木虱跳小蜂属一新种及一新记录种(膜翅目:跳小蜂科)

One New Species and One Newly Recorded Species of the Genus Psyllaephagus Ashmead From China (Hymenoptera: Encyrtidae)

报道寄生木虱的２种跳小蜂．其中一个为新种，即密毛木虱跳小蜂Ｐｓｙｌｌａｅｐｈａｇｕｓ ｄｅｎｓｉｃｉｌｉａｔｕｓｓｐｎｏｖ，标本采自云南省另一种为梧桐木虱跳小蜂Ｐｓｙｌｌａｅｐｈａｇｕｓ ｓｔｅｎｏｐｓｙｌｌａｅ（Ｔａｃｈｉｋａｗａ），系我国首次记录．

Two species of the genus Psyltaephagus Ashlnead were reported from China, one new to science andanother newly recorded in China. The type specimens were deposited in the Collection of Pest Natural Enemies, Faculty of Life Science, Hubei University.1 Psyllaephagus densiciliatus sp. nov. (Figs. 1 ~ 5)This new species is similar to Psyllaephagu choleinellus Myartseva and Psyllaephagu chtanganus Prinsloo, butdiffers in followings: 1 ) scutellum concolour with mesoscuturn metallic green, genae and face purplish red, antennaedark brown with scape yellowish brown; 2) mandible with one tooth and one broad truncahon; 3) scape about 4. 5times as long as wide and first funicle segment about two thes as long as wide, all segments of circle longer thanwide and with long rhindria; 4) ovipositor longer than mid - tibia and about 5 times as long as gonostyli; 5 ) antennafunicle of male with short setae and paraments of genitalia go beyond apex of digih.Holotype , paratypes 4 4 , Meizi County, YUlinan Province, China, November, 1988, ex. Psyllid.2 Psyllaepharw stenopsyllae (Tachikawa)This species is newly recorded in China.Host: Thysanogyna limbata Enderlein (on Finniana simpler ).Distribution: China(Huhei Province), Japan.