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Ontogenetic origin of mermithogenic Myrmica phenotypes (Hymenoptera, Formicidae)
Effect of nematodes may turn out to be the determining factor in the formation of alternative parasitogenic morphologies within Myrmica ants. Expand
A taxonomic review of the Palaearctic Tetramorium ferox species-complex (Hymenoptera, Formicidae).
This revision treats the members of the Palaearctic Tetramorium ferox species-complex on the basis of external morphology and using high precision morphometrics. With this approach we recognize fiveExpand
Taxonomic Synopsis of the Ponto-Mediterranean Ants of Temnothorax nylanderi Species-Group
The Temnothorax nylanderi species-group of myrmicine ants is characterized and the first application to Formicidae of the Semantic Phenotype approach that has been used in previous taxonomic revisions is made. Expand
Application of Exploratory Data Analyses opens a new perspective in morphology-based alpha-taxonomy of eusocial organisms
This article introduces a new application of the Exploratory Data Analysis (EDA) algorithms Ward's method, Unweighted Pair Group Method with Arithmetic Mean (UPGMA), K-Means clustering, and aExpand
Comprehensive survey of Romanian myrmecoparasitic fungi: new species, biology and distribution
An overview of the myrmecoparasitic fungal species from a hitherto barely explored country, Romania, and general aspects of the biology of the four species, their distribution in Romania and their host range are presented. Expand
Cryptic diversity in the Mediterranean Temnothorax lichtensteini species complex (Hymenoptera:Formicidae)
An exploratory analysis of morphometric data, combined with sequencing of a 652 bp fragment of the mitochondrial gene for the cytochrome c oxidase subunit I (CO I), indicates the existence of three distinct lineages, Peloponnese, which is divergent in both morphology and CO I sequences and its separation from the other two lineages is convincingly confirmed. Expand
Turning one into five: Integrative taxonomy uncovers complex evolution of cryptic species in the harvester ant Messor "structor".
The successful solution of this particular problem illustrates the usefulness of the integrative approach to other systematic problems of comparable complexity and the importance of understanding evolution to drawing correct conclusions on species' attributes, including their ecology and biogeography. Expand
Collapse of the invasive garden ant, Lasius neglectus, populations in four European countries
Monitoring of populations of the invasive garden ant in Bulgaria, Hungary, Poland and Spain finds that they decline more generally than has been thought, and similar phenomena were observed in the cases of supercolonies of other invasive ant species. Expand
Patterns of host use by brood parasitic Maculinea butterflies across Europe
It is shown that most Maculinea display the features expected for coevolution to occur in a geographic mosaic, which has probably allowed these rare butterflies to persist in Europe. Expand
The genus Myrmica Latreille, 1804 (Hymenoptera: Formicidae)in Romania : distribution of species and key for their identification
A key to the worker caste of Myrmica (with the use of male characters for some species) is provided, including species with likely occurrence in Romania, including four species reported for the first time in the Romanian fauna. Expand