Usage of Fermental Traps for the Study of the Species Diversity of Coleoptera in Open Biotopes

Ruchin, Alexander B.; Egorov, Leonid V.; Khapugin, Anatoliy A.

doi:10.3390/insects14040404

Cited by 5 publications

(7 citation statements)

References 83 publications

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“…This may be related to their life strategy, for example, the difference between saproxylic and non-saproxylic species ( Bouget et al, 2009 ) or floricolous species ( Ruchin, Egorov & Khapugin, 2021 ). The most frequently captured family was Nitidulidae, which is consistent with other studies using beer traps ( Ruchin et al, 2021 ; Ruchin, Egorov & Khapugin, 2023 ). The most recorded species was Cryptarcha strigata , 48% of sampled beetles.…”

Section: Discussionsupporting

confidence: 90%

“…This contrasts with Touroult & Witté (2020) , who found liquid bait traps suitable for assessing species richness status. For example, with beer traps, Ruchin, Egorov & Khapugin (2023) captured a high number of saproxylic (deadwood dependent) beetles in meadow biotopes. Spina et al (2023) searched significant correlations with some saproxylic species, and the use of beer traps can bias such results.…”

Section: Discussionmentioning

confidence: 99%

“…Each window trap has a reservoir with trapping liquid to capture and preserve entomological material for further analysis. Besides aqueous solutions with different preservatives, fermenting (attractive) liquids are also used to study beetle communities ( Ruchin, Egorov & Khapugin, 2023 ). Some studies have used beer, wine, and vinegar as trapping fluids to assess beetle biodiversity in relation to surrounding environmental conditions ( Ruchin & Egorov, 2021 ; Nakládal et al, 2022 ; Spina et al, 2023 ) or to monitor target groups, e.g.…”

Section: Introductionmentioning

confidence: 99%

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Trapping liquids may bias the results of beetle diversity assessment

Nakládal,

Havránková,

Zumr

2023

PeerJ

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Several different techniques and methods are used to capture and study beetles (Coleoptera). One option is the use of window traps with various trapping liquids. However, these liquids used in comparative studies may have a biasing effect on the results. The effectiveness of the frequently used liquid baits, involving beer, wine, vinegar, and water as the reference liquid, was compared in this study. Twenty-four traps were assigned to two habitat categories (sunny and shady) and four kinds of bait: beer, wine, vinegar, and water. During the study from June to July 2021, a total of 29,944 invertebrates were captured; of these, 3,931 individuals belonged to Coleoptera. A total of 3,825 beetles were identified, belonging to 120 species and 36 families. The most abundant family was Nitidulidae, with 3,297 adults (86% of the total). The number of arthropods differed only in the trapping liquid, and the captures were similar between beer and wine and between vinegar and water. The trapping liquid had a more significant effect on beetle abundance and species richness. In contrast, exposure had a significant effect only on the number of beetle species and a higher ratio of beetles was found in the shade. Beer and wine were very attractive and collected similar beetle communities. However, the diversity (Shannon’s index) was low due to the high abundance of several species. Traps with vinegar and water collected a similar composition and species richness. After removing sap beetles (Nitidulidae) from all traps, a significant difference was still recorded between trapping liquids in the number of individuals and species, and their communities were much more similar. Thus, at high abundances of sap beetles, it is possible to exclude them from analyses and obtain more accurate data when assessing environmental variables. The results showed that the type of trapping liquids used can have substantial effects on abundance and species composition captured beetles in traps especially for beer and wine. The beer and wine in traps can significantly influence the subsequent biodiversity assessment. We recommend the use of trapping liquids without the baiting effect to correctly assess the effect of environmental variables on beetle richness and abundance.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Trapping liquids may bias the results of beetle diversity assessment

Nakládal,

Havránková,

Zumr

2023

PeerJ

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“…Our study investigated the effectiveness of using beer traps at low altitudes to study Coleoptera biodiversity in burned areas. The methodology has been extensively studied in open biotopes and forest edges [33,56,57] and can be applied to analyze biodiversity,…”

Section: Discussionmentioning

confidence: 99%

“…Bait made of beer and sugar was poured into the bottom of the container [ 32 ]. One trap was set per plot, with the trap set at a height of 1.5 m, hanging below a small wooden tripod [ 33 ]. Traps were checked depending on weather conditions after 7–14 days.…”

Section: Methodsmentioning

confidence: 99%

Post-Fire Coleoptera Fauna in Central Russian Forests after the 2021 Fires (Study Using Beer Traps)

Egorov,

Ruchin,

Fayzulin

2024

Insects

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Fires can significantly impact forest ecosystems. However, studies on the effects of fires on insect communities in post-fire plots in natural forests are rare. This study presents an analysis of the Coleoptera fauna in the forests of the Mordovia State Nature Reserve (European Russia) in 2022 and 2023 after a fire. Insects were sampled from burned plots (9) in 2010 and 2021, as well as unburned (control) plots (2), and alpha diversity was compared. After processing the material, we examined a total of 12,218 Coleoptera specimens from 38 families and identified 194 species. The families Nitidulidae, Cerambycidae, Elateridae, and Scarabaeidae were the most abundant across all plots. Cerambycidae, Elateridae, Nitidulidae, Staphylinidae, Coccinellidae, and Scarabaeidae exhibited the greatest species diversity. In total, 17 species were found on all plots, including Cetonia aurata, Protaetia cuprea volhyniensis, Trogoderma glabrum, Carpophilus hemipterus, Epuraea biguttata, Glischrochilus grandis, Glischrochilus hortensis, Glischrochilus quadripunctatus, Soronia grisea, Pediacus depressus, Chrysanthia geniculata, Anastrangalia reyi, Leptura quadrifasciata, Leptura thoracica, Lepturalia nigripes, Rhagium mordax, and Anisandrus dispar. Only five species exhibited preferences for certain plots. Maximum abundance and species diversity were observed on unburned (control) plots. The plots where fires occurred in 2010 and 2021 had the lowest total abundance values for Coleoptera. These fires destroyed almost all potential sites for beetle settlement, feeding, breeding, and shelter. Traps recorded a higher abundance of Coleoptera in the first year after fires compared to the second year. The Coleoptera fauna showed the greatest similarity on the control plots.

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Factors affecting catches of bark beetles and woodboring beetles in traps

Dodds,

Sweeney,

Francese

et al. 2024

J Pest Sci

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The use of semiochemical-baited traps for detection, monitoring, and sampling bark beetles and woodboring beetles (BBWB) has rapidly increased since the early 2000s. Semiochemical-baited survey traps are used in generic (broad community level) and specific (targeted toward a species or group) surveys to detect nonnative and potentially invasive BBWB, monitor established populations of invasive or damaging native species, and as a tool to survey natural communities for various purposes. Along with expansion in use, much research on ways to improve the efficacy of trapping surveys for the detection of specific pests as well as BBWB in general has been conducted. In this review, we provide information on intrinsic and extrinsic factors and how they influence the efficacy of detecting BBWB in traps. Intrinsic factors, such as trap type and color, and other factors are described, as well as important extrinsic factors such as habitat selection, horizontal and vertical placement, and disturbance. When developing surveys, consideration of these factors should increase the species richness and/or abundance of BBWB captured in traps and increase the probability of detecting nonnative species that may be present. During generic surveys, deploying more than one trap type or color, using an array of lures, and trapping at different vertical and horizontal positions is beneficial and can increase the number of species captured. Specific surveys generally rely on predetermined protocols that provide recommendations on trap type, color, lure, and trap placement.

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Usage of Fermental Traps for the Study of the Species Diversity of Coleoptera in Open Biotopes

Cited by 5 publications

References 83 publications

Trapping liquids may bias the results of beetle diversity assessment

Trapping liquids may bias the results of beetle diversity assessment

Post-Fire Coleoptera Fauna in Central Russian Forests after the 2021 Fires (Study Using Beer Traps)

Factors affecting catches of bark beetles and woodboring beetles in traps

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