1. A consideration of the cephalic structures and spiracles of the final-instar larvae of the Ichneumonidae (Hym.);Beirne;Trans. Soc. Brit. Ent.,1941
2. [Ecological races of Braconids due to parasitism of different Hosts];Bukovskii;Rev. Ent. URSS.,1933
3. Der Buchenspringrüsselkäfer Orchestes fagi und seine wirtschaftliche Bedeutung;Eckstein;Dtsch. Forstztg,1922
4. Monograph of British Bracosidae, Part I;Marshall;Tram. ent. Soc. Lond.,1885
5. The Metamorphosis and Biology of Rhynchaenus alni L. (Coleoptera);Oldham;Ann. appl. Biol.,1928