Boucek, Z. 1988. Australasian Chalcidoidea (Hymenoptera): a biosystematic revision
of genera of fourteen families, with a reclassification of species. C.A.B. International,
Oxon.
Brothers, D.J. 1975. Phylogeny and classification of the aculeate Hymenoptera, with
special reference to Mutillidae. Kans. Univ. Sci. Bull. 50:483-648.
Carpenter, J. M. 1987. On the evolutionary genetics of social wasps and the phylogeny
of the Vespinae (Hymenoptera, Vespidae). Insectes Sociaux 34(1): 58-64.
Crozier, R. H. 1975. Hymenoptera. Borntraeger, Berlin; Stuttgart.
Danforth, B. D. 1989. The evolution of hymenopteran wings: The importance of size.
Journal Of Zoology 218(2): 247-276.
Dowton, M. and A. D. Austin. 1994. Molecular phylogeny of the insect order Hymenoptera:
Apocritan relationships. Proc. Natl. Acad. Sci. USA 91:9911-9915.
Fergusson, N. D. M. 1988. A comparative study of the structures of phylogenetic importance
of female genitalia of the Cynipoidea (Hymenoptera). Systematic Entomology 13(1):
13-30.
Gauld, I. and Bolton, B. 1988. The Hymenoptera. British Museum (Natural History);
Oxford University Press, London; Oxford; New York.
Gibson, G.A.P. 1985. Some pro- and mesothoracic structures important for phylogenetic
analysis of Hymenoptera, with a review of terms used for the structures. Can. Ent.
117:1395-1443.
Gibson, G.A.P. 1986. Evidence for the monophyly and relationships of Chalcidoidea,
Mymaridae, and Mymarommatidae (Hymenoptera: Terebrantes). Can. Ent. 118:205-240.
Johnson, N. F. 1988. Midcoxal articulations and the phylogeny of the order Hymenoptera.
Annals Of The Entomological Society Of America 81(6): 870-881.
Krombein, K. V. 1979. Catalog of Hymenoptera in America north of Mexico. Smithsonian
Institution Press, Washington.
Leluk, J., J. Schmidt, et al. 1989. Comparative studies on the protein composition
of hymenopteran venom reservoirs. Toxicon 27(1): 105-114.
Plant, J. D. and H. F. Paulus. 1987. Comparative morphology of the postmentum of
bees (Hymenoptera: Apoidea) with special remarks on the evolution of the lorum. Zeitschrift
Fuer Zoologische Systematik Und Evolutionsforschung 25(2): 81-103.
Quicke, D. L. J., M. G. Fitton, et al. 1992. Phylogenetic implications of the structure
and distribution of ovipositor valvilli in the Hymenoptera (Insecta). Journal Of
Natural History 26(3): 587-608.
Quicke, D. L. J., S. N. Ingram, et al. 1992. Sperm structure and ultrastructure in
the Hymenoptera (Insecta). Zoologica Scripta 21(4): 381-402.
Ronquist, F., A.P. Rasnitsyn, A. Roy, K. Eriksson, and M. Lindren. 1999. Phylogeny of the Hymenoptera: A cladistic reanalysis of Rasnitsyn's data (1988) data. Zoological Scripta, 28:13-50.
Ross, K.G., Matthews, R.W. (eds.) 1991. The Social Biology of Wasps. Cornell University Press, Ithaca, NY.
Saini, M. S. 1986. Comparative studies on the metapostnotal modifications in suborder
Symphyta and Hymenoptera Parasitica. Journal Of Entomological Research 10(1): 85-90.
Schmidt, J. O., M. S. Blum, et al. 1986. Comparative enzymology of venoms from stinging
Hymenoptera. Toxicon 24(9): 907-922.
Schoenitzer, K. and G. Lawitzky. 1987. A phylogenetic study of the antenna cleaner
in Formicidae, Mutillidae, and Tiphiidae (Insecta, Hymenoptera). Zoomorphology 107(5):
273-286.
Vilhelmsen, L. 1997. The phylogeny of lower Hymenoptera (Insecta), with a summary
of the early evolutionary history of the order. Journal of Zoological Systematics
and Evolutionary Research, 35:49-70.
Whitfield, J. B., N. F. Johnson, et al. 1989. Identity and phylogenetic significance
of the metapostnotum in nonaculeate Hymenoptera. Annals Of The Entomological Society
Of America 82(6): 663-673.
Whitfield, J.B. 1998. Phylogeny and evolution of host-parasitoid interactions in
Hymenoptera. Annual Review of Entomology, 43:129-151.