摘要
本文是作者对山东省中南部地区蚜茧蜂种类调查的结果.共鉴定出12属25种,其中新种1种,山东省新记录种17种,72%的种类为农作物,林果上蚜虫的寄生蜂;有些种类发生量大,对蚜虫抑制作用显著,如乌兹别克蚜茧蜂、烟蚜茧蜂、菜蚜茧蜂等.调查记录了获得的蚜茧蜂种类、寄主及分布,并对新种作了描记.
In this paper 12 genera and 25 species of Aphidiidae from south-central area of Shandong Province are recorded,in which one species is new to science,and eighteen are the first report in Shandong(marked with an asterisk).The hosts and distribution of all species are listed. Pauesia taianensis Let Ji,sp.nov.(Fig.l) Female:Head transverse dorsally,smooth and shiny with sparse short hairs,which is wider than thorax.Eyes oval with medium size.Ocellar triangle obtuse.Tentorial index 0.5. Antennae 16-17 segmented;apical segment of flagella 1.5-2.5 times as long as any other seg- ment of the flagella.Notaulices distinct frontally.Pterostigma triangular,2.7 times as long as wide,metacarpus 1/3-1/2 shorter than pterostigma,radial abscissa l a little longer than abscissa 2.Propodeum central areola broad;a central longitudinal carina in the hind portion. Abdomen lanceolate;petiole slender,3 times as long as wide at spiracles with rugose suface and long sparse hair,and with prominent central carina and prominent longitudinally rugosisties;spiracular tubercles prominent.Ovipositor sheath stout. Coloration:Head dark brown;antennae brown except 2-3 segments proceding apical segment yellowish.Wings infumatcd.Abdomen yellow brownish.Legs yellowish to yellow brownish.Ovipositor sheath dark brown. Length of body:2.3-2.7mm. Male:Length of body 1.9mm.Antennae 20-segmented.Petiole 2 times as long as wide at spiracles,more parallel-sided.All segments of antennae brown.Resembling the female except sexual differences. Holotype:♀,allotype:♂,paratypes:2♀♀:Taian,Shandong,24-V,1990,L Nan,ex Cinara tu.ju.filina.Deposited in the Department of Plant Protection,Hebei Agricultural Uni- versity,Baoding,China. The new species resembles Pauesia in.fulata(Haliday),but may be separated from the lat- ter by its 16-17 segmented antennae and its longitudinal carinae in the post-median area of propodeum.Radial abscissa l a little longer than abscissa 2.
出处
《华东昆虫学报》
1992年第1期4-9,共6页
Entomological Journal of East China