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435 results for “Carabids”
Data from: Morphological integration and pleiotropy in the adaptive body shape of the snail-feeding carabid beetle Damaster blaptoides
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Which pitfall traps and sampling effort to choose to evaluate cropping system effects on spider and carabid assemblages?
<p>Dataset and example of the script (R) used in the simulation approach.</p>
Carabid beetle assemblages at Silwood Park, UK
<p>Anthropogenically created habitat edges have long been known to affect communities of adjacent habitats. This data is curated from a collection of studies where pitfall-trapping were used to compare changes in ground beetle (Coleoptera Carabidae) assemblages along transects marking the transition between different types of habitats: grassland to woodland, grassland to farmland and farmland to woodland. </p> <p>Studies were part of undergraduate or Master degree projects, thus the methods used between years are not the same. Students original data and reports are available.</p> <p>The study site is the Silwood Park Campus from Imperial College London, Buckhurst Road, Ascot, Berkshire SL5 7PY, United Kingdom. The campus, with 75 ha, contains grasslands, scrubland, ancient woodlands and few decades old oak-dominated woodlands. Woodlands in Silwood Park used in these studies developed from natural succession from about 1960’s. They are the typical species-poor type found in lowland southern Britain, classified as (W10a) with common tree species like Pedunculated Oak (Quercus robur), Silver birch (Betula pendula) and with Bramble (Rubus fruticosus), Common Nettle (Urtica dioica) and Bracken (Pteridium aquilinum) dominating the field layer. Grasslands are species-poor on sandy, acidic soil of the Bagshot Series, MG5 Cynosurus cristatus/ Centaurea debeauxii, Danthonia decumbens subcommunity (United Kingdome National Vegetation Classification, https://jncc.gov.uk/).<br> <br>Farmland used are former arable plots abandoned since the 1970's and maintained by cutting vegetation, ploughing and rotovating the soil in October every year. </p> <p>Silwood Park experiences an average annual rainfall of 698mm with little seasonal pattern. Mean hourly temperature is 10oC with July max of 23 oC and January min of 1.4 oC (Means from Silwood Weather Station,1987-2022, https://www.imperial.ac.uk/silwood-park/research/field-experiments/silwood-weather/).</p> <p>Methods</p> <p>Data 2016: Three grassland to woodland 64m transects were placed perpendicular to the habitats edge at each site; 32m extending into the woodland, 32m extending into the grassland and the midpoint of the transect at the edge. One pitfall trap was placed at each of the following distances each side of the edge: 2m, 4m, 8m, 16m, 32m, and another was placed at 0m. Overall carabids were collected over a total of 21 trap-days divided in seven sampling periods of three days each. Abundance of carabid species collected in each pitfall trap is reported for each three-day collection period. </p> <p>Data 2017: Two transects were set in each habitat transition: grassland to woodland and grassland to farmland. Three 5x5m2 plots were placed at 5m intervals, along a 25m transect, across each site. In each plot, five dry pitfall traps were set 1m apart in the diagonal line of the plot (Fig.1). Traps were plastic cups of 7 cm diameter buried at ground level. Pitfall traps were set 14 times in each plot and examined after 24h. Carabid beetles found were identified, marked with nail polish using color codes and released in the same location. After 24h pitfall traps were examined again, and the number of captures and recaptures recorded. Data are number of carabid beetles of each species found in pitfall traps for the whole plot in a given 48 sampling period.</p> <p>Data 2019: Three replicate transects were set up along two habitat edges: Agriculture field to woodland and acid grassland to woodland. Transects were at a minimum distance of 20m from any other edge. The transects were separated by the maximum possible distance of 14m. Each replicate transect was composed of five plots ranging from 20m within the woodland interior to 20m into the matrix (grassland/agricultural field), using the central traps as reference for measures of distance. Each plot contained nine pitfall traps arranged in 2x2m grids resulting in a total of 270 traps. Simple “Barber” pitfall traps were composed of 2 stacked 200ml plastic cups with an open diameter of 7.2cm and buried at ground level. Beetle collection occurred over a period of 24 days (April 14 to May 8, 2019). Traps were emptied at three-day intervals for six of the eight sampling events, with one sampling event occurring after two days, and another after four days due to organizational complications. Samples were grouped by plot rather than by individual trap, resulting in the collection of 30 samples per sampling event. Specimens were conserved in 40% ethanol solution and stored for later identification.</p>
Figure C2 from: Riley Peterson KN, Browne RA, Erwin TL (2021) Carabid beetle (Coleoptera, Carabidae) richness, diversity, and community structure in the understory of temporarily flooded and non-flooded Amazonian forests of Ecuador. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 831-876. https://doi.org/10.3897/zookeys.1044.62340
Figure C2 Number of rare morphospecies for the FP and TF forest (P = 0.04).
Figure 7 from: Riley Peterson KN, Browne RA, Erwin TL (2021) Carabid beetle (Coleoptera, Carabidae) richness, diversity, and community structure in the understory of temporarily flooded and non-flooded Amazonian forests of Ecuador. In: Spence J, Casale A, Assmann T, Liebherr JК, Penev L (Eds) Systematic Zoology and Biodiversity Science: A tribute to Terry Erwin (1940-2020). ZooKeys 1044: 831-876. https://doi.org/10.3897/zookeys.1044.62340
Figure 7 Rank abundance distribution curves for FP (blue squares) and TF (green circles) forests.
Figure 3 from: Kotze D, Brandmayr P, Casale A, Dauffy-Richard E, Dekoninck W, Koivula M, Lovei G, Mossakowski D, Noordijk J, Paarmann W, Pizzoloto R, Saska P, Schwerk A, Serrano J, Szyszko J, Taboada Palomares A, Turin H, Venn S, Vermeulen R, Zetto Brandmayr T (2011) Forty years of carabid beetle research in Europe – from taxonomy, biology, ecology and population studies to bioindication, habitat assessment and conservation. ZooKeys 100: 55-148. https://doi.org/10.3897/zookeys.100.1523
Figure 3 - Examples of pitfall trap placements across a forest edge.
Figure 4 from: Kotze D, Brandmayr P, Casale A, Dauffy-Richard E, Dekoninck W, Koivula M, Lovei G, Mossakowski D, Noordijk J, Paarmann W, Pizzoloto R, Saska P, Schwerk A, Serrano J, Szyszko J, Taboada Palomares A, Turin H, Venn S, Vermeulen R, Zetto Brandmayr T (2011) Forty years of carabid beetle research in Europe – from taxonomy, biology, ecology and population studies to bioindication, habitat assessment and conservation. ZooKeys 100: 55-148. https://doi.org/10.3897/zookeys.100.1523
Figure 4 - Cylindera germanica (Photo by Jinze Noordijk)
Figure 4 from: Harry I, Drees C, Hofer H, Assmann T (2011) When to sample in an inaccessible landscape: a case study with carabids from the Allgäu (northern Alps) (Coleoptera, Carabidae). ZooKeys 100: 255-271. https://doi.org/10.3897/zookeys.100.1531
Figure 4 - Sample-based rarefaction curves. Numbers refer to the different sampling periods.
Figure 1 from: Harry I, Drees C, Hofer H, Assmann T (2011) When to sample in an inaccessible landscape: a case study with carabids from the Allgäu (northern Alps) (Coleoptera, Carabidae). ZooKeys 100: 255-271. https://doi.org/10.3897/zookeys.100.1531
Figure 1 - The study area "Alpe Einödsberg". Position of some sampling sites is indicated.
Figure 2 from: Šerić Jelaska L, Dumbovich V, Kucinic M (2011) Carabid beetle diversity and mean individual biomass in beech forests of various ages. ZooKeys 100: 393-405. https://doi.org/10.3897/zookeys.100.1536
Figure 2 - MIB values (mg) compared to the age of the forests stands (years).
FIGURE 5 in Abacaecus n. gen. walterrossii n. sp., a notable hypogean carabid species from Sierra Leone, Western Africa (Coleoptera, Carabidae, Pterostichinae)
FIGURE 5. Optical microscope images of Pterostillichus caecus Straneo: a) habitus of holotype (scale bar = 1 mm), b) aedeagus in left lateral view, c) aedeagus in dorsal view, d) labels of holotype.
FIGURE 4 in Abacaecus n. gen. walterrossii n. sp., a notable hypogean carabid species from Sierra Leone, Western Africa (Coleoptera, Carabidae, Pterostichinae)
FIGURE 4. Temporary stream in Gola Rainforest National Park, Sierra Leone (type locality of Abacaecus walterrossii n. sp.) during the dry season.
FIGURE 6 in Abacaecus n. gen. walterrossii n. sp., a notable hypogean carabid species from Sierra Leone, Western Africa (Coleoptera, Carabidae, Pterostichinae)
FIGURE 6. SEM images of body parts of Pterostillichus caecus Straneo: a) head in right lateral view, b) mentum, c) base of pronotum and elytra, d) metatarsum, e) prosternal intercoxal process.
FIGURE 3. A in Description of the larva of Catadromus lacordairei Boisduval, 1835 (Coleoptera: Carabidae), a threatened carabid, from Tasmania, Australia
FIGURE 3. A) Pronotum; B) Mesonotum; C) Metanotum; D) Urogomphi and pygidium; E) Leg, middle, lateroventral aspect.
FIGURES 11–16. Trichotichnus fukuharai Habu, 1957 in New data on carabid beetles of Trichotichnus s. str. (Coleoptera: Carabidae) of Yunnan (China) and adjacent areas, with description of six new species and two new subspecies
FIGURES 11–16. Trichotichnus fukuharai Habu, 1957 (11, 15 & 16, Yunnan; 12–14, Sichuan). 11 & 12, terminal lamella of aedeagus; 13, 14, median lobe of aedeagus; 15, gonocoxite; 16, laterotergite, gonosubcoxite, and gonocoxite. Dorsal (11, 12 & 14), lateral (13 & 15) and ventral (16) views. Scale bars: A = 0.5 mm (11, 12, 15 & 16), B = 1.0 mm (13 & 14).
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