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Fig. 7 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 7. Number of Mothocya parvostis collected at tidal levels: low tide, 1/3 tide, 2/3 tide, and high tide during the three days of sampling.

Fig. 6 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 6. Temporal variation in water temperature from October 2020 to December 2021. The gap in data is due to faulty logging equipment.

Fig. 8 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 8. Number of Mothocya parvostis collected on each sampling date (solid line) and tidal levels (broken line) from November 15 (new moon) to December 15 (new moon).

Fig. 5 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 5. Number of cymothoid juveniles collected in each month from October 2020 to December 2021. Dot bars (red) indicate Mothocya parvostis and diagonal right pattern bars (blue) indicate Ceratothoa verrucosa. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 4 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 4. Number of cymothoid mancae collected in each month from October 2020 to December 2021. Dot bars (red) indicate Mothocya parvostis, diagonal right pattern bars (blue) indicate Ceratothoa verrucosa, diagonal left pattern bars (green) indicate Ceratothoa carinata. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 3 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 3. Dorsal views of cymothoid free-swimming stages collected by the light trap. (a) and (d): Mothocya parvostis, (b) and (e): Ceratothoa verrucosa, (c): Ceratothoa carinata. (a)–(c): mancae, (d) and (e): juveniles. Scale bars indicate (a)–(c): 1 mm, (d) and (e): 3 mm.

Fig. 2 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 2. Map showing location of the Seto Inland Sea and sampling site, where light trap sampling was performed.

Fig. 1 in Quatrefoil light traps for free-swimming stages of cymothoid parasitic isopods and seasonal variation in their species compositions in the Seto Inland Sea, Japan

Fig. 1. The quatrefoil light trap using in this study. (a): front view, (b): bottom view without net, (c): Light traps in use underwater. A: 15 W LED fishing light, B: Net to collect organisms in trap (0.5 mm mesh).

opencc-zeroJan 2024View details →

Linked collectors and determiners for: Catches of numerous insect species in Rothamsted 160W light trap at Devonport, Tasmania, 1992-2019.

Natural history specimen data linked to collectors and determiners held within, "Catches of numerous insect species in Rothamsted 160W light trap at Devonport, Tasmania, 1992-2019". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/044f96bc-3bf2-4a38-9f7c-8808ab48dbf1">https://bionomia.net/dataset/044f96bc-3bf2-4a38-9f7c-8808ab48dbf1</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/044f96bc-3bf2-4a38-9f7c-8808ab48dbf1">https://gbif.org/dataset/044f96bc-3bf2-4a38-9f7c-8808ab48dbf1</a>. Formatted as a Frictionless Data package.

Figure 3 in Effects of Ultraviolet Light and Pheromone Release Rate in Trapping Coconut Rhinoceros Beetles, Oryctes rhinoceros (Coleoptera: Scarabaeidae), on Guam

Figure 3. Capture rates (mean ± SE) of beetle caught in double-vaned bucket. UV = trap equipped with UV LED diodes, RL = trap with reduced release rate of oryctalure, SL = trap with standard release rate of oryctalure. Comparisons of mean trap capture between traps with and without UV light and between traps with different oryctalure release rates are shown at right. Bars with different letters indicate significantly different means (UV light: t-test, Lure: ANOVA, Tukey's HSD).

Figure 4 in Effects of Ultraviolet Light and Pheromone Release Rate in Trapping Coconut Rhinoceros Beetles, Oryctes rhinoceros (Coleoptera: Scarabaeidae), on Guam

Figure 4. Capture rate as a function of oryctalure release rate for traps without (A) and with (B) ultraviolet light emitting diodes. UV = trap equipped with UV LED diodes, RL = trap with reduced release rate of oryctalure, SL = trap with standard release rate of oryctalure. Lines are ordinary least-squares fits. The equation for traps without UV LEDs is y = 0.0059 + 0.0015x; slope is not significantly different from zero (P = 0.118). The equation for traps with UV LEDs is y = 0.0182 + 0.0070x; slope is significantly different from zero (P = 0.005).

Figure 2. Reduced release rate pheromone dispenser. A 2 in Effects of Ultraviolet Light and Pheromone Release Rate in Trapping Coconut Rhinoceros Beetles, Oryctes rhinoceros (Coleoptera: Scarabaeidae), on Guam

Figure 2. Reduced release rate pheromone dispenser. A 2 mm hole in the tops of the Eppendorf centrifuge tube allows a slow release of the attractant oryctalure. The bottle shown acts as a rain and wind shield. This entire release device is placed within a bucket trap for field deployment.

Figure 1 in Effects of Ultraviolet Light and Pheromone Release Rate in Trapping Coconut Rhinoceros Beetles, Oryctes rhinoceros (Coleoptera: Scarabaeidae), on Guam

Figure 1. Trap line locations, from north to south, were located at the University of Guam Agricultural Experiment Station in Yigo, the GICC Golf Course in Dededo, the Temple Baptist Church in Chalan Pago, the Leo Palace Golf Course in Yona, the Windward Hills Golf Course in Yona, and the Chargalauf Farm in Inarajan. An on-line interactive version of this map is available at https://github.com/ aubreymoore/CRB- trapimprovement/ blob/master/map.geojson.

opencc-by-4.0May 2022View details →

Data files for the manuscript "Moth light traps perform better with vanes"

This upload contains the datasheets for the manuscript titled "Moth light traps perform better with vanes: A comparison of different designs" submitted to the Journal of Applied Entomology in May 2022. Datasheets contain the raw data, species list and a complete list of R packages used.

dryad36/100

Light and malaise traps tell different stories about the spatial variations in arthropod biomass and method-specific insect abundance

1. Conclusions reached in meta-analyses of changes in insect communities may be influenced by method-specific sampling biases, which may lead to inappropriate conservation measures. 2. We argue that the contradictory conclusions regarding terrestrial insect biomass, abundance and richness patterns are, at least partly, due to methodological limitations that reflect taxon-specific responses to environmental changes. 3. In this study, light and Malaise traps were simultaneously deployed to sample insects at 52 plots in a temperate forest in Germany along gradients of elevation (> 1000 m) and canopy openness (3 - 100 %). These gradients were used as predictors in models of total arthropod biomass according to the two trapping methods, and in models of abundance and richness of three commonly targeted groups: nocturnal moths, sampled using light traps, and hoverflies and bees, collected with Malaise traps. 4. A comparison of the total arthropod biomass obtained with the two methods revealed contrary results along the canopy openness gradient. Biomass in light traps showed a decreasing trend with increasing canopy openness while biomass in Malaise traps increased. The same opposing pattern was found for the abundance of selected taxa. 5. The different patterns describing spatial variation of arthropod communities obtained using light and Malaise traps can be explained by differences in the taxa predominantly collected. Regarding the ongoing debate on insect decline, our results demonstrate that comparing different taxa from different taxon-specific traps is inappropriate. Thus, we recommend that future meta-analyses take into account the sampling methods and taxon-specific responses to environmental changes.

opencc-zeroJun 2022View details →

opencc-by-4.0Dec 2004View details →

Fig. 4 in A New Measure Of Conservation Value Combining Rarity And Ecological Diversity: A Case Study With Light Trap Collected Caddisflies (Insecta: Trichoptera)

Fig. 4. The relationship between diversity (D) and rarity (RAR-index) of the samples

opencc-by-4.0Oct 2016View details →

Figure 2 in Pseudoscorpions in Cyprus: at a light trap and nocturnal activities

Figure 2. Hysterochelifer cyprius by moth-trap on the patio table. Image credits. © Ian Barton.

opencc-by-4.0Oct 2016View details →

Figure 1 in Pseudoscorpions in Cyprus: at a light trap and nocturnal activities

Figure 1. Hysterochelifer cyprius on moth-trap and eating a fly. Image credits. © Ian Barton.

opencc-by-4.0Jan 2016View details →

Figure 1 in Effects of agroecosystems on insect and insectivorous bat activity: a preliminary finding based on light trap and mist net captures

Figure 1. Map of Sekyere Central District showing study area (Kwamang) in Ghana.