Host specificity ofCostesia yakutatensis [Hym.: Braconidae] on lepidoptera in peppermint and alfalfa J. C. MillerK. J. West OriginalPaper Pages: 227 - 232
Patch-exploitation patterns in an egg parasite of elm leaf beetle L. E. EhlerR. L. BuggK. Thorarinsson OriginalPaper Pages: 233 - 239
Predation and parasitism of cotton leafworm eggs,Alabama argillacea [Lep.: Noctuidae] S. GravenaJ. A. Pazetto OriginalPaper Pages: 241 - 248
Collections of natural enemies ofLeptinotarsa decemlineata [Coleoptera: Chrysomelidae] in Mexico, 1980–1985 P. A. LoganR. A. CasagrandeF. A. Drummond OriginalPaper Pages: 249 - 254
Parasitism in diversified agroecosystems: Phenology ofTrichogramma minutum [Hymenoptera: Trichogrammatidae] D. A. AndowS. J. Risch OriginalPaper Pages: 255 - 260
Selection on the male hemizygous genotype in arrhenotokous insects and mites Abraham HavronDavid RosenJosef Hillel OriginalPaper Pages: 261 - 268
Parasites and predators of pyrrhocoroidea [Hemiptera], and possible control of cotton stainers byPhonoctonus spp. [Themiptera: Reduviidae]] Carl W. SchaeferI. Ahmad OriginalPaper Pages: 269 - 275
A new diet for reproduction of two predaceous mitesAmblyseius gossipi andAgistemus exsertus [Acari: Phytoseiidae, stigmaeidae] A. H. RasmyM. E. ElbagouryA. S. Reda OriginalPaper Pages: 277 - 280
The biology and behaviour ofIphiaulax varipalpis [Hymenoptera: Braconidae] as a parasite ofDirphya nigricornis [Coleoptera: Cerambycidae] F. M. E. WanjalaB. M. Khaemba OriginalPaper Pages: 281 - 289
The predators' complex of pear-feeding psyllids in unsprayed wild pear trees in greece L. A. Santas OriginalPaper Pages: 291 - 297
Avoidance of super-parasitism of stem-boring larvae byChasmodon apterus [Hym.: Braconidae] D. MooreM. S. Ridout OriginalPaper Pages: 299 - 302
Functional response of pacific damsel bug,Nabis kinbergii [Hemiptera: Nabidae] A. B. SiddiqueR. B. Chapman OriginalPaper Pages: 303 - 309