长白山北坡访花天牛区系研究

通过对长白山北坡访花天牛种类初步调查,结果表明,有访花天牛31种,其中花天牛亚科25种,占80.65%,天牛亚科6种,占19.35%。中国新记录1种:黑翅裸花天牛,优势种10种:北亚伪花天牛、六斑凸胸花天牛、黑胫宽花天牛、黑带宽花天牛、曲纹花天牛、红翅裸花天牛、桦肿腿花天牛、黑角伞花天牛、双斑厚花天牛、刺槐绿虎天牛。优势种访花天牛主要访问的优势种植物为长白金莲花、棣棠升麻、黑水当归、翼果唐松草、珍珠梅、柳兰、大独活。长白山北坡访花天牛种类,主要以古北区系成分为主,随着海拔增高,访花天牛种类逐渐减少,古北区系成分种类增多,古北、东洋区系成份种类减少。

Fauna of flower-visiting longicorn beetles in north slope of Changbai Mountain

A preliminary investigation on the flower-visiting longicorn beetles of the north slope of Changbai Mountain shows that at present there are 31 species of flower-visiting longicorn beetles,of which 25 species belongs to Lepturinae,accounting for 80.65%,and 6 species to Cerambycinae,accounting for 19.35%.One species,Niuellia extensa,is a new records for China.Ten species are dominant: Anastrangalia sequensi,Judolia sexmaculata,Evodinus interrogationis,E.borealis,Leptura arcuata,Niuellia sanguinosa,Oedecnema dubia,Corymbia succedanea,Pachyta bicuneata,Chlorophorus diadema.They mostly visit Trollius japonicus,Aruncus asiaticus,Angelica cincta,Thalictrum aquilegifolium,Sorbaria sorbifolia,Chamaenerion angustifolium and Angelica gigas.The Palaearctic species are the main specie in the north slope of Changbai Mountain.With the rising of altitude,the flower-visiting longicorn beetles gradually become less,the Palaearctic species increase,and the species common to Palaearctic and Oriental regions decrease.