| Records |
| Author |
Franco, W.; Ladino, N.;Delabie, J.H.C.;Dejean, A.;Orivel, J.;Fichaux, M.; Groc, S.;Leponce, M.;Feitosa, R.M. |
| Title |
First checklist of the ants (Hymenoptera: Formicidae) of French Guiana |
Type |
Journal Article |
| Year |
2019 |
Publication  |
Zootaxa |
Abbreviated Journal |
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| Volume |
4674 |
Issue |
5 |
Pages |
509-543 |
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| Abstract |
We provide here a checklist of the ants of French Guiana, an overseas department of France situated in northern South America, with a very low human population density and predominantly covered by old-growth tropical rainforests. Based on 165 scientific papers, specimens deposited in collections, and unpublished surveys, a total of 659 valid species and subspecies from 84 genera and 12 subfamilies is presented. Although far from complete, these numbers represent approximately 10% of the ant diversity known to occur in the Neotropical realm. Additionally, three ant genera and 119 species are reported for the first time for French Guiana. Finally, five species are recognized as erroneous records for the the department in the literature. This checklist significantly expands the basic knowledge of the ants in the Guiana Shield, one of the world’s most important biodiversity hotspots. |
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EcoFoG @ webmaster @ |
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886 |
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Pickett, K.M.; Carpenter, J.M.; Dejean, A. |
| Title |
“Basal” but not primitive: the nest of Apoica arborea de Saussure, 1854 (Insecta, Hymenoptera, Vespidae, Polistinae) |
Type |
Journal Article |
| Year |
2009 |
Publication |
Zoosystema |
Abbreviated Journal |
Zoosystema |
| Volume |
31 |
Issue |
4 |
Pages |
945-948 |
| Keywords |
Insecta; Hymenoptera; Vespidae; Polistinae; Apoica; social wasps; nest architecture; mosaic evolution |
| Abstract |
The first nest of Apoica arborea ever collected is reported. Characteristics of the unusual nest design are discussed relative to other members of the genus Apoica and other epiponine genera. The characteristics of its nest architecture are a mosaic of primitive and derived features for the Polistinae, and thus the nest design is not properly interpreted as the primitive condition from which other swarm-founding wasp nest designs are derived. The frequent conflation of “basal” and primitive is discussed. |
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[Pickett, Kurt M.] Univ Vermont, Dept Biol, Burlington, VT 05401 USA, Email: kurt.pickett@uvm.edu |
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PUBLICATIONS SCIENTIFIQUES DU MUSEUM, PARIS |
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1280-9551 |
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ISI:000273733000008 |
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EcoFoG @ eric.marcon @ |
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188 |
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Leponce, M.;Delabie, J.H.C.;Orivel, J.;Jacquemin, J.;Calvo Martin, M.;Dejean, A. |
| Title |
Tree-dwelling ant survey (Hymenoptera, Formicidae) in Mitaraka, French Guiana |
Type |
Journal Article |
| Year |
2019 |
Publication |
Zoosystema |
Abbreviated Journal |
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| Volume |
40 |
Issue |
sp1 |
Pages |
163-179 |
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Ants constitute a substantial part of the arthropod biomass in rainforests. Most studies have focused on ground-dwelling ants, which constitute almost half of the diversity of the ant assemblage. We report here the results of the first survey of tree-dwelling ants in French Guiana on a plateau and in a swamp palm forest (Euterpe oleracea Mart.) in the Mitaraka Mountains. We were interested in seeing the effect of topography and geographic distance on species richness and composition and to gather information on the species distribution on tree trunks. The fauna of Mitaraka was compared with one from a site 350 km distant (Petit Saut). In total 105 trees were sampled (30, 30, 45 in the plateau and the swamp forests of Mitaraka, and in Petit Saut plateau forest, respectively). Arboreal ants were attracted using tuna and honey baits spread along a rope reaching an upper branch, except for the palm swamp forest where the baits were only placed at 2 m high. A total of 34, 13 and 22 species were observed in these three respective sites. Six of these species are new records for French Guiana. In Mitaraka Camponotus femoratus (Fabricius, 1804) and Crematogaster leviorLongino, 2003 co-occurred on trees (parabiotic association) and were among the most common species, along with Crematogaster tenuiculaForel, 1904 which was found on other trees (species exclusion). The Mitaraka Mountains appeared more species rich and had a species composition distinct from Petit Saut. Topography also influenced ant species composition. Almost half of the species collected by the baitline method were exclusively foraging in the canopy. |
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EcoFoG @ webmaster @ |
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883 |
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Campos Barros, Luisa Antonia ; Chaul, Julio Cezar Mario ; Orivel, Jérome ; Cardoso de Aguiar, Hilton Jeferson Alves |
| Title |
Cytogenetics of Strumigenys louisianae Roger, 1863 (Formicidae: Myrmicinae) from North-eastern Amazonia shed light on a difficult species complex |
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Journal Article |
| Year |
2021 |
Publication |
Zoologischer Anzeiger |
Abbreviated Journal |
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| Volume |
294 |
Issue |
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Pages |
100-105 |
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Cytogenetic techniques provide powerful insights on species-rich taxa–such as ants–allowing better understanding of their biodiversity. Some hints on evolutionary paths can be observed through comparative populational cytogenetics among different ant groups. In this study, the karyotype of Strumigenys louisianae Roger from the Amazon rainforest is described and showed diploid chromosome number of 26 chromosomes. This configuration intriguingly contrasts with the already described karyotype for this species from the Atlantic rainforest with only 2n = 4 chromosomes. 18S rDNA site were detected on the pericentromeric region of the long arm of a metacentric pair and co-localizing with GC-rich chromatin. Recurrent synonymizations of S. louisianae may not reflect the species status of this taxon. The karyotypic differences and the observable morphological variation between the populations of both localities corroborates the idea of a species complex within S. louisianae. The morphology of S. louisianae from the Amazonian region is similar to that from the United States, the type locality. On the other hand, specimens from the Atlantic rainforest are more similar to the junior synonym Strumigenys unidentata Mayr. This study reinforces the need of taxonomical revision in S. louisianae by means of integrative taxonomy approaches. |
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Elsevier |
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no |
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EcoFoG @ webmaster @ |
Serial |
1028 |
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Lamarre, G.P.A.; Molto, Q.; Fine, P.V.A.; Baraloto, C. |
| Title |
A comparison of two common flight interception traps to survey tropical arthropods |
Type |
Journal Article |
| Year |
2012 |
Publication |
ZooKeys |
Abbreviated Journal |
ZooKeys |
| Volume |
216 |
Issue |
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Pages |
43-55 |
| Keywords |
Flight interception trap; French Guiana; Malaise trap; Performance; Sampling strategies; Tropical forest; Windowpane trap |
| Abstract |
Tropical forests are predicted to harbor most of the insect diversity on earth, but few studies have been conducted to characterize insect communities in tropical forests. One major limitation is the lack of consensus on methods for insect collection. Deciding which insect trap to use is an important consideration for ecologists and entomologists, yet to date few study has presented a quantitative comparison of the results generated by standardized methods in tropical insect communities. Here, we investigate the relative performance of two flight interception traps, the windowpane trap, and the more widely used malaise trap, across a broad gradient of lowland forest types in French Guiana. The windowpane trap consistently collected significantly more Coleoptera and Blattaria than the malaise trap, which proved most effective for Diptera, Hymenoptera, and Hemiptera. Orthoptera and Lepidoptera were not well represented using either trap, suggesting the need for additional methods such as bait traps and light traps. Our results of contrasting trap performance among insect orders underscore the need for complementary trapping strategies using multiple methods for community surveys in tropical forests. |
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Department of Biology, University of Florida, Gainesville, FL 32611, United States |
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13132989 (Issn) |
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Export Date: 4 October 2012; Source: Scopus; doi: 10.3897/zookeys.216.3332; Language of Original Document: English; Correspondence Address: Lamarre, G. P. A.; UniversitéAntilles-Guyane, UMR Ecologie des Forèts de Guyane, Campus agronomique de Kourou. Avenue de France, 97310 Kourou, French Guiana; email: Greg.Lamarre@ecofog.gf |
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EcoFoG @ webmaster @ |
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438 |
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Talaga, S.; Murienne, J.; Dejean, A.; Leroy, C. |
| Title |
Online database for mosquito (Diptera, Culicidae) occurrence records in French guiana |
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Journal Article |
| Year |
2015 |
Publication |
ZooKeys |
Abbreviated Journal |
ZooKeys |
| Volume |
2015 |
Issue |
532 |
Pages |
107-115 |
| Keywords |
Diversity; French guiana; Mosquitoes; Neotropics; Occurrence |
| Abstract |
A database providing information on mosquito specimens (Arthropoda: Diptera: Culicidae) collected in French Guiana is presented. Field collections were initiated in 2013 under the auspices of the CEnter for the study of Biodiversity in Amazonia (CEBA: http://www.labexceba.fr/en/). This study is part of an ongoing process aiming to understand the distribution of mosquitoes, including vector species, across French Guiana. Occurrences are recorded after each collecting trip in a database managed by the laboratory Evolution et Diversité Biologique (EDB), Toulouse, France. The dataset is updated monthly and is available online. Voucher specimens and their associated DNA are stored at the laboratory Ecologie des Forêts de Guyane (Ecofog), Kourou, French Guiana. The latest version of the dataset is accessible through EDB’s Integrated Publication Toolkit at http://130.120.204.55:8080/ipt/resource.do?r=mosquitoesof french_guiana or through the Global Biodiversity Information Facility data portal at http://www.gbif.org/ dataset/5a8aa2ad-261c-4f61-a98e-26dd752fe1c5 It can also be viewed through the Guyanensis platform at http://guyanensis.ups-tlse.fr © Stanislas Talaga et al. |
| Address |
IRD, Laboratoire de botAnique et Modélisation de l’Architecture des Plantes et des végétations (AMAP; UMR 123), Boulevard de la Lironde, TA A-51/PS2, Montpellier, France |
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Export Date: 25 November 2015 |
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no |
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EcoFoG @ webmaster @ |
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640 |
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Bremaud, I.; Cabrolier, P.; Gril, J.; Clair, B.; Gerard, J.; Minato, K.; Thibaut, B. |
| Title |
Identification of anisotropic vibrational properties of Padauk wood with interlocked grain (vol 44, pg 335, 2010) |
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Journal Article |
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2010 |
Publication |
Wood Science and Technology |
Abbreviated Journal |
Wood Sci. Technol. |
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44 |
Issue |
4 |
Pages |
705-705 |
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[Bremaud, Iris; Minato, Kazuya] Kyoto Prefectural Univ, Grad Sch Life & Environm Sci, Lab Forest Resource Circulating Circles, Kyoto 6068522, Japan, Email: iris_bremaud@hotmail.com |
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SPRINGER |
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0043-7719 |
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ISI:000283087900013 |
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EcoFoG @ eric.marcon @ |
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24 |
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Zhang, T.; Bai, S.L.; Zhang, Y.F.; Thibaut, B. |
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Viscoelastic properties of wood materials characterized by nanoindentation experiments |
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Journal Article |
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2012 |
Publication |
Wood Science and Technology |
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Wood Sci. Technol. |
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46 |
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5 |
Pages |
1003-1016 |
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Springer-Verlag |
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0043-7719 |
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EcoFoG @ webmaster @ |
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465 |
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Bremaud, I.; Cabrolier, P.; Gril, J.; Clair, B.; Gerard, J.; Minato, K.; Thibaut, B. |
| Title |
Identification of anisotropic vibrational properties of Padauk wood with interlocked grain |
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Journal Article |
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2010 |
Publication |
Wood Science and Technology |
Abbreviated Journal |
Wood Sci. Technol. |
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44 |
Issue |
3 |
Pages |
355-367 |
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Grain deviations and high extractives content are common features of many tropical woods. This study aimed at clarifying their respective impact on vibrational properties, referring to African Padauk (Pterocarpus soyauxii Taub.), a species selected for its interlocked grain, high extractives content and uses in xylophones. Specimens were cut parallel to the trunk axis (L), and local variations in grain angle (GA), microfibril angle (MFA), specific Young's modulus (E' (L) /rho, where rho stands for the density) and damping coefficient (tan delta(L)) were measured. GA dependence was analysed by a mechanical model which allowed to identify the specific Young's modulus (E'(3)/rho) and shear modulus (G'/rho) along the grain (3) as well as their corresponding damping coefficients (tan delta(3), tan delta(G)). This analysis was done for native and then for extracted wood. Interlocked grain resulted in 0-25A degrees GA and in variations of a factor 2 in E'(L)/rho and tan delta(L). Along the grain, Padauk wood was characterized, when compared to typical hardwoods, by a somewhat lower E'(3)/rho and elastic anisotropy (E'/G'), due to a wide microfibril angle plus a small weight effect of extracts, and a very low tan delta(3) and moderate damping anisotropy (tan delta(G)/tan delta(3)). Extraction affected mechanical parameters in the order: tan delta(3) a parts per thousand tan delta(G) > G'/rho > > E'(3)/rho. That is, extractives' effects were nearly isotropic on damping but clearly anisotropic on storage moduli. |
| Address |
[Bremaud, Iris; Minato, Kazuya] Kyoto Prefectural Univ, Grad Sch Life & Environm Sci, Lab Forest Resource Circulating Circles, Kyoto 6068522, Japan, Email: iris_bremaud@hotmail.com |
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0043-7719 |
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ISI:000280090400001 |
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EcoFoG @ eric.marcon @ |
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48 |
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Fang, C.H.; Clair, B.; Gril, J.; Almeras, T. |
| Title |
Transverse shrinkage in G-fibers as a function of cell wall layering and growth strain |
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Journal Article |
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2007 |
Publication |
Wood Science and Technology |
Abbreviated Journal |
Wood Sci. Technol. |
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41 |
Issue |
8 |
Pages |
659-671 |
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Transverse drying shrinkage was measured at microscopic and mesoscopic levels in poplar wood characterised by an increasing growth strain (GS), from normal to tension wood. Results show that: (a) the drying shrinkage, measured as a relative thickness decrease, was significantly higher for G-layer (GL) than for the other layers (OL), GL shrinkage was not significantly correlated with GS, and OL shrinkage was negatively correlated with GS. (b) In gelatinous fibre (G-fibre), lumen size increased during drying and this increase was positively related with GS, but in normal wood fibre, lumen size decreased during drying. These findings suggest that GL shrank outwards (i.e., its internal perimeter increases), so that its shrinkage weakly affected the total cell shrinkage and the mesoscopic shrinkage was controlled by the OL shrinkage which shrank inwards (i.e., its external perimeter decreases). (c) Measurements done on 7 x 7 mm(2) thin sections evidenced a negative correlation between transverse shrinkage and GS, significant in T direction but weak in R direction. These observations at both levels allow to discuss the contribution of GL to the mesoscopic shrinkage of tension wood. |
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Univ Montpellier 2, Lab Mech & Gene Civil, F-34095 Montpellier, France, Email: fang1979@gmail.com |
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0043-7719 |
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ISI:000250381500003 |
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EcoFoG @ eric.marcon @ |
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155 |
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