Dataset Information

Rainforest and cloud forest Scolytodes (Curculionidae, Scolytinae, Hexacolini) from the Arthropods of La Selva inventory in Costa Rica: new species, new synonymy, new records.

ABSTRACT: Quantitative collecting efforts over the last several decades in Costa Rica have resulted in many new species of insects. The Arthropods of La Selva projects included collecting from a typical lowland Neotropical forest and up an altitudinal transect, and has provided many valuable samples of insects, spiders and mites potentially new to science. We describe 18 new species in the bark beetle genus Scolytodes Ferrari, 1867, 14 of which were collected during this project: S.angulus Jordal & Kirkendall, sp. nov., S.sufflatus Jordal & Kirkendall, sp. nov., S.squamatifrons Jordal & Kirkendall, sp. nov., S.comosus Jordal & Kirkendall, sp. nov., S.spatulatus Jordal & Kirkendall, sp. nov., S.seriatus Jordal & Kirkendall, sp. nov., S.profundus Jordal & Kirkendall, sp. nov., S.catinus Jordal & Kirkendall, sp. nov., S.fimbriatus Jordal & Kirkendall, sp. nov., S.sulcifrons Jordal & Kirkendall, sp. nov., S.planifrons Jordal & Kirkendall, sp. nov., S.porosus Jordal & Kirkendall, sp. nov., S.mundus Jordal & Kirkendall, sp. nov., S.callosus Jordal & Kirkendall, sp. nov., S.parvipilus Jordal & Kirkendall, sp. nov., S.plenus Jordal & Kirkendall, sp. nov., S.niger Jordal & Kirkendall, sp. nov., and S.simplex Jordal & Kirkendall, sp. nov. One species, Scolytodesminutissimus Schedl, 1952, is redescribed to match the holotype. We give new Costa Rica records for S.costabilis Wood, 1974, which is the correct name for S.obesus Wood, 1975 (syn. nov.). We report Costa Rica as a new country record for six species: Scolytodesclusiacolens Wood, 1967, S.crinalis Wood, 1978, S.culcitatus (Blandford, 1897), S.libidus Wood, 1978, S.reticulatus (Wood, 1961), and S.spadix (Blackman, 1943). From a closely related genus, we provide the first record for Central America (and only the second collection) of Pycnarthrumfulgidum Wood, 1977.

SUBMITTER: Jordal BH

PROVIDER: S-EPMC6639350 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Rainforest and cloud forest Scolytodes (Curculionidae, Scolytinae, Hexacolini) from the Arthropods of La Selva inventory in Costa Rica: new species, new synonymy, new records.

Jordal Bjarte H BH Kirkendall Lawrence R LR

ZooKeys 20190711

Quantitative collecting efforts over the last several decades in Costa Rica have resulted in many new species of insects. The Arthropods of La Selva projects included collecting from a typical lowland Neotropical forest and up an altitudinal transect, and has provided many valuable samples of insects, spiders and mites potentially new to science. We describe 18 new species in the bark beetle genus Scolytodes Ferrari, 1867, 14 of which were collected during this project: S.angulus J ...[more]

PMID: 31341391

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Project description:Osa Peninsula in remote southwest Costa Rica harbors 2.5% of global terrestrial biodiversity in only 1,200 km2 and has the largest remaining tract of Pacific lowland wet forest in Mesoamerica. However, little is known about the marine ecosystems of this diverse region. Much of the coastline consists of soft sediment exposed to strong wave action. Three major hard bottom habitat types define this region, including: 1) coral reefs around Isla del Caño Biological Reserve, a no-take marine protected area (MPA) of 52 km2, 2) coastal rocky reefs and islets along the peninsula, including Corcovado National Park, and 3) submerged pinnacles just outside the Isla del Caño MPA. Average coral cover at Isla del Caño was 21%, composed primarily of Porites lobata and Pocillopora elegans. In contrast, coastal rocky reefs were dominated by turf algae (39.8%) and macroalgae (20.7%) with low coral cover (1.1%). Submerged pinnacles were dominated by crustose coralline algae (33.3%) and erect coralline algae (25.7%). Fish assemblage characteristics (species richness, abundance, biomass) were significantly higher at the pinnacles compared to the other habitats and was dominated by schooling species such as Haemulon steindachneri, and the herbivores Kyphosus ocyurus, and Acanthurus xanthopterus. Top predators, primarily Triaenodon obesus, Caranx sexfasciatus, and Lutjanus argentimaculatus, were also most abundant at these pinnacles and accounted for the largest differences in fish trophic structure among habitats. Despite Isla del Caño being fully protected from fishing, biomass was similar to fished areas along the coast and lower than the adjacent submerged pinnacles outside the reserve. Similarly, Corcovado National Park includes 20.3 km2 of no-take MPAs; however, there is limited enforcement, and we noted several instances of fishing within the park. The unique configuration of healthy offshore coral reefs and pinnacles connected to coastal habitats provides corridors for many species including large predators such as sharks and other marine megafauna, which warrants additional protection.

Dataset Information

Rainforest and cloud forest Scolytodes (Curculionidae, Scolytinae, Hexacolini) from the Arthropods of La Selva inventory in Costa Rica: new species, new synonymy, new records.

Publications

Rainforest and cloud forest <i>Scolytodes</i> (Curculionidae, Scolytinae, Hexacolini) from the Arthropods of La Selva inventory in Costa Rica: new species, new synonymy, new records.

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