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Published on Oct 23, 2018in Zootaxa 0.99
Bjarte H. Jordal3
Estimated H-index: 3
Twenty-one new species of Scolytodes Ferrari are described from Central and South America: Scolytodes cavus Jordal, sp. nov., Scolytodes excavatus Jordal, sp. nov., Scolytodes speculofrons Jordal, sp. nov., Scolytodes potens Jordal, sp. nov., Scolytodes minimus Jordal, sp. nov., Scolytodes setosicauda Jordal, sp. nov., Scolytodes monticola Jordal, sp. nov., Scolytodes aureifrons Jordal, sp. nov., Scolytodes piliscapus Jordal, sp. nov., Scolytodes curvicostatus Jordal, sp. nov., Scolytodes vellus...
Published on Oct 18, 2013in Zootaxa 0.99
Bjarte H. Jordal3
Estimated H-index: 3
Seventeen new species of Scolytodes Ferrari are described from Venezuela, Ecuador, Peru, Bolivia and Argentina: Scolytodes cenchros , S. concavifrons, S. conpunctus, S. fraterniatratus, S. frontocarinatus, S. solarius and S. trigonus from Cecropia leafstalks; S. pascopomus from a fruit husk; S. obovatus, S. clusiaphilus, S. clusiapraelatus and S. uniseriatus from Clusia litter sifting; S. grossepunctatus and S. fulvus from general litter sifting; and S. inusitatus, S. sagittarius and S. sus coll...
Published on Mar 1, 2011in Ecosphere 2.75
John T. Longino28
Estimated H-index: 28
(The Evergreen State College),
Robert K. Colwell58
Estimated H-index: 58
(UConn: University of Connecticut)
The distribution of species on elevational gradients challenges our understanding of ecological processes, particularly in the context of biotic responses to climate change. We report here the distribution of leaf-litter ants on the Barva Transect, a continuous gradient of wet forest on Costa Rica's Atlantic slope. Seven sites were sampled, distributed from 50 to 2000 m. Worker density and microsite occupancy were high and relatively constant from 50 m to 1500 m and then abruptly dropped to near...
Published on May 1, 2009in Biotropica 2.99
Anjali Kumar9
Estimated H-index: 9
(UW: University of Washington),
John T. Longino28
Estimated H-index: 28
(The Evergreen State College)
+ 1 AuthorsSean O'Donnell27
Estimated H-index: 27
(UW: University of Washington)
We used a standard sampling protocol to measure elevational patterns of species richness and abundance of eusocial paper wasps (Hymenoptera: Vespidae) in Costa Rica. The sample transect of six sites spanned approximately 2000 m in elevation from lowland to montane forest. Species accumulation curves and species richness estimates both document a low elevation peak in paper wasp species richness at 50 and 300 m asl, with a decline in species richness at higher elevations. Comparison of species co...
Published on Feb 1, 2008in Ecography 5.95
Robert K. Colwell58
Estimated H-index: 58
(UConn: University of Connecticut)
RangeModel is a computer application that offers animated demonstrations of the mechanism behind the mid-domain effect. The program also provides analytical tools for the assessment of geometric constraints in empirical datasets for one-dimensional domains (transects). The mid-domain effect (MDE) is the increasing overlap of species ranges towards the center of a shared, bounded domain due to geometric boundary constraints in relation to the distribution of range sizes, producing a peak or plate...
Published on Jan 1, 2007in Symbiosis 2.01
Jiri Hulcr25
Estimated H-index: 25
(MSU: Michigan State University),
Miroslav Kolarik3
Estimated H-index: 3
,
Lawrence R. Kirkendall21
Estimated H-index: 21
The most evolutionarily advanced form of symbiosis between wood-decaying fungi and wood-boring beetles (Coleoptera, Curculionidae: Scolytinae and Platypodinae) is the ambrosial habit, or fungus farming. Here we present a discovery of a new origin of the ambrosia symbiosis in Scolytodes unipunctatus. Feeding on symbiotic fungi and the spatial organization of the gallery system of S. unipunctatus is typical for ambrosia beetles, but not for phylogenetically related phloeophagous species. S. unipun...
Published on Mar 1, 1998in Journal of Tropical Ecology 1.19
Bjarte H. Jordal21
Estimated H-index: 21
,
Lawrence R. Kirkendall21
Estimated H-index: 21
Petioles are not usually thought of as a habitat for wood-boring insects. The large, woody leaf petioles of Neotropical Cecropia trees, however, have a diverse coleopterous fauna: 36 beetle species in three subfamilies of Cerambycidae and Curculionidae were recorded from Cecropia leafstalks in Costa Rica. A high percentage of the petioles were colonized by beetles in many patches, though fewer were colonized in sun-exposed sites. Community composition was dependent on forest type, petiole moistu...
Published on Jan 1, 1998in Journal of Natural History 0.84
B.H. Jordal1
Estimated H-index: 1
(University of Bergen)
The taxonomy of Cecropia-associated Scolytodes (tribe Ctenophorini) is reviewed. Five species are described as new to science: S. borealis (Nicaragua to Mexico), S. caudatus (Costa Rica), S. hondurensis (Honduras), S. pacificus (Isla del Coco) and S. suspectus (Panama). Scolytodes acuminatus Wood and S. punctifer Wood are elevated to species status. Scolytodes obscurus (Wood) is recorded from Central America and S. ovalis (Eggers) from Venezuela and Panama for the first time. Keys to adults of a...
Published on Nov 1, 1997in Ecological Applications 4.38
John T. Longino28
Estimated H-index: 28
(The Evergreen State College),
Robert K. Colwell58
Estimated H-index: 58
(UConn: University of Connecticut)
The goal of “strict inventory” (as opposed to community characterization) is to obtain species lists for specific sites. Quantitatively structured inventory can improve inventory efficiency (defined as the steepness of species accumulation curves). As part of the Arthropods of La Selva project (ALAS), a structured inventory of the ants of a lowland tropical rain forest was carried out. A novel method of sample processing was developed, in which parataxonomists prepared specimens based on their o...
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