Guidelines for safety tests and registration of bacterial pesticides H. D. BurgesA. KriegHuguette de Barjac OriginalPaper Pages: 225 - 235
Parasitism byPerilitus coccinellae [Hym.: Braconidae] of indigenous coccinellid hosts and the introducedCoccinella septempunctata [Col.: Coccinellidae], with notes on winter mortality B. CartwrightR. D. EikenbaryG. W. Angalet OriginalPaper Pages: 237 - 243
Predators and parasites of temporary row crop pests: Agents of irreplaceable mortality or scavengers acting prior to other mortality factors? Davy Jones OriginalPaper Pages: 245 - 265
Cytogenetic studies in mammalian cells after treatment with insect pathogenic viruses [Baculoviridae]. I.In vivo studies with rodents R. ReimannH. G. Miltenburger OriginalPaper Pages: 267 - 276
Within-tree response of Nantucket pine tip moth,Rhyacionia frustrana [Lep.: Tortricidae] Parasitoids to varying host densities J. H. LashombA. L. Steinhauer OriginalPaper Pages: 277 - 281
Pathogenesis of infection by the hyphomycetous fungus,Tolypocladium cylindrosporum inAedes sierrensis andCulex tarsalis [Dip.: Culicidae] George G. Soarés Jr. OriginalPaper Pages: 283 - 299
Evaluation ofStethorus nigripes [Col.: Coccinellidae] for biological control of spider mites in California almond orchards Marjorie A. HoyKatherine B. Smith OriginalPaper Pages: 301 - 310
Natural enemies ofLymantria dispar [Lep.: Lymantriidae] eggs in Central Pennsylvania, U.S.A., and a review of the world literature on natural enemies ofL. dispar eggs M. W. BrownE. Alan Cameron OriginalPaper Pages: 311 - 321
Agressivité deConidiobolus obscurus vis-a-vis du puceron du pois,Acyrthosiphon pisum (Hem.: Aphididae] 1.-Comportement des conidies sur la cuticule avant la pénétration du tube germinatif dans l'insecte J. -P. LatgéB. PapierokL. Sampedro OriginalPaper Pages: 323 - 330
Field observations on impact of egg parasiteTelenomus remus [Hym.: Scelionidae] on tobacco caterpillar,Spodoptera litura [Lep.: Noctuidae] in tobacco nurseries in Andhra Pradesh, India B. G. JoshiS. SitaramaiahG. Ramaprasad OriginalPaper Pages: 331 - 334
The host specificity ofHartigia albomaculatus (Hym.: Cephidae] and its potential effectiveness in the biological control of European blackberry E. Bruzzese OriginalPaper Pages: 335 - 342
Observations onCheyletus cacahuamilpensis, a predator of the tenuipalpid miteDolichotetranychus floridanus M. I. MohamedM. A. ZaherM. F. Hassan OriginalPaper Pages: 343 - 347
Development time ofCoccinella septempunctata in relation to constant temperatures[Col.: Coccinellidae] George D. Butler Jr. OriginalPaper Pages: 349 - 352