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Subject Item

n2:240629

rdf:type

bibo:Document schema:CreativeWork

rdfs:label

Pollet <i>et al.</i> (2018)

rdfs:isDefinedBy

taxref:taxref-ld

schema:datePublished

2018-01-01

dct:title

Pollet <i>et al.</i> (2018)

schema:identifier

_:vb70013960

dct:abstract

During the %22Our Planet Reviewed%22 French Guiana 2014-2015 expedition, Diptera were collected in seven habitat types over an approximately 1 km² area in the Mitaraka Mountains of southwestern French Guiana. Sixteen collecting methods were used, seven of which yielded multiple samples containing Dolichopodidae. The survey produced a total of 4918 specimens of Dolichopodidae, belonging to 244 morphospecies, 31 genera including four new ones, and 10 recognized subfamilies. This is the highest dolichopodid species richness thus far recorded from a single location anywhere in the world. Three taxa could be identified to species level and all represent first records for French Guiana. Paraclius Loew, 1864, Chrysotus Meigen, 1824 and Medetera Fischer von Waldheim, 1819 were the most speciose genera. Paraclius represented by 50 species, exhibited an unprecedented species richness, mainly in the palm swamps. The three most productive methods in terms of numbers of specimens collected (68% of all specimens obtained using the three methods combined), SLAM traps, sweep nets, and a 6 m long Malaise trap, each yielded between 78 and 90 species, with approximately half of the species from each trap type unique to that method. Both blue, white or yellow pan traps, on the contrary, captured less than 20 species, and overall yellow traps were dearly the least efficient. Pan trap yields, however, were severely affected by repeated heavy rainfall. The highest species richness was recorded around the drop zone and in the base camp, on river banks and in river bank forests, with 40 to 60% of species unique to one of these habitat types. Forty-five species were collected on 'savanes roches', and 14 species on inselbergs, with four species shared by both types of rocky outcrops and uniquely found on them.

bibo:abstract

During the %22Our Planet Reviewed%22 French Guiana 2014-2015 expedition, Diptera were collected in seven habitat types over an approximately 1 km² area in the Mitaraka Mountains of southwestern French Guiana. Sixteen collecting methods were used, seven of which yielded multiple samples containing Dolichopodidae. The survey produced a total of 4918 specimens of Dolichopodidae, belonging to 244 morphospecies, 31 genera including four new ones, and 10 recognized subfamilies. This is the highest dolichopodid species richness thus far recorded from a single location anywhere in the world. Three taxa could be identified to species level and all represent first records for French Guiana. Paraclius Loew, 1864, Chrysotus Meigen, 1824 and Medetera Fischer von Waldheim, 1819 were the most speciose genera. Paraclius represented by 50 species, exhibited an unprecedented species richness, mainly in the palm swamps. The three most productive methods in terms of numbers of specimens collected (68% of all specimens obtained using the three methods combined), SLAM traps, sweep nets, and a 6 m long Malaise trap, each yielded between 78 and 90 species, with approximately half of the species from each trap type unique to that method. Both blue, white or yellow pan traps, on the contrary, captured less than 20 species, and overall yellow traps were dearly the least efficient. Pan trap yields, however, were severely affected by repeated heavy rainfall. The highest species richness was recorded around the drop zone and in the base camp, on river banks and in river bank forests, with 40 to 60% of species unique to one of these habitat types. Forty-five species were collected on 'savanes roches', and 14 species on inselbergs, with four species shared by both types of rocky outcrops and uniquely found on them.

dct:issued

2018-01-01

dct:bibliographicCitation

Pollet, M., Leponce, M., Pascal, O., Touroult, J. &amp; Van Calster, H. 2018. Dipterological survey in Mitaraka Massif (French Guiana) reveals megadiverse dolichopodid fauna with an unprecedented species richness in <em>Paraclius </em>Loew, 1864 (Diptera: Dolichopodidae). <em>In</em>: Touroult, J. [Ed.]. “Our Planet Reviewed” 2015 large-scale biotic survey in Mitaraka, French Guiana.<em> Zoosystema</em>, 40(21): 471-491.

bibo:doi

10.5252/zoosystema2018v40a21

Subject Item

_:vb70013960

rdf:type

schema:PropertyValue

schema:propertyID

n7:P356

schema:value

10.5252/zoosystema2018v40a21