Community features of Scarabaeoidea larvae in Stipa grandis steppe

Abstract

Abstract: The study showed that in the Stipa grandis steppe of Inner Mongolia,there were 4 families and 9 species of Scarabaeoidea larvae,among which,the numbers of species and individuals of Melolonthidae were more than those of other families.The important value of the dominant species in Scarabaeoidea larvae community were Trematodes tenebrioides >Serica orientalis >Amphimallon solstitialis >Cyriopertha arcuata.Based on the features of their seasonal dynamics,they could be classified into three kinds.The first kind was that their density peak occurred in spring and autumn,such as Serica orientalis.Cyriopertha arcuata belonged to the second kind,and its density had no obvious fluctuation through all the year.Trematodes tenebrioides and Amphimallon solstitialis could be classified into the third kind,and their density peak all occurred in autumn.The biodiversity index of Scarabaeoidea larvae community was relatively higher in autumn than in spring and summer.Although the richness of Scarabaeoidea larvae populations was not lower in spring,their composition was very simple.

Key words: Stipa grandis steppe, Scarabaeoidea larvae community, Biodiversity

CLC Number:

Q958.1

LIU Xinmin, WU Ning . Community features of Scarabaeoidea larvae in Stipa grandis steppe[J]. Chinese Journal of Applied Ecology, 2004, (9): 1607-1610.

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