摘要
长崎齿瓢虫属Afissula Kapur自1955年建属以来,经各国学者不断发现及重新组合,迄今已报导13种。云南省以往没有这个属的记载,曹诚一等(1984)在整理云南省森林病虫普查标本时,发现沧源县有环管崎齿瓢虫Afissula kambaitana(Bielawski)的新分布,在瑞丽县发现了匙管畸齿瓢虫A.spatulata Cao et Xiao。1988年作者之一王红在云南永德县采到长崎齿瓢虫属昆虫6头,经鉴定为1新种,现记述如下。模式标本保存于西南林学院森保研究室。
This paper describes the species A fissula yunnanica new to science. The type specimens are deposited in the Entomological Laboratory of the Southwestern Forestry College.Afissuls yunnanica Cao et Wang, sp. nov. (Figs 1-10)Body elongate oval, distinctly convex, covered with greyish yellow pubescence. Upper side reddish brown. Head, mouth-parts and antennae yellowish brown. Eyes black, pronotum reddish brown with one large black spot. Five black spots on each elytrum, the spots arranged in the order of 2, 2, 1. Antenna 11-segmented. Metasternum and first abdominal line subcomplete, the outer margin reaching to about 4 / 5 the hind margin of the first sternum.Fifth sternal segment of male truncate, female convex; sixth segment of male broadly convex, female complete.Claw bifurcate with basal tooth.Male genitalia: basal half of median thick and apical half thin in lateral view, quite symmetrical. Parameres about 2 / 3 as long as median lobe. Sipho widened just before end forming a swollen spoon-shaped apex. The female genital plate slender.Length: 3.9-4.1mm. Width:3.3-3.5mm.Holotype (?) (No.88007), allotype (?), paratype: 1 (?) 2 (?) (?), Yongde, Yunnan, 2270m, 16-Ⅷ-1988, collected by Wang Hong.The new species is allied to both A fissula rana Kapur and A. spat ulata Cao et Xiao, but it can be distinguished by its male genitalia. The sipho of the new species is widened just before the end and forms a swollen spoon-shaped apex, terminal part of sipho bluntly round. Median lobe quite symmetrical (Figs 3-5).
关键词
鞘翅目
瓢虫科
食植瓢虫亚科
新种
Coleoptera, Coccinellidae, Epilachninae, new species, Yunnan.