宁夏伪盐库蠓雄虫的发现与描述(双翅目:蠓科)

Description of newly found male Culicoides pseudosalinarius Chu from Ningxia,China(Diptera:Ceratopogonidae)

在鉴定采自我国宁夏回族自治区的库蠓标本期间,新发现了伪盐库蠓的雄虫。标本收藏于沈阳军区疾病预防控制中心。

Newly found male Culicoides pseudosalinarius was described during the specimens identification of genus Culicoides in Ningxia. The specimens were deposited in the Shenyang Command Center for Disease Control and Prevention. Culicoides pseudosalinarius Chu, 1981（♀） Male （Fig. 1）： Wing length 1.04（0.91-1.01）ram, width 0.37（0.35-0.38）mm, costa ratio（CR） 0.50（0.48-0.51）, n = 5. No pubescence between ommatidia; sensilla coeloconica of antenna on 3, 13-14 segments, antermal ratio（AR） 1.03 （1.00-1.06, n = 5） ; third segment of palpus with sensory pit, palpus ratio（PR） 3.36（3.13-3.57, n = 5）. Wing with 11 pale spots, wing with macrotrichia, but basal cell without macrotrichia. 5 apical bristles on the tibia of backlegs, and the second one was the longest. Ninth sternum with wide camber concave, ventral membrane with a few microscopic spicules; Back-margin of ninth tergites flat, and mid-part with ＂V＂ concave; arch height of aedeagus was four-fifth of total length gonapophyses separation. Specimens： There were 3♂3♀ captured by insect net. 2♂ were collected in Yinchuan on 17 August 1980, and others were collected in Zhongning county on 15 July 1975.