarchical Analysis of Genetic Structure in Native Fire Ant Populations: Results From Three Classes of Molecular Markers

Genetics ◽  
1997 ◽  
Vol 147 (2) ◽  
pp. 643-655 ◽  
Author(s):  
Kenneth G Ross ◽  
Michael J B Krieger ◽  
D DeWayne Shoemaker ◽  
Edward L Vargo ◽  
Laurent Keller
Keyword(s):  
Gene Flow ◽  
Genetic Structure ◽  
Solenopsis Invicta ◽  
Large Scale ◽  
Fire Ant ◽  
Nuclear Markers ◽  
Social Forms ◽  
Native Populations ◽  
Nest Level ◽  
Nuclear Differentiation

We describe genetic structure at various scales in native populations of the fire ant Solenopsis invicta using two classes of nuclear markers, allozymes and microsatellites, and markers of the mitochondrial genome. Strong structure was found at the nest level in both the monogyne (single queen) and polygyne (multiple queen) social forms using allozymes. Weak but significant microgeographic structure was detected above the nest level in polygyne populations but not in monogyne populations using both classes of nuclear markers. Pronounced mitochondrial DNA (mtDNA) differentiation was evident also at this level in the polygyne form only. These microgeographic patterns are expected because polygyny in ants is associated with restricted local gene flow due mainly to limited vagility of queens. Weak but significant nuclear differentiation was detected between sympatric social forms, and strong mtDNA differentiation also was found at this level. Thus, queens of each form seem unable to establish themselves in nests of the alternate type, and some degree of assortative mating by form may exist as well. Strong differentiation was found between the two study regions usinga all three sets of markers. Phylogeographic analyses of the mtDNA suggest that recent limitations on gene flow rather than longstanding barriers to dispersal are responsible for this large-scale structure.

scholarly journals Acute toxicity of typical ant control agents to the red imported fire ant, Solenopsis invicta (Hymenoptera: Formicidae)

2021 ◽  
Vol 56 (2) ◽  
pp. 217-224
Author(s):  
Hironori Sakamoto ◽  
Koichi Goka
Keyword(s):  
Acute Toxicity ◽  
Chemical Control ◽  
Solenopsis Invicta ◽  
Fire Ant ◽  
Red Imported Fire Ant ◽  
The Pacific ◽  
New Type ◽  
Ant Control ◽  
Abnormal Behaviors ◽  
Imported Fire Ant

AbstractThe red imported fire ant Solenopsis invicta Buren (Hymenoptera: Formicidae), is a serious invasive alien ant around the world and has expanded its invasive range to the Pacific Rim since the early 2000s. It was first reported in Japan in 2017, and its entry through cargo has been reported numerous times in many ports. Colonies have been found in Tokyo Port since 2019, and now it is an urgent issue to prevent further invasion and establishment. Chemical control is the best tested method of insect control, but we have little information on the efficacy of insecticides against S. invicta in Japan. Here, we conducted acute toxicity assays of six quick-acting pyrethroids (transfluthrin, prallethrin, phenothrin, permethrin, metofluthrin, and pyrethrin) for killing adults and five new-type insecticides (fipronil, thiamethoxam, indoxacarb, imidacloprid, and hydramethylnon) for controlling colonies with toxic baits. We found that the LD50 from six pyrethroids were comparable to each other. The ED50 causing abnormal behaviors were smaller than LD50, but some ants recovered from paralysis within 12 h. Fipronil showed the lowest LD50 suggesting this chemical is the most promising agent for controlling S. invicta. Our results promise to develop a method for the chemical control of S. invicta.

scholarly journals Comparison of gene expression in the red imported fire ant (Solenopsis invicta) under different temperature conditions

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mohammad Vatanparast ◽  
Robert T. Puckett ◽  
Deuk-Soo Choi ◽  
Youngjin Park
Keyword(s):  
Gene Expression ◽  
Gene Ontology ◽  
High Temperature ◽  
Temperature Stress ◽  
Solenopsis Invicta ◽  
Expression Profiles ◽  
Fire Ant ◽  
Molecular Response ◽  
Red Imported Fire Ant ◽  
Imported Fire Ant

AbstractThe red imported fire ant (RIFA), Solenopsis invicta Buren is native to South America and is known as a global problematic invasive species. This study focused on the molecular response of RIFA by comparing gene expression profiles after exposing ants to low (10 °C) and high (40 °C) temperature stress and comparing them to untreated controls (30 °C). A total of 99,085 unigenes (the clustered non-redundant transcripts that are filtered from the longest assembled contigs) were obtained, of which 19,154 were annotated with gene descriptions, gene ontology terms, and metabolic pathways. 86 gene ontology (GO) functional sub-groups and 23 EggNOG terms resulted. Differentially expressed genes (DEGs) with log2FC ≥ 10 were screened and were compared at different temperatures. We found 203, 48, and 66 specific DEGs co-regulated at 10, 20, and 40 °C. Comparing transcriptome profiles for differential gene expression resulted in various DE genes, including cytochrome P450, NADH dehydrogenase subunit 1, cuticle protein and heat shock protein (HSP), which have previously been reported to be involved in cold and high temperature resistance. GO analysis revealed that antioxidant activity is up-regulated under high temperature stress. We verified the RNA-seq data by qPCR on 20 up- and down-regulated DEGs. These findings provide a basis for future understanding of the adaptation mechanisms of RIFA and the molecular mechanisms underlying the response to low and high temperatures.

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