F. Ito

Publications126
h-index23
Citations1,986
Highly Influential Citations123
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Colony dispersal and the evolution of queen morphology in social Hymenoptera.
TLDR
This work focuses on the characteristics of fission in the phylogenetically primitive ants Ponerinae in which both ergatoid queens and gamergates occur. Expand
Widespread occurrence of the microorganism Wolbachia in ants
TLDR
A first PCR–based Wolbachia screening in ants is reported on, finding that out of 50 Indo–Australian species, 50% screened positive for an A–group strain, and one of these species also harboured a B-group strain in a double infection. Expand
Ant Species Diversity in the Bogor Botanic Garden , West Java , Indonesia , with Descriptions of Two New Species of the Genus Leptanilla ( Hymenoptera , Formicidae )
Ant fauna was investigated in the Bogor Botanic Garden (Kebun Raya Bogor), West Java, Indonesia, by the following sampling methods: (1) collection of ants on tree trunks, (2) collection of litter… Expand
Adaptive advantages of ant-dispersed seeds in the myrmecochorous plant Trillium tschonoskii (Liliaceae)
TLDR
The relatively short-distance dispersal of T. tschonoskii seeds by ants is sufficient to reduce seedling mortality, by reducing competition between seedlings; and that this is the primary advantage of myrmecochory in this species. Expand
Recent range expansion of the Argentine ant in Japan.
TLDR
The large number of haplotypes found in Japan likely reflects the strong propagule pressure of L. humile resulting from the fact that the country is one of the top five importers of trade commodities world-wide and could explain the maintenance of genetic diversity of each independent introduction. Expand
Seasonal cycle of colony structure in the Ponerine ant Pachycondyla chinensis in western Japan (Hymenoptera, Formicidae)
TLDR
This work investigated the seasonal cycle of changes in the colony structure of Pachycondyla chinensis reproduced by alate queens in western Japan, and found the following novel biological characteristics of this species. Expand
Mechanisms regulating functional monogyny in a Japanese population of Leptothorax acervorum (Hymenoptera, Formicidae) : dominance hierarchy and preferential egg cannibalism
TLDR
Queen behaviour of Leptothorax acervorum collected in northern Japan was observed in four functionally monogynous colonies (one functional mated egg-laying queen with some supernumerary mated but sterile queens) and two monogynOUS colonies with some virgin queens and virgin queens showed worker-like behaviour, and dominance interactions completely lacked among queens. Expand
Colony composition and specialized predation on millipedes in the enigmatic ponerine ant genus Probolomyrmex (Hymenoptera, Formicidae)
  • F. Ito
  • Biology
  • Insectes Sociaux
  • 1 February 1998
TLDR
Colonies of Probolomyrmex dammermani Wheeler were collected in West Java, Indonesia and laboratory experiments showed that the ants fed only on polyxenids. Expand
Fragmentation or Transportation: Mode of Large-Prey Retrieval in Arboreal and Ground Nesting Ants
TLDR
This work investigated the behavioral response against large prey for 44 ant species of 34 genera belonging to eight subfamilies in Japan, Malaysia and Indonesia to investigate the mode of prey retrieval and factors affecting it. Expand
Production and reproductive function of intercastes inMyrmecina gvaminicola nipponica colonies (Hymenoptera: Formicidae)
TLDR
The ratio of polygynous colonies to monogynous colonies was lowest in July and highest in September, suggesting that polygyny results from newly inseminated intercastes remaining in their natal nests, although they leave those nests in the season of colonial budding. Expand
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