Abstract
Four species of Ichneumonidae, one species of Pompilidae and one species of Tricogrammidae were observed as the Hymenopterous parasites of the spider (Araneae). Among them Polysphincta varicarinata UCHIDA et MOMOI was recog-nized as the first record in Honshu (Japan) and its host has been hitherto un-known.
The parasites and their hosts are listed as follows;
1) Phobetes sp.; Chorizopes nipponicus YAGINUMA (egg)
2) Zatypota albicoxa (WALKER); Theridion tepidariorum C. KocH (adult or larva)
3) Tromatobia nipponicus UCHIDA; Argiope amoena (L. KocH) (egg)
4) Polysphincta varicarinata UCHIDA et MOMOI; Meta reticuloides YAGINUMA (adult or larva)
5) Homonotus iwatai YASUMATSU; Chiracanthium gratiosum SAITO (adult)
6) Unidentified; Chorizopes nipponicus YAGINUMA (egg)
