Liu, Y; Axmacher, JC; Li, L; Wang, C; Yu, Z; (2007) Ground beetle (Coleoptera : Carabidae) inventories: a comparison of light and pitfall trapping. B ENTOMOL RES , 97 (6) 577 - 583. 10.1017/S0007485307005299.

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Abstract

Carabid inventories gained via pitfall trapping were compared to manual samples from light towers. A comparison of the two methods indicated that pitfall traps recorded a significantly higher diversity of carabids and were efficient in indicating changes of habitat conditions. Nevertheless, this method failed to give near-complete inventories of all carabid species present. Manual sampling at light towers resulted in far greater sample sizes, and this method was particularly efficient in monitoring potential pest species, but again failed to record all species present. Both methods hence showed different strengths, and only a combination, potentially also including further sampling techniques, will enable the generation of complete species inventories.

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