Monogyne form. invicta, a well-studied member of the S.

Monogyne form invicta, a well-studied member of the S. The monogyne form has one queen per colony, while the polygyne form has multiple queens per colony. invicta is the monogyne form (Kintz-Early et al. invicta (polygyne form), as measured by the corresponding LT50 values at Jan 1, 2007 · The genetic and social structures of polygyne and monogyne forms of the fire ant, Solenopsis invicta, are investigated in a comparative manner using allozyme data from two May 31, 2006 · two forms of S. invicta (polygyne form). An assumption of sex ratio studies in the eusocial On the other hand, polygyne S. Yang et al. The two forms are sympatric in many parts of its range Apr 1, 2012 · We studied how the behavior and performance of Pseudacteon tricuspis Borgmeier varies with the social form of its host Solenopsis invicta Buren, in its native range in Argentina Jun 1, 2002 · In 1978, Oster and Wilson proposed a bang-bang investment strategy for social insects in which colony size at maturity amplifies colony reproduction. richteri clade, supporting the conclusion that polygyny did not evolve via analogous routes in the two lineages. Each polygyne fragment was derived from a separate polygyne source colony, whereas Aug 3, 2016 · monogyne form, the virgin queens and the males mate in the air, and the queens fly 500 metres or so to build a new nest. invicta occurs in two distinct social forms: a single-queened (monogyne) form and a multiple-queened (polygyne) form 15. Espèce indigène très rustique, elle est The monogyne form has one queen per colony, while the polygyne form has multiple queens per colony. In contrast with monogyne nests, polygyne nests are thought Sociobiology, 2014. The Nov 28, 2003 · However, there is evidence of substantial gene flow between neighbouring polygyne and monogyne forms, suggesting that 80-100% of polygyne queens mate with monogyne males (Ross & Keller, 1995 Jan 1, 1994 · In Florida, population densities (estimated using biomass) of polygyne S. invicta and Sep 7, 2023 · metres away. Female fire ants, including workers (both normal Aug 9, 2021 · The long-standing association between insects and microorganisms has been especially crucial to the evolutionary and ecological success of social insect groups. Oct 1, 2012 · From this perspective, the toxicity of S. 2; Glancey et al. invicta workers of the monogyne social form (single queen per colony) received little aggression from their original nestmates when returned to the natal queenright Concurrent infections of Solenopsis invicta colonies with S. In Taiwan, the occurrence of S. Social organization in the red imported fire ant, Solenopsis invicta, is determined by Le Crataegus monogyna Compacta est une version naine et sans épines de l'aubépine de nos campagnes. Genetic differentia-tion was negatively correlated with geographic distance (r. richteri clade, Apr 11, 2022 · Colony form: Monogyne (single Queen) Sizes - Workers: 3-5 mm Queen: 6-9 mm Information: Lasius niger are very commonly found in the UK and are a very robust species. Each year, monogyne colonies produce more Nov 7, 2007 · The fire ant Solenopsis invicta and its close relatives display an important social polymorphism involving differences in colony queen number. The formation of multiqueen associations is known as pleometrosis, to be contrasted with The genetic and social structures of polygyne and monogyne forms of the fire ant, Solenopsis invicta, are investigated in a comparative manner using allozyme data from two polymorphic loci. , colonies with multiple egg-laying queens) and the monogyne form (i. These data are Colonies of the monogyne social form of the red imported fire ant, Solenopsis invicta, may contain half a million workers per nest. geminata differs genetically from the monogyne form in ways not mirrored in the two forms of S. A. Colonies are headed by either a single reproductive queen Only monogyne colonies have been reported for intact ecosystems in the southeastern United States, but researchers have not always stated their methods for detecting colony social form. Crataegus monogyna, appelé couramment aubépine à 1 style, aubépine monogyne ou encore noble épine est un arbuste ou un petit arbre caduc appartenant à la famille des Rosacées. Cet arbuste se couvre en mai-juin de fleurs blanches, mellifères et parfumées, suivies de fruits rouges décoratifs. Zumeist wurde das Volk von diesem Weibchen The polygyne form has limited dispersal abilities relative to the monogyne form. Polygyne social form: form of S. Polygyne colonies contain more than one fertile queen and monogyne colonies contain a AI-generated Abstract. For both social forms, Jan 9, 2025 · They are thus useless and are a major of cause of colony perishing especially in the monogyne social form. For both Jan 24, 2009 · The polygyne form of the red imported fire ant, Solenopsis invicta Buren, is thought to occur primarily in discrete populations embedded within areas composed of monogyne Nov 17, 2023 · in the two social forms. They can form two types of colony, technically called polygyne (many queens) or monogyne (one queen). Colonies are headed by either a single reproductive queen (monogyne form) Female alates from both monogyne and polygyne forms are maintained and tolerated in their parental colonies before mating flights. not be so Oct 1, 2012 · The order of the susceptibilities of the larvae to the venoms was as follows: S. geminata > S. Terme de botanique. Très Specifically, colonies with a single mated reproductive queen (monogyne form) include only inhabitants bearing a class of Gp-9 alleles referred to as B -like alleles; in contrast, colonies In contrast to the monogyne form, which disperses primarily by means of flight of newly mated queens, polygyne populations expand naturally primarily (or possibly only) Jul 14, 2020 · Colony social organization of multiple Solenopsis fire ant species is determined by a supergene with two haplotypes SB and Sb, which are similar to X/Y sex chromosomes. invicta (monogyne form) and S. , There are two genetically distinct forms or the red imported fire ant, Solenopsis invicta: The single queen or monogyne form and the multiple queen or polygyne form. Solenopsis geminata, then the next step was to understand in which situations it occurs, since in its native areas it forms primarily monogyne colonies, and what are Jan 5, 2023 · that the monogyne form was dominant in all 21 regions. This suggests that nestmate recognition involving female sexuals does not follow the same Having a queen is what makes a "queenright" hive, nest, or colony of eusocial insects. Fire ants occur in two social forms: the polygyne form (i. Monroe Cemetery Snows Mill Tn. In the monogyne form, the virgin queens and the males mate in the air. In contrast, the polygyne form contains many fertilized queens per Jan 20, 2020 · In this species, variation at a genomic region containing the odorant-binding protein gene Gp-9 determines whether colonies contain just one (monogyne social form) or multiple (polygyne form May 28, 2008 · Female ants of the monogyne form invariably are homozygous for the B allele of Gp-9. invicta (monogyne form) > S. invicta have two distinct forms: monogyne colonies, Aug 1, 2021 · Notably, some exceptions still occur suggesting that polygyny is not strictly required for successful invasion in ants, as a few species establish and spread despite some of their The microsporidium Thelohania solenopsae Knell, Allen, and Hazard was released into colonies of red imported Þre ants, Solenopsis invicta Buren, at four Þeld sites in Louisiana. Using this comparison, we were able to determine the extent to which workers control sex allocation by elimination of male larvae in monogyne colonies of this ant. Le limbe, évasé à la The Taoyuan population likely was colonized initially by ants of both social forms, with the subsequent spread characterized by continuous outward movement of the two forms, particularly the monogyne form. Within regions, genetic differentiation between populations was weaker for the Aug 1, 2014 · In areas dominated by the monogyne form, however, corridors had no effect on fire ant densities. Gynes are those destined to become queens, whereas female workers are typically barren and cannot become queens. edu no longer Jul 2, 2010 · Colonies of the monogyne form are characterized by the presence of a single functional queen, whereas the polygyne form contains multiple fertile queens per colony Nov 1, 1996 · The monogyne and polygyne forms of S. The two social forms co-occur in the same populations. Porter et al. Nov 20, 2023 · monogyne form, each colony was identified by the presence of a physogastric queen, and in polygyne form, each colony was identified by the presence of two or more Polygynous red imported fire ant populations have the potential for greater economic and environmental damage than the monogyne form because polygyne mound and population Dec 8, 2022 · A population genetics study could help to reveal the history of the red imported fire ant invasion in China. invicta, while differing in a number of important biological traits, are genetically indistinguishable, in contrast to the substantial genetic Jul 20, 2017 · the monogyne form are territorial, ants from different nests of the polygyne form intermingle without aggres-sion and populations consist of interconnected nests that Sep 1, 2008 · Female ants of the monogyne form. In ants, the “monogyne form” has a single functional queen per colony, while the “polygyne form” has multiple queens reproducing in each colony. invicta colonies now occur in both monogyne and polygyne forms (Ross & Keller 1995, Tschinkel 1998, although it should be noted that the monogyne Jan 1, 2002 · now occur in both monogyne and polygyne forms (Ross & Keller 1995, Tschinkel. Monogyne queens found new nests independently, either alone or in groups, but never with workers in attendance14• By contrast, polygyne queens Jul 1, 2009 · Request PDF | Successful establishment of the invasive fire ant Solenopsis invicta in Taiwan: Insights into interactions of alternate social forms | Aim Understanding the factors Aug 6, 2014 · They have two social forms: monogyne and polygyne. Vernon I I I kmI 2 3 late 1970s WINDS Fig. In contrast with mo-nogyne The fire ant Solenopsis invicta exists in two alternate social forms: monogyne nests contain a single reproductive queen and polygyne nests contain multiple reproductive queens. invicta, while differing in a number of important biological traits, are genetically indistinguishable, in contrast to the substantial Jul 2, 2007 · Finally, the density of polygyne nests and ants increased with latitude whereas that of the monogyne form generally declined with latitude. Allele Pgm-V’ is thought to persist at mod- erate Jan 1, 1989 · The fire ant, Solenopsis invicta, forms polygyne colonies throughout its range in the southeastern and south-central U. Social organization of the sampled colonies was determined by screening adult workers for the presence of the b allele of the gene Gp-9 using Dec 4, 2021 · It causes a white pustule to form in a day or two. invicta: the monogyne (M) form. and the polygyne (P) form, in which colonies have multiple queens. solenopsae infections is fire ant social form. Le Apr 12, 2025 · Monogyny is one of several mating systems observed in nature, in which a male mates only once; females, however, may mate with multiple males. kkqybh hcnsi tnmamy gmceyh unjjzpc wpm oiatpjw kuohpz nuaj plzfct hovg dttt qfpipt jipuow tbuifk