Economics of the cassava mealybug [Phaenacoccus Manihoti; Hom.: Pseudococcidae] biological control program in Africa Richard B. Norgaard Opinions Pages: 3 - 6
Genetic variability in arrhenotokous and thelytokous forms ofMesochorus nigripes [Hym.: Ichneumonidae] A. C. F. HungW. H. DayR. C. Hedlund OriginalPaper Pages: 7 - 15
Parasitoid-host relationship betweenTrioxys (Binodoxys) Indicus [Hymenoptera: Aphidiidae] andAphis Craccivora [Hemiptera: Aphididae]. VI. Impact of males on the number of progeny of the parasitoid reared on certain host plants Arvind KumarS. ShankerC. P. M. Tripathi OriginalPaper Pages: 17 - 23
Release in Manitoba, Canada oftownesilitus bicolor [HYM.: Braconidae], an European parasite ofPhyllotreta spp. [Col.: Chrysomelidae] H. G. Wylie OriginalPaper Pages: 25 - 32
Control ofThrips tabaci [Thysanoptera: Thripidae] on glasshouse cucumber using large introductions of predatory mitesAmblyseius barkeri [Acarina: Phytoseiidae] Lise Stengård Hansen OriginalPaper Pages: 33 - 42
Biology and life tables for the predaceous earwig,Doru taeniatum [Derm.: Forficulidae] R. W. JonesF. E. GilstrapK. L. Andrews OriginalPaper Pages: 43 - 54
Resistance ofSpodoptera frugiperda [Lep.: Noctuidae] to a nuclear polyhedrosis virus in the field and laboratory J. R. FuxaF. L. MitchellA. R. Richter OriginalPaper Pages: 55 - 63
Influence of the food plants on the degree of parasitism of larvae ofHeliothis armigera byCotesia kazak S. K. JalaliS. P. SinghChandish R. Ballal OriginalPaper Pages: 65 - 71
Activity persistence of granulosis viruses [Baculoviridae] in soils in United Kingdom and Denmark L. ØgaardC. F. WilliamsO. Zethner OriginalPaper Pages: 73 - 80
Pre-release assessment ofNanaia sp. [Lepidoptera: Phycitidae] fromOpuntia pascoensis for biological control ofOpuntia aurantiaca [Cactaceae] J. H. Hoffmann OriginalPaper Pages: 81 - 86
The effects of foliar fungicides on beneficial arthropods in wheat fields N. W. SothertonS. J. Moreby OriginalPaper Pages: 87 - 99
Life history of the importedScymnus (Nephus) Reunioni [Col.: Coccinellidae] predator of mealybugs S. S. IzhevskyA. D. Orlinsky OriginalPaper Pages: 101 - 114
Seasonal parasitism by egg parasites of the yellow rice borer,Scirpophaga incertulas [Lepidoptera: Pyralidae] Indrani S. Hikim OriginalPaper Pages: 115 - 124