HARDY, I.C.W., 2010. Sex allocation, sex ratios and reproduction. In: BREED, M.D and MOORE, J., eds., Encyclopedia of animal behavior 3. Academic Press Oxford. 146-151
MONADJEM, A., BAMFORD, A.J., HARDY, I.C.W., EARNSHAW, J.K., DALTON, D.L. and KOTZE, A., 2010. Temporal and sex-specific variation in growth rates of Marabou Stork Leptoptilos crumeniferus chicks Ostrich: Journal of African Ornithology. 81, 85-91
BAMFORD, AJ, MONADJEM, A, DIEKMANN, M and HARDY, ICW, 2009. Development Of Non-Explosive-Based Methods For Mass Capture Of Vultures South African Journal Of Wildlife Research. 39(2), 202-208 BAMFORD, AJ, MONADJEM, A, ANDERSON, MD, ANTHONY, A, BORELLO, WD, BRIDGEFORD, M, BRIDGEFORD, P, HANCOCK, P, HOWELLS, B, WAKELIN, J and HARDY, ICW, 2009. Trade-Offs Between Specificity And Regional Generality In Habitat Association Models: A Case Study Of Two Species Of African Vulture Journal Of Applied Ecology. 46(4), 852-860 BENTLEY, T, HULL, TT, HARDY, ICW and GOUBAULT, M, 2009. The Elusive Paradox: Owner-Intruder Roles, Strategies, And Outcomes In Parasitoid Contests Behavioral Ecology. 20(2), 296-304 SWATRIDGE, C., MONADJEM, A. and HARDY, I.C.W., 2009. Regal eagle: the African crowned eagle in Mpumalanga Africa Birds and Birding. 14(55-58),
ODE, P.J. and HARDY, I.C.W., 2008. Parasitoid sex ratios and biological control.. In: WAJNBERG, E. and BERNSTEIN, C. VAN ALPHEN, J.J.M., eds., Behavioral ecology of insect parasitoids: from theoretical approaches to field applications. Blackwell Publishing, Oxford. 253-291
GOUBAULT, M, BATCHELOR, TP, ROMANI, R, LINFORTH, RST, FRITZSCHE, M, FRANCKE, W and HARDY, ICW, 2008. Volatile Chemical Release By Bethylid Wasps: Identity, Phylogeny, Anatomy And Behaviour Biological Journal Of The Linnean Society. 94(4), 837-852 HARDY, I.C.W. and GOUBAULT, M., 2007. Wasp fights: understanding and utilizing agonistic bethylid behaviour. Biocontrol News and Information. 28, 11-15
HARDY, I.C.W. and ODE, P.J., 2007. Why biocontrol practitioners should be more interested in parasitoid sex ratios. Biocontrol News and Information. 28, 49-51
GOUBAULT, M, SCOTT, D and HARDY, ICW, 2007. The Importance Of Offspring Value: Maternal Defence In Parasitoid Contests Animal Behaviour. 74, 437-446 GOUBAULT, M, MACK, AFS and HARDY, ICW, 2007. Encountering Competitors Reduces Clutch Size And Increases Offspring Size In A Parasitoid With Female-Female Fighting Proceedings Of The Royal Society B-Biological Sciences. 274(1625), 2571-2577 GARDNER, A, HARDY, ICW, TAYLOR, PD and WEST, SA, 2007. Spiteful Soldiers And Sex Ratio Conflict In Polyembryonic Parasitoid Wasps American Naturalist. 169(4), 519-533 GOUBAULT, M., BATCHELOR, T.P., LINFORTH, R.S.T., TAYLOR, A.J. and HARDY, I.C.W., 2006. Volatile emission by contest losers revealed by real-time chemical analysis Proceedings of the Royal Society of London B. 273(1603), 2853-2859 MESTERTON-GIBBONS, M, HARDY, ICW and FIELD, J, 2006. The Effect Of Differential Survivorship On The Stability Of Reproductive Queueing Journal Of Theoretical Biology. 242(3), 699-712 KARSAI, I, SOMOGYI, K and HARDY, ICW, 2006. Body Size, Host Choice And Sex Allocation In A Spider-Hunting Pompilid Wasp Biological Journal Of The Linnean Society. 87(2), 285-296 HARDY I.C.W., ODE, P.J. and SIVA-JOTHY, M., 2005. Mating Behaviour. In: JERVIS, M., ed., Insects as natural enemies: a practical perspective 2nd Ed. Spinger. 219-260
HARDY, I.C.W., ODE, P.J. and SIVA-JOTHY, M., 2005. Mating Systems. In: JERVIS, M., ed., Insects as natural enemies: a practical perspective 2nd Ed. Spinger. 261-298
GUINNEE, MA, BERNAL, JS, BEZEMER, TM, FIDGEN, JG, HARDY, ICW, MAYHEW, PJ, MILLS, NJ and WEST, SA, 2005. Testing Predictions Of Small Brood Models Using Parasitoid Wasps Evolutionary Ecology Research. 7(5), 779-794
MESTERTON-GIBBONS, M. and HARDY, I.C.W., 2004. The influence of contests on optimal clutch size: a game-theoretic model. Proceedings of the Royal Society of London B: Biological Sciences. 271(1542), 971-978 REYNOLDS, KT and HARDY, ICW, 2004. Superparasitism: A Non-Adaptive Strategy? Trends In Ecology & Evolution. 19(7), 347-348 PEREZ-LACHAUD, G, BATCHELOR, TP and HARDY, ICW, 2004. Wasp Eat Wasp: Facultative Hyperparasitism And Intra-Guild Predation By Bethylid Wasps Biological Control. 30(2), 149-155 ODE, PJ, BERENBAUM, MR, ZANGERL, AR and HARDY, ICW, 2004. Host Plant, Host Plant Chemistry And The Polyembryonic Parasitoid Copidosoma Sosares: Indirect Effects In A Tritrophic Interaction Oikos. 388-400
HARDY, I.C.W., 2003. Factors influencing avian sex ratios World's Poultry Science Journal. 59, 19-24
GAMMELL, MP and HARDY, ICW, 2003. Contest Duration: Sizing Up The Opposition? Trends In Ecology & Evolution. 18(10), 491-493 HARDY, I.C.W. and GAMMELL, M.P., 2003. Sex change invariants BioMedNet. Available at: <http://update.bmn.com/> WILSON, K. and HARDY, I.C.W., 2002. Statistical analysis of sex ratios: an introduction. In: Sex ratios: concepts and research methods 48
KRACKOW, S., MEELIS, E. and HARDY, I.C.W., 2002. Analysis of sex ratio variances and sequences of sex allocation. In: HARDY, I.C.W., ed., Sex ratios: concepts and research methods 112
HARDY, I. C., 2002. The birds and the wasps: a sex-ratio meta-analysis Trends in Ecology and Evolution. VOL 17(NUMBER 5), 207 HARDY, I. C., 2002. A macroevolutionary fondness for Neoptera Trends in Ecology and Evolution. VOL 17(NUMBER 8), 354 HARDY, I.C.W., ed., 2002. Sex ratios: concepts and research methods. Cambrdige University Press.
EADY, P. E. and HARDY, I. C. W., 2001. Overt versus covert competition in Soay sheep Trends in Ecology and Evolution. VOL 16(NUMBER 6), 279-280 HARDY, I.C.W. and COOK, J.M., 2001. Vicious fig wasps in viscous populations Trends in Ecology and Evolution. VOL 16(NUMBER 5), 224 MESTERTON-GIBBONS, M. and HARDY, I. C. W., 2001. A polymorphic effect of sexually differential production costs when one parent controls the sex ratio Proceedings of the Royal Society B: Biological Sciences. ISSU 1474, 1429-1434 HARDY, I.C.W. and KEMP, D.J., 2001. Skink skirmishes: why do owners win? Trends in Ecology and Evolution. VOL 16(NUMBER 4), 174 HARDY, ICW and COOK, JM, 2001. Vicious Fig Wasps In Viscous Populations
FIELD, SA and HARDY, ICW, 2000. Butterfly Contests: Contradictory But Not Paradoxical Animal Behaviour. 59, F1-F3 PEREZ-LACHAUD, G and HARDY, ICW, 1999. Reproductive Biology Of Cephalonomia Hyalinipennis (Hymenoptera: Bethylidae), A Native Parasitoid Of The Coffee Berry Borer, Hypothenemus Hampei (Coleoptera : Scolytidae), In Chiapas, Mexico Biological Control. 14(3), 152-158
HARDY, ICW, PEDERSEN, JB, SEJR, MK and LINDEROTH, UH, 1999. Local Mating, Dispersal And Sex Ratio In A Gregarious Parasitoid Wasp Ethology. 105(1), 57-72 MAYHEW, PJ, ODE, PJ, HARDY, ICW and ROSENHEIM, JA, 1998. Parasitoid Clutch Size And Irreversible Evolution Ecology Letters. 1(3), 139-141
HARDY, ICW and MAYHEW, PJ, 1998. Partial Local Mating And The Sex Ratio: Indirect Comparative Evidence
HARDY, ICW, 1998. Butterfly Battles: On Conventional Contests And Hot Property
HARDY, ICW and FIELD, SA, 1998. Logistic Analysis Of Animal Contests
HARDY, ICW, DIJKSTRA, LJ, GILLIS, JEM and LUFT, PA, 1998. Patterns Of Sex Ratio, Virginity And Developmental Mortality In Gregarious Parasitoids Biological Journal Of The Linnean Society. 64(2), 239-270 HARDY, ICW and MAYHEW, PJ, 1998. Sex Ratio, Sexual Dimorphism And Mating Structure In Bethylid Wasps
MAYHEW, PJ and HARDY, ICW, 1998. Nonsiblicidal Behavior And The Evolution Of Clutch Size In Bethylid Wasps
GILLIS, JEM and HARDY, ICW, 1997. Nematode Parasitism In A Northern European Drosophilid Community Entomologia Experimentalis Et Applicata. 84(3), 275-291 HARDY, ICW, 1997. Possible Factors Influencing Vertebrate Sex Ratios: An Introductory Overview
VANHOOFF, JARAM, RASA, A, GLATSTON, AR, HARDY, ICW, KAUMANNS, W, PRINCEE, F, HOLST, B, ZILLICH, U, NEVISON, C, KRACKOW, S, KING, C, FEISTNER, A, HODGES, K, SCHMIDT and HOFER, 1997. Research In Zoos: From Behavioural Research To Sex Ratio Manipulation - General Discussion
PETERSEN, G and HARDY, ICW, 1996. The Importance Of Being Larger: Parasitoid Intruder-Owner Contests And Their Implications For Clutch Size Animal Behaviour. 51, 1363-1373
HARDY, ICW and KRACKOW, S, 1995. Does Sex Appeal To Zoos
HARDY, ICW, 1995. The Paradox Of Polyembryony - Reply
HARDY, ICW, 1995. Protagonists Of Polyembryony
HARDY, ICW, VANALPHEN, JJM, HEIMPEL, GE and ODE, PJ, 1995. Entomophagous Insects - Progress In Evolutionary And Applied Ecology
HARDY, ICW, 1994. Polyandrous Parasitoids - Multiple Mating For Varietys Sake
HARDY, ICW, 1994. Sex-Ratio And Mating Structure In The Parasitoid Hymenoptera
HARDY, ICW, ODE, PJ and STRAND, MR, 1993. Factors Influencing Brood Sex-Ratios In Polyembryonic Hymenoptera Oecologia. 93(3), 343-348 GODFRAY, H.C.J. and HARDY, I.C.W., 1993. Sex ratio and virginity in haplodiploid insects.. In: WRENSCH, D.L. and EBBERT, M.A., eds., Evolution and diversity of sex ratio in insects and mites. Chapman and Hall, New York. 402-417
HARDY, ICW, 1992. The Insurance Hypothesis And The Theory Of Clutch Size In Birds And In Invertebrates
HARDY, ICW, 1992. Nonbinomial Sex Allocation And Brood Sex-Ratio Variances In The Parasitoid Hymenoptera
HARDY, I.C.W., 1992. The 'insurance hypothesis' and the theory of clutch size in birds and in invertebrates The Auk. 109, 936-937
HARDY, ICW and BLACKBURN, TM, 1991. Brood Guarding In A Bethylid Wasp Ecological Entomology. 16(1), 55-62 HARDY, ICW and GODFRAY, HCJ, 1990. Estimating The Frequency Of Constrained Sex Allocation In Field Populations Of Hymenoptera
HARDY, ICW, Interactions At The Second Benelux-Congress Of Zoology
HARDY, ICW, GRIFFITHS, NT and GODFRAY, HCJ, Clutch Size In A Parasitoid Wasp - A Manipulation Experiment Journal Of Animal Ecology. 61(1), 121-129