contents number 1 NOTES TO CONTRIBUTORS... SYSTEMATICS Variable Enzyme Systems in the Hymenoptera L. Packer & R. E. Owen Variation in Cyanogenesis within and among Populations and Species of Turnera series Canaligerae (Turneraceae) J. S. Shore & C. M. Obrist .. A Rare Chloroplast-DNA Structural Mutation iss Shared by all Conifers L. A. Raubeson & R. K. Jansen Chemical Diversity in Cupressus bakeri 1. Megagametophyte FattyA cids Z. Raftii, L. G. Cool, R. Jonas & E. Zavarin Flavonoids of Brazilian Species of Leiothrix (Eriocaulaceae) A. L. Dokkedal & A. Salatino . . Volatile Constituents of Achillea abrotanoides in Relation to their Infrageneric Variation E. Hanlidou, S. Kokkini & E. Kokkalou Interspecific Variation of Phenolic Concentrations ii n Persistent Leaves among Six Taxa from Subgenus Tridentatae of Artemisia (Asteraceae) F. M. Wilt, J. D. Geddes, R. V. Tamma, G. C. Miller & R. L. Everett Seasonal Variation of Coumarin and Flavonoid Concentrations in Persistent Leaves of Wyoming Big Sagebrush (Artemisia tridentata ssp. wyomingensis: Asteraceae) F. M. Wilt & G. C. Miller Taxonomic Significance of Alkaloids in the Genus Adenocarpus (Fabaceae-Genisteae) R. Greinwald, P. Bachmann, L. Witte, J. R. Acebes-Grinoves & F.-C. Czygan Distribution and Taxonomic Significance of Alkaloids in the Genista cinerea Agregat R. Greinwald, P. Canto, P. Bachmann, L. Witte & F.-C. Czygan BOOK REVIEWS number 2 ECOLOGY The Effects of an Organophosphate Insecticide on Two Enzyme Loci in the Shrimp Caradina sp. J. M. Hughes, M. W. Griffiths & D. A. Harrison Changes in Phenolic Production in the Hay-scented Fern (Dennstaedtia punctilobula) in Relation to Resource Availability C. D. Dustin & G. A. Cooper-Driver CONTENTS SYSTEMATICS The Secretion of the Ventral Glands in Nematus Sawfly Larvae J.-L. Boevé, K. Dettner, W. Francke, H. Meyer& J. M. Pasteels. . Phylogenetic Implications of the Structure—Function Relationships of Tubulin P. Chéne, H. Mazarguil & P. Rougé Variability of Foliar Mono- and Sesquiterpenoids of Cupressus bakeri Z. Rafii, L. G. Cool & E. Zavarin Terpene Variability of Mainland Pinus radiata L. G. Cool & E. Zavarin Anthocyanins from Reproductive Structures in1 Pinaceae @. M. Andersen Flavonoid Glycoside Variation iin Wild Specimens of Centaurea montana (Compositae) J.-F. Gonnet Distribution and Taxonomic Significance of Major Alkaloids in the Genus Podalyria B.-E. van Wyk, G. H. Verdoorn & A. L. Schutte Chemistry of Zanthoxylum rhoifolium: A New Secofuroquinoline Alkaloid M. S. P. Arruda, J. B. Fernandes, P. C. Vieira, M. F. Das G. F. da Silva & J. R. Pirani. Associations Between Allozyme Phenotypes and Soil Nutrients in a Natural Population of Jack Pine (Pinus banksiana) Chang Yi Xie & P. Knowles NEW SOURCE REPORT Phenolics of Spanish Launaea Species R. M. Giner, J. Diaz, S. Mafiez, M. C. Recio, C. Soriano & J. L. Rios BOOK REVIEWS CORRIGENDA number 3 ECOLOGY Ecological Aspects of Antioxidant Enzymes and Glutathione-S- transferases in Three Papilio Species K. Lee & M. R. Berenbaum Volatile Insecticidal Compounds and Chemical Variability of Hawaiian Zanthoxylum (Rutaceae) Species K. L. Marr & C. S. Tang SYSTEMATICS Genetic Diversity in Thelytokous Oribatid Mites (Acari; Acariformes: Desmonomata) S. C. Palmer & R. A. Norton . CONTENTS Biochemical Systematics of Notothenioid Fishes from Antarctica M. A. McDonald, M. H. Smith, M. W. Smith, J. M. Novak, P. E. Johns & A. L. Devries Clone Bank and Physical Map of Sedum album (Crassulaceae) Chloroplast DNA R. C. H. J. van Ham, T. H. M. Mes, H. ‘t Hart & J. M. Sandbrink Chemical and Cytological Investigation of Thalictrum minus from Vojvodina Region M. Popovic, R. Djurkovié, O. Gaié, B. Pai, H. Dutschewska & B. Kuzmanov Significance of Flavonoid Chemistry in the Egyptian Fagonia glutinosa and F. isotricha Complexes S. A. M. Al-Wakeel NEW SOURCE REPORTS Constituents of Degeneria vitiensis Heartwood R. C. Cambie, A. R. Lal & M. G. Pausler Distribution and Taxonomic Significance of Flavonoids in the Genus Eugenia (Myrtaceae) N. W. Haron, D. M. Moore & J. B. Harborne . Kaempferol and Quercetin Di- and Triglycosides from Physalis peruviana Leaves C. A. Elliger, J. A. Eash & A. C. Waiss Jr number 4 ECOLOGY Ecology Review Paper Biochemical Defence of Pro-oxidant Plant Allelochemicals by Herbivorous Insects S. Ahmad Research Papers Allozyme Variation in Reference and Metal-Exposed Natural Populations of Orchesella cincta (Insecta: Collembola) F. Frati, P. P. Fanciulli & L. Posthuma. Antifeedant Activity of Dihydro-8-Agarofuran Sesquiterpenes from Celastraceae against Spodoptera littoralis A. G. Gonzdlez, |. A. Jiménez, A. G. Ravelo, X. Bellés & M? D. Piulachs Nutrient-Dependent Expression of a Vegetative-Specific Gene of Dictyostelium discoideum C. E. McPherson & C. K. Singleton SYSTEMATICS Mitochondrial tRNA and the Phylogenetic Position of Nematoda R. Brandl, W. Mann & M. Sprinz!/ Aminopeptidase Activity from the Hepatopancreas of Procambarus clarkii M. de la Ruelle, M. Hajjou, F. Van Herp & Y. Le Gal . . CONTENTS Volatile and Odorous Compounds from the Bryozoan Biflustra perfragilis A. J. Blackman, N. W. Davies & C. E. Ralph. The Chemical Defence of Doryphorina ‘Beetles (Coleoptera: Chrysomelidae) M. Timmermans, T. Randoux, D. Daloze, J.-C. Braekman, J. M. Pastee/ls &L. Lesage .. Species Specificity of Dufour’ s Gland Morphology and Volatile Secretions in Kleptoparasitic Sphecodes Bees (Hymenoptera: Halictidae) J. Tengd, M. Sick, M. Ayasse, W. Engels, B. G. Svensson, G. Lubke & W. Francke Inconsistency of Biochemical Evolutionary Rates Affecting ‘Allozyme Divergence Within the Genus Apodemus (Muridae: Mammalia) G. B. Hartl, F. Suchentrunk, R. Willing, J. Markowski & H. Ansorge Betaines and Tertiary Sulphonium Compounds from 62 Species of Marine Algae G. Blunden, B. E. Smith, M. W. Irons, re He — O. G. Roch & A. V.. Patel «.. ; Fatty Acids of the Stachyoideae P. D. Marin, V. Sajdl, S. Kapor, B. Tatié, B. Petkovié & S. Duletié NEW SOURCE REPORTS Pyrrolizidine Alkaloids from Senecio oxyphylius, a Brazilian Poisonous Plant J. R. Liddell, F. R. Stermitz & C. S. L. de Barros ai Methyl Glycosinolate Confirmed in Puccionia and Dhofaria (Capparidaceae) B. Luning, L. E. Kers & P. Seffers number 5 SYSTEMATICS Immunodetection of Africanized Honey Bee (Hymenoptera: Apidae) Specific Proteins A. C. F. Hung Allozyme Variation and Systematics of African Mole-rats (Rodentia: Bathyergidae) L. L. Janecek, R. L. Honeycutt, /. L. Rautenbach, B. H. Erasmus, S. Reig & D. A. Schiitter Chemotaxonomy of Age/as (Porifera: Demospongiae) J.-C. Braekman, D. Daioze, C. Stoller & R. W. M. van Soest Genetic Structure of Thuja orientalis Chang Yi Xie, B. P. Dancik & F. C. Yeh Exudate Flavonoids from Aerial Parts of Four Cleome Species M. Sharaf, R. M. A. Mansour & N. A. M. Saleh CONTENTS Phenolics of Reichardia and their Taxonomic Implications M. C. Recio, R. M. Giner, M. Hermenegildo, J. B. Peris, S. Maniez & J.-L. Rios see ee Bis Les Flavonoides du Genre Vicia M. Torck & M. Pinkas. Constitutive Flavonoids and Induced Isoflavonoids as Taxonomic Markers in the Genus Vigna G. |. Seneviratne & J. B. Harborne Fatty Acids Variation in Sapindaceae R. E. Abburra, J. A. Zygadio & C. A. Guzman. . lridoid Glycosides from Castilleja purpurea and C. indivisa, and Quinolizidine Alkaloid Transfer from Lupinus texensis to C. indivisa via Root Parasitism F. R. Stermitz & M. Pomeroy The Distribution of Acteoside Among Angiosperms R. Scogin NEW SOURCE REPORT Flavonoids from the Leaf Surface of Godmania aesculifolia (Bignoniaceae) F. R. Stermitz, R. L. Arslanian & O. Castro BOOK REVIEWS number 6 ANNOUNCEMENT ECOLOGY UV Effects on Photosynthesis, Proteins and Pigmentation in the Flagellate Euglena gracilis: Biochemical and Spectroscopic Observations S. Gerber & D.-P. Hader Are Differences in the Responses Between North American and Australasian Marine Herbivores to Phlorotannins Due to Differences in Phiorotannin Structure? l. A. van Altena & P. D. Steinberg Antifungal Activity of Ripe Ericaceous Fruits: Phenolic—Acid Interactions and Palatability for Dispersers M. L. Cipollini & E. W. Stiles CONTENTS SYSTEMATICS Biochemical Systematics of the North American Pteronarcys (Pteronarcyidae: Plecoptera) M. Wright & M. M. White Intra- and Interspecific Genetic Variability in Ctenomys (Rodentia: Ctenomyidae) M. H. Gallardo & R. E. Palma Echinoderm (Holothuria atra) Lactate Dehydrogenase: Affinities with the Putative Ancestral Chordate Enzyme J. Baldwin, A. Patak & K. Mortimer Silica Distribution in Ascidian Ovaries, a Tool for Systematics F. Monniot, R. Martoja & C. Monniot Fatty Acid Composition of Two Strains of Helisoma trivolvis (Gastropoda) B. Fried, K. S. Rao & J. Sherma What do Glands tell us about Species? A Chemical Case Study of Cataglyphis Ants S. J. Keegans, E. D. Morgan, D. Agosti & R. Wehner .. Fatty Acid Variability in Some Mentha Species M. Maffei & S. Scannerini a es The Alkaloids of Hesperolaburnum platycarpum (Fabaceae: Genisteae): Chemotaxonomic Implications R. Greinwald, P. Bachmann, L. Witte & F.-C. Czygan .. NEW SOURCE REPORTS External and Vacuolar Flavonoids from Nepeta transcaucasica F. A. Tomas-Barberan, M. |. Gil, S. lvancheva & F. Tomas-Lorente Chromenes from Arnica lessingii and A. amplexicaulis |. Merfort, C. M. PaBreiter & G. Willuhn Exudate Flavonoids of Mimulus lewisii B. A. Bohm number 7 SYSTEMATICS lsozyme Analysis of Kenyan Phlebotomine Sandflies (Diptera: Psychodidae) by Isoelectric Focusing (IEF) on Pharmacia Phast System™ H. Mahamat, A. Hassanali, H. — M. J. 5 i S. Mihok & N. N. Massamba : de CONTENTS Patterns of Divergence Within the Genus Urophora Inferred from mtDNA Restriction Fragments W. Mann & R. Brandl Genetic Variability in a Hybrid Zone Between Carrion and Hooded Crows (Corvus corone corone and C. c. cornix, Passeriformes, Aves) in North-Western Italy N. Saino, R. Lorenzini, G. Fusco & E. Randi Taxonomic Implications of SDS-PAGE Analyses of Seed Proteins in North American Taxa of Festuca Subgenus Festuca (Poaceae) S. G. Aiken, S. E. Gardiner & M. B. Forde lsoenzyme Electrophoretic Studies Among Some Species of the Genus Erucastrum and Hirschfeldia incana (Cruciferae: Brassiceae) with Reference to their Chemotaxonomic Relationships M. D. Sanchez-Yelamo .. Immunological Investigations on Distribution of the S2 Albumin in the Leguminosae (Papilionoideae) J. Przybylska, R. Manteuffel & F. Bisby Leaf Protein Contents and Amino Acid Patterns of Dicotyledonous Plants H.-H. Yeoh, Y.-C. Wee & L. Watson Volatile Constituents of Achillea millefolium in Relation to their Infraspecific Variation E. Kokkalou, S. Kokkini & E. Hanlidou .. Chemotaxonomic Analysis of Pappobolus (Asteraceae: Heliantheae) O. Spring, J. L. Panero & E. E. Schilling Identification of Lotus tenuis (Waldst. et Kit.) Flavonoids C. D. Strittmatter, M. L. Wagner, M. Kade & A. A. Gurni The Essential Oils of the Genus Neofabricia (Myrtaceae) J. J. Brophy & J. R. Clarkson Chemometric Approach (Flavonoids) in an Automatic Recognition of Modern Rose Cultivars J.-P. Biolley, M. Jay & J.-P. Barbe NEW SOURCE REPORTS Flavonol Glycosides from Lysimachia barystachys K. Yasukawa, M. Yoshida, S. Yamanouchi, M. Takido, H. S. Kim & 1. H. Kim a “ mo a “4 i : Triterpenes from the Fruit of Elaeocarpus chelonimorphus R. C. Cambie, A. R. Lal, P. S. Rutledge & P. D. Woodgate CONTENTS number 8 ECOLOGY Detoxification of Naturally Occurring Chromenes in Larvae of the Generalist Herbivore Spodoptera littoralis (Noctuidae) M. Randriaminahy, L. Witte, A. Kunze, V. Wray & P. Proksch .. SYSTEMATICS The Population Genetic Structure of Ctenomys porteousi (Rodentia: Octodontidae) A. Massarini, H. J. Dopazo, J. L. Bouzat, E. Hasson & O. A. Reig The Population Genetics of the Ostracode Cyprinotus incongruens on the Basis of Esterase Markers T. Sywula Immunological Relationships of the South American Frog Genus Eupsophus (Leptodactylidae) J. R. Formas & L. Brieva lsoenzymatic Analysis of Some Freshwater Anabaena Strains from Southern Italy A. Musacchio, P. Caputo & E. Bonelli A Comparison of the Carotenoids of Strains of Oscillatoria and Spirulina (Cyanobacteria) T. Aakermann, O. M. Skulberg & S. Liaaen-Jensen Distribution of Anthocyanins in Aceraceae Leaves Shi-Bao Ji, M. Yokoi, N. Saito & Long-Sheng Mao Polyacetylenes of Brazilian Species of Didymopanax (Araliaceae) A. F. Magalhaes, E. G. Magalhaes, H. F. Leitao Filho & V. Nunes Junior v2 é e 53 ‘ - ue Flavonoids of Pallenis spinosa (Asteraceae) A. A. Ahmed, M. Spaller & T. J. Mabry NEW SOURCE REPORT Familial Assignment of Polypremum: Evidence from Phenolic Chemistry R. Scogin & V. Romo-Contreras