Universal Chalcidoidea Database

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Paanzavolta, R.; Tiberi, R. 2010, Observations on the life cycle of Pissodes castaneus in central Italy. Bulletin of Insectology 63(1):45-50     view Paanzavolta, R.; Tiberi, R.  (2010) in PDF format
Pacala, S.W.; Hassell, M.P. 1991, The persistence of host-parsitoid associations in patchy environments. II. Evaluation of field data. American Naturalist 138(3):584-605    
Pacheco M., F. 1973, Advances in the evaluation of liberating the wasp Trichogramma sp. in the control of the shootworm in Sonora, Mexico. Folia Entomol├│gica Mexicana 25/26:88-89    
Keywords: Biological control
Pacheco M., F.; Carrillo S., J.L.; Monge C., J.; Covarrubias G., R. 1971, Progress in the evaluation of parasitism by the wasps Trichogramma spp. on eggs of cotton bollworms in Sonora in 1969. Agricultura T├ęcnica en Mexico 3(2):53-57    
Pacheco, D.J.P.; Correa Ferreira, B.S.; Oliveira, M.C.N. de 1999, Dynamics of stink bug pests and egg parasitoids in relation to soybean phenology. Arquivos do Instituto Biologico, Sao Paulo 66(1):1-8    
Keywords: Percentage parasitism; Parasitism
Pack, H.J. 1930, Notes on miscellaneous insects of Utah. Bulletin of the Utah Agricultural Experiment Station 216:1-30    
Pack, H.J.; Fife, L.C. 1930, Notes on miscellaneous insects of Utah. Bulletin of the Utah Agricultural Experiment Station Supplement 216:27-31    
Packard, A.S. 1864, The humble bees of New England and their parasites; with notices of a new species of Anthophorabia, and a new genus of Proctotrupidae. Proceedings of the Essex Institute 4:107-140    
Keywords: Hosts; Taxonomy
Packard, A.S. 1868, The parasites of the honey-bee. American Naturalist 2:195-205    
Keywords: Hosts
Packard, A.S. 1869, A guide to the study of insects, 1st Edition :715pp Henry holt & Co.    
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