Synomone-mediated interactions between the parasitoidDiaeretiella rapae andBrevicoryne brassicae under field conditions M. TitayavanM. A. Altieri OriginalPaper Pages: 499 - 507
A new species ofAphidius [Hymenoptera] attacking the pea aphid,Acyrthosiphon pisum Jia-Hua ChenD. GonzálezJ. Luhman OriginalPaper Pages: 509 - 514
Sustained biological control of the cassava mealybugPhenacoccus manihoti [Hom.: Pseudococcidae] byEpidinocarsis lopezi [Hym.: Encyrtidae] in Nigeria W. N. O. HammondP. Neuenschwander OriginalPaper Pages: 515 - 526
Distribution and abundance ofErynniopsis antennata [Dipt.: Tachinidae] andTetrastichus brevistigma [Hym.: eulophidae], two introduced elm leaf beetle parasitoids in Northern California S. H. DreistadtD. L. Dahlsten OriginalPaper Pages: 527 - 536
Experimentelle analyse der infektion und des entwicklungszyklus vonMalamoeba scolyti inDryocoetes autographus [Coleoptera: scolytidae] J. -F. KirchhoffE. Führer OriginalPaper Pages: 537 - 544
Commercial inundative releases ofTrichogrammatoidea cryptophlebiae [Hym.: Trichogrammatidae] againstCryptophlebia leucotreta [Lep.: Tortricidae] in citrus P. J. NewtonW. J. Odendaal OriginalPaper Pages: 545 - 556
Histopathology of an aphid,Schoutedenia lutea, parasitized by a gall midge,Pseudendaphis sp Ross M. LardnerD. Hales OriginalPaper Pages: 557 - 567
Seasonal variations in numbers, biomass and breeding patterns of dung beettles [Coleoptera: Scarabaeidae] in Southern France A. A. KirkM. M. H. Wallace OriginalPaper Pages: 569 - 581
Evaluation ofMicrothrix inconspicuella, [Lepidoptera: Pyralidae], a potential biological control agent forEmex australis in Australia, carried out in apple orchards in South Africa R. C. H. Shepherd OriginalPaper Pages: 583 - 587
Horizontal transmission of mycotic infection in adult tsetse,Glossina morsitans morsitans G. P. KaayaM. A. Okech OriginalPaper Pages: 589 - 600
Fecundity, reproductive rate, longevity, and intrinsic rate of increase of an aphidiid parasitoidLysiphlebia mirzai R. N. TripathiR. Singh OriginalPaper Pages: 601 - 610
Influence de la nature et de l'abondance des proies sur l'augmentation des effectifs de deux coccinelles prédatrices de la cochenille du manioc au Congo A. KiyindouB. Le RüG. Fabres OriginalPaper Pages: 611 - 620
Rearing phonotactic parasitoid flies [Diptera: Tachinidae, ormiini, ormia spp.] S. A. WineriterT. J. Walker OriginalPaper Pages: 621 - 632
Occurrence and impact ofPhytomyza orobanchia [Diptera: Agromyzidae] onOrobanche crenata [Orobanchaceae] in Syria K. -H. LinkeC. VorlaenderM. C. Saxena OriginalPaper Pages: 633 - 639
Zur biologie des hyperparasitoidenAlloxysta fuscicornis (=AA. Ancylocera) [Hym.: Charipidae] A. A. NahifG. Madel OriginalPaper Pages: 641 - 651
Evaluation ofHadena perplexa [Lepidoptera: Phalaenidae] as a biocontrol agent of bladder campionSilene vulgaris [Caryophyllaceae] in Canada: Rearing and host specificity D. P. PeschkenJ. L. Derby OriginalPaper Pages: 653 - 657
Note on the natural enemies ofPsylla hyalina [Homoptera: Psyllidae] onAlbizia lebbeck C. PeterP. NagarathinamB. V. David Note Brève Pages: 659 - 660