Bowdan, G. A. Wyse 709 Tourniaire, A. Ferran, J. Gambier, 721 Giuge, F. Bouffault Coccinellidae V. Nunes, J. Hardie 727 Fo´nagy, N. Yokoyama, K. Okano, Tatsuki, Maeda, Matsumoto Schmitz, S. Trenner, M. Hofmann, 745 Bleckmann F. Sledge, A. Fortunato, S.

Insect Biochemistry and Molecular Biology 30 2000 525–527 www.elsevier.comlocateibmb Contents of Journal of Insect Physiology VOLUME 46 NUMBER 5, 2000 J. Habibi, E. A. Backus, J. E. Huesing 611 Effects of phytohemagglutinin PHA on the structure of midgut epithelial cells and localization of its binding sites in western tarnished plant bug, Lygus hesperus Knight J. S. Hosler, J. E. Burns, H. E. Esch 621 Flight muscle resting potential and species-specific differences in chill- coma

G. A. Horridge

629 Visual discrimination of radial cues by the honeybees Apis mellifera

L. A. Sagarra, D. D. Peterkin, C. Vincent,

647 Immune response of the hibiscus mealybug, Maconellicoccus hirsutus

R. K. Stewart Green Homoptera: Pseudococcidae, to oviposition of the parasitoid

Anagyrus kamali Moursi Hymenoptera: Encyrtidae

J. T. Irwin, R. E. Lee Jr 655

Mild winter temperatures reduce survival and potential fecundity of the goldenrod gall fly, Eurosta solidaginis Diptera: Tephritidae

R. Wilson, N. A. Ratcliffe 663

Effect of lysozyme on the lectin-mediated phagocytosis of Bacillus cereus by haemocytes of the cockroach, Blaberus discoidalis

A. Langer, T. Hance 671

Overwintering strategies and cold hardiness of two aphid parasitoid species Hymenoptera: Braconidae: Aphidiinae

C. Clarebrough, A. Mira, D. Raubenheimer 677

Sex-specific differences in nitrogen intake and investment by feral and laboratory-cultured cockroaches

R. C. Jamroz, F. D. Guerrero, J. H. Pruett, 685

Molecular and biochemical survey of acaricide resistance mechanisms in D. D. Oehler, R. J. Miller larvae from Mexican strains of the southern cattle tick, Boophilus microplus

J. T. Vogt, A. G. Appel, M. S. West 697

Flight energetics and dispersal capability of the fire ant, Solenopsis invicta Buren

E. Bowdan, G. A. Wyse 709

Temporally patterned activity recorded from mandibular nerves of the isolated subesophageal ganglion of Manduca

R. Tourniaire, A. Ferran, J. Gambier, 721

Locomotory behavior of flightless Harmonia axyridis Pallas Col.,

L. Giuge, F. Bouffault Coccinellidae

M. V. Nunes, J. Hardie 727

The effect of temperature on the photoperiodic ‘clock’ and ‘counter’ of a Scottish clone of the vetch aphid, Megoura viciae

A. Fo´nagy, N. Yokoyama, K. Okano,

735 Pheromone-producing cells in the silkmoth, Bombyx mori: identification S. Tatsuki, S. Maeda, S. Matsumoto and their morphological changes in response to pheromonotropic stimuli H. Schmitz, S. Trenner, M. H. Hofmann, 745 The ability of Rhodnius prolixus Hemiptera; Reduviidae to approach a

H. Bleckmann

thermal source solely by its infrared radiation

M. F. Sledge, A. Fortunato, S. Turillazzi, 753

Use of Dufour’s gland secretion in nest defence and brood nutrition by

E. Francescato, R. Hashim, G. Moneti, hover wasps Hymenoptera, Stenogastrinae

G. R. Jones D. J. Borash, V. A. Pierce, A. G. Gibbs, 763 Evolution of ammonia and urea tolerance in Drosophila melanogaster:

L. D. Mueller resistance and cross-tolerance

C. A. Stoltzman, C. Stocker, D. Borst, 771 Stage-specific production and release of juvenile hormone esterase from

B. Stay the ovary of Diploptera punctata

Y. Yamamoto, Y. Yamahama, K. Katou, 783 Bombyx acid cysteine protease BCP: hormonal regulation of

S. Watabe, S Y. Takahashi biosynthesis and accumulation in the ovary