SAPROXYLIC BEETLES (COLEPTERA)- INDICATORS OF FOREST ECOSYSTEM CONSERVATION

Abstract

Istraživanje saproksilnih kornjaša, kukaca usko vezanih uz mrtvo drvo, provedeno je po prvi put na području Parka prirode Kopački rit od travnja do kolovoza 2014. godine. Za uzorkovanje saproksilnih kornjaša korištene su tri metode, na tri različite šumske zajednice u Kopačkom ritu. Ukupno su bile postavljene 72 klopke. Uzorkovano je 1088 jedinki svrstane u 14 porodica i 64 vrste saproksilnih kornjaša. Najbrojnije porodice bile su Cerambycidae, Cetoniidae i Lucanide te vrste Cetonia aurata, Dorcus parallelipipedus i Valgus hemipterus. Najveći broj saproksilnih kornjaša utvrđen je u šumi hrasta lužnjaka s grabom gdje je bilo uzorkovano 620 jedinki, tj. 56,99% od ukupnog broja uzorkovanih jedinki. Najučinkovitija metoda uzorkovanja saproksilnih kornjaša bila je metoda prekinutog leta. Prema IUCN statusu gotovo ugrožene (NT) su tri vrste (Cucujus cinnaberinus, Lucanus cervus, Gnorimus variabilis) dok su tri nedovoljno poznate (DD) od kojih je zadnja i ugrožena vrsta (Protaetia affinis, Omoglymmius germari, Rhysodes sulcatus).Researching of saproxylic coleopteras, a dead wood associated beetles, has been conducted for the first time in Kopački rit Nature park from April to October, 2014. For sampling of saproxylic beetles there were used three methods within three different forest communities in Kopački rit. A total of 72 traps were set during this research. A total of 1088 individuals of saproxylic beetles were caught included within 14 families and 64 species. The most abundant families were Cerambycidae, Cetoniidae and Lucanidae with the most common species Cetonia aurata, Dorcus parallelipipedus and Valgus hemipterus. The most abundant assembleges of saproxylic beetles were found in oak wood forest where 620 individuals or 56,99% of the total number of specimens were caught. The most efficient sampling method was cross-vanes window flight trap.According IUCN Red Liststatus, three species were near threatened (NT) (Cucujus cinnaberinus, Lucanus cervus, Gnorimus variabilis) and three were data deficient species (DD) of which last one is also endangered species (Protaetia affinis, Omoglymmius germari, Rhysodes sulcatus)

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