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The Megaspilidae are a small hymenopteran family with 12 genera in two subfamilies, and some 450 known species, with a great many species still undescribed. It is a poorly known group as a whole, though most are believed to be parasitoids (especially of sternorrhynchan Hemiptera), and a few hyperparasitoids. Many are found in the soil, and of these, a number are wingless. The family is distinguished from the closely related Ceraphronidae by having a very large stigma in the wing, a relatively constricted metasomal petiole, and three grooves in the mesoscutum. ==References== *Alekseev, V. N., 1978/1987 Family Megaspilidae (Megaspilids). In: G. S. Medvedev (ed.) 1987, ''Keys to the Insects of the European Part of the USSR''. Vol. 3 Hymenoptera, Pt. 2. Akad. Nauk., Zool. Inst., Leningrad, SSSR. (trans. fr. Russian, Amerind. Publ. Co., Pvt. Ltd., New Delhi). 1341 p. *Johnson, N.F. & Musetti, L., 2004. Catalog of systematic literature of the superfamily Ceraphronoidea Hymenoptera).''Contributions of the American Entomological Institute'' 33: 1-149 *Watson, L., and Dallwitz M.J., 2003. ''British insects: the families of Hymenoptera''.Version: 16 July 2011 () 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Megaspilidae」の詳細全文を読む スポンサード リンク
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