A New Record of The Genus Neurotoma (Hymenoptera,Pamphiliidae) to China

A new record of the genus Neurotoma,Neurotoma sibirica Gussakovskij to China was reported in this paper.The external morphology of the egg,larva and pupa was recorded for the first time.Neurotoma sibirica Gussakovskij,1935, a new record to China Female:body black, shinning; the following areas pale yellowish-white: a spot near the top of inner-orbit, tegula, spots near two sides of posterior margins of abdominal terga 4～6,central part of posterior margin of sternum 6, basal half of anal vein (A1)of forewing, apical part of trocantor and femur, posterior part of tibia; anterior parts of fore legs and middle legs and posterior part of tarsus brown, tarsi of hind legs blackish brown; teeth of mandible deep brown; pterostigma and veins except the basal half of 1A of forewing black, shinning; wing subhyaline; wing membrane grayish, outer margin, anterior part of posterior margin gray.Head behind eyes almost not constricted; clypeus with anterior margin truncate, central part convex, both sides concave; frontal carina sharp; median fovea round, deep; lateral sutures and transverse suture distinct; length of postocellar area about as long as its width; postgenal carina distinct; scutum of mesothorax roundly convex; mesoscutellum deeply concave; cell C of forewing pilose.Punctures on clypeus and frons rather dense; distance between punctures greater than diameter of an ocellus; paraantennal fields shinning; punctures of temple and postocellar field larger and rare, distance between punctures greater than diameter of an ocellus; punctures of tergum of mesothorox rare, punctures of mesepisterum dense; abdominal terga with very fine punctures.Apex of sawsheath see fig.1.Body length about 11 mm;forewing length about 8 mm; antenna 22-segmented, attaining only to abdomen.Male:the male is similar to the female in coloration, structure (except external genitalia) and puncture.External genitalia see fig.2,9th abdominal sternum see fig.3.body length about 7 mm;forewing length about 5 mm; antenna 22-segmented,attaining only to abdomen.Egg:oblong,yellowish white,length about 4 mm,width about 2 mm.Larva:head brownish; thorax and abdomen yellow; anterior part of antenna, coxa of thoracic leg, anterior part of trochanter, anterior part of subanal appendage, convex line of suranal plate black; prothoracic shield brownish black; apex of lacinia with 5 setae; second segment of subanal appendage with 4 setae at anterior ventral surface; apical part of suranal plate with hairs; body length about 15 mm.Pupa: yellowish white; compound eye and ocellus black; antenna extending to 2nd segment of abdomen; length of female pupa about 15 mm, of male pupa about 9 mm.Distribution: Haicheng County, Liaoning Province, China; Korea (GW, HB); E. Siberia, Sakalin; Japan (Hokkaido); Kurile Is; (Shikotan Is).Host plant:Sorbaria sorbifolia(L.)A.Br.;Sorbaria sorbifolia var.stillipila Maxim.(Shinohara, 1980);Rosaceae.Chinese material examined: 8 ♀♀ 12♂♂,2003.Ⅴ.08,Chen Tianlin leg;14 ♀♀ 4♂♂,2004.Ⅳ.23,Chen Tianlin leg;Haicheng County, Liaoning Province,China.