Lasius
Genus Lasius Fabricius, 1804 Lasius Fabricius, 1804:415. Type-species: Formica nigra Linne, 1758. The antennae are 12 segmented in the worker and female, 13 segmented in the male. The antennal insertions are situated at the posterior margin of the clypeus and segments2 to 5 are not longer than the s...
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ftzenodo:oai:zenodo.org:6283842 2023-06-06T11:53:35+02:00 Lasius Collingwood, C. A. 1979-12-31 https://zenodo.org/record/6283842 https://doi.org/10.5281/zenodo.6283842 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/A87DF09CEB1BE239CFC3D8BF99B57A07 http://publication.plazi.org/id/BD3B0D337E1DDAA0E4761CC6B14CB110 doi:10.5281/zenodo.6283841 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6283842 https://doi.org/10.5281/zenodo.6283842 oai:zenodo.org:6283842 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode The Formicidae (Hymenoptera) of Fennoscandia and Denmark., pp. 1-174 in Fauna Entomologica Scandinavica 8 92-96 Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Formicidae Lasius info:eu-repo/semantics/other publication-taxonomictreatment 1979 ftzenodo https://doi.org/10.5281/zenodo.628384210.5281/zenodo.6283841 2023-04-13T20:44:50Z Genus Lasius Fabricius, 1804 Lasius Fabricius, 1804:415. Type-species: Formica nigra Linne, 1758. The antennae are 12 segmented in the worker and female, 13 segmented in the male. The antennal insertions are situated at the posterior margin of the clypeus and segments2 to 5 are not longer than the succeeding segments. Maxillary palps are 6 segmented, labial palps 4 segmented. The head of the worker caste is somewhat cordate with a posterior emargination in some species. The clypeus is broad and rounded anteriorly. The frontal carinae are short and sub-parallel and in most species the frontal triangle is indistinctly defined. The orifice of the propodeal spiracle is circular or broadly oval situated close to the posterior propodeal border. Ocelli are minute or indistinct in the worker but distinct in the female and male. The petiole is vertical and scale-like in most species. This genus contains about 42 species with a holarctic distribution. It was extensively revised by Wilson (1955). Members of this genus are predominantly aphidicolous but also carnivorous and scavenging. There are 14 species in Europe of which IO are known to occur in Fennoscandia. Keys to species of Lasius Workers 1 Colour shining black; head large, broadly cordate with a distinct posterior emargination (Fig. 137). 37. fuliginosus (Latreille) Colour greyish or brownish black or yellow. 2 2(1) Colour yellow to brownish yellow; maximum eye length 1/4, head width or less. 3 Colour brownish or greyish black or somewhat bicoloured reddish and black; maximum eye length more than head width. 8 3 (2) Petiole nodal with dorsal crest in front view strongly convex; head emarginatc posteriorly; with genal margins rounding in towards close set mandibular insertions(Figs. 153,155). 42. carniolicus (Mayr) Petiole with thin dorsal crest, straight or emarginate in front view; back of head convex and genal margins not pronouncedly sloping in towards mandibular insertions which are wide set. 4 4 (3) Front tibiae and antennal scapes with sub-erect hairs ... Other/Unknown Material Fennoscandia Zenodo |
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Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Formicidae Lasius |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Formicidae Lasius Collingwood, C. A. Lasius |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Formicidae Lasius |
description |
Genus Lasius Fabricius, 1804 Lasius Fabricius, 1804:415. Type-species: Formica nigra Linne, 1758. The antennae are 12 segmented in the worker and female, 13 segmented in the male. The antennal insertions are situated at the posterior margin of the clypeus and segments2 to 5 are not longer than the succeeding segments. Maxillary palps are 6 segmented, labial palps 4 segmented. The head of the worker caste is somewhat cordate with a posterior emargination in some species. The clypeus is broad and rounded anteriorly. The frontal carinae are short and sub-parallel and in most species the frontal triangle is indistinctly defined. The orifice of the propodeal spiracle is circular or broadly oval situated close to the posterior propodeal border. Ocelli are minute or indistinct in the worker but distinct in the female and male. The petiole is vertical and scale-like in most species. This genus contains about 42 species with a holarctic distribution. It was extensively revised by Wilson (1955). Members of this genus are predominantly aphidicolous but also carnivorous and scavenging. There are 14 species in Europe of which IO are known to occur in Fennoscandia. Keys to species of Lasius Workers 1 Colour shining black; head large, broadly cordate with a distinct posterior emargination (Fig. 137). 37. fuliginosus (Latreille) Colour greyish or brownish black or yellow. 2 2(1) Colour yellow to brownish yellow; maximum eye length 1/4, head width or less. 3 Colour brownish or greyish black or somewhat bicoloured reddish and black; maximum eye length more than head width. 8 3 (2) Petiole nodal with dorsal crest in front view strongly convex; head emarginatc posteriorly; with genal margins rounding in towards close set mandibular insertions(Figs. 153,155). 42. carniolicus (Mayr) Petiole with thin dorsal crest, straight or emarginate in front view; back of head convex and genal margins not pronouncedly sloping in towards mandibular insertions which are wide set. 4 4 (3) Front tibiae and antennal scapes with sub-erect hairs ... |
format |
Other/Unknown Material |
author |
Collingwood, C. A. |
author_facet |
Collingwood, C. A. |
author_sort |
Collingwood, C. A. |
title |
Lasius |
title_short |
Lasius |
title_full |
Lasius |
title_fullStr |
Lasius |
title_full_unstemmed |
Lasius |
title_sort |
lasius |
publishDate |
1979 |
url |
https://zenodo.org/record/6283842 https://doi.org/10.5281/zenodo.6283842 |
genre |
Fennoscandia |
genre_facet |
Fennoscandia |
op_source |
The Formicidae (Hymenoptera) of Fennoscandia and Denmark., pp. 1-174 in Fauna Entomologica Scandinavica 8 92-96 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/A87DF09CEB1BE239CFC3D8BF99B57A07 http://publication.plazi.org/id/BD3B0D337E1DDAA0E4761CC6B14CB110 doi:10.5281/zenodo.6283841 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6283842 https://doi.org/10.5281/zenodo.6283842 oai:zenodo.org:6283842 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.628384210.5281/zenodo.6283841 |
_version_ |
1767959782174490624 |