目的 调查黑龙江省萝北县吸血蠓种类分布。方法 采用诱虫灯和挥网法采集吸血蠓。结果 2009－2013年在萝北县采获吸血蠓26 827只,计1属30种,其中包括一新种和一中国新纪录:萝北库蠓,新种Culicoides luobeiensis Liang et Liu, sp. nov.。该新种与类环斑库蠓(C. subcircumscriputus Yu,1982)相近似,但类环斑库蠓翅径5室和中1脉端部各有1个小淡斑;雌虫触角嗅觉器分别在3、11~14节;雄虫尾器第9腹板膜有微毛,第9背板后缘侧突细长,抱器基节腹踝缺如,阳基侧突基部内侧无小刺突与本新种明显不同。阿拉库蠓〔C. alazanicus Dzhafarov,1961(♀)〕为中国新纪录。结论 为黑龙江省萝北县吸血蠓的种类分布提供了科学依据。模式标本保存在沈阳军区疾病预防控制中心(沈阳 110034)。

Objective To determine the species of hematophagous midges in Luobei county, Heilongjiang province, China.Methods Light traps and insect nets were used to capture the midges. Results A total of 26 827 bloodsucking midges (30 species, one genus) were captured in Luobei county from 2009 to 2013. A new species of the genus Culicoides, C. luobeiensis Liang et Liu, sp. nov., was reported. The new species was closely allied to C. subcircumscriptus Yu, 1982, but C. subcircumscriptus Yu, 1982 had the following distinct differences: presence of little pale spots on cell R5 and the distal portion of vena M1; in females, presence of sensilla coeloconica on segments 3, 11-14; in males, presence of spiculae on the ventral membrane of the ninth sternum, stout apicolateral processes on the ninth tergum, absence of the ventral root of basistyle, and absence of small pricks inside the paramere bases. C. alazanicus Dzhafarov, 1961 (♀) was recorded for the first time in China. Conclusion This investigation provides a basis for further study on the species distribution of hematophagous midges in Luobei county, Heilongjiang province. The type specimens are deposited in the Shenyang Military Command Center for Disease Control and Prevention (Shenyang 110034, China).