VELASCO-HERNANDEZ MC, SHAMEER KS, NASSER M, MOYA-RAYGOZA G and HARDY ICW, 2021. Contests between beneficial natural enemies: brood guarding parasitoids versus foraging predators Entomologia Experimentalis et Applicata. (In Press.)
ASPIN E, KELLER MA, YAZDANI M and HARDY ICW, 2021. Walk this way, fly that way: Goniozus jacintae attunes flight and foraging behaviour to leaf-roller host instar. Entomologia Experimentalis et Applicata. (In Press.)
DU K, ABDI MK and HARDY ICW, 2021. Parental relatedness and parasitoid sex ratios under local mate competition. Entomological Science. (In Press.)
DECIO P, USTAOGLU P, DERECKA K, SCOCCHIA D, HARDY ICW, ROAT TC, MALASPINA O, MONGAN N, STÖGER R and SOLLER M, 2021. Thiamethoxam exposure deregulates short ORF gene expression in the honey bee and compromises immune response to bacteria. Scientific Reports. 11, 1489 ORZACK SH and HARDY ICW, 2021. Does the lack of heritability of human sex ratios require a rethink of sex ratio theory? No: a response to Zietsch et al. 2020 Proceedings of the Royal Society of London B. (In Press.)
SHAH FM, RAZAQ M, ALI A, ALI Q, SHAD SA, ASLAM M and HARDY ICW, 2020. Action threshold development in cabbage pest management using synthetic and botanical insecticides. Entomologia Generalis. 40(2), 157-172 HARDY ICW and BOULTON RA, 2019. Sex allocation, sex ratios and reproduction. In: CHOE J, ed., Encyclopedia of animal behavior 2nd Edition. 4. Elsevier. 464-471
MOORE CD, PARR T, SALTER AM and HARDY ICW, 2018. Impact of alternative diets on the growth, development and nutrient composition of the desert locust, Schistocerca gregaria. In: Proceedings of the British Society of Animal Science. 9. 2010
AMANTE M, SCHÖLLER M, HARDY ICW and RUSSO A, 2017. Reproductive biology of Holepyris sylvanidis (Hymenoptera: Bethylidae) Biological Control. 106, 1-8 WYSE JM, HARDY ICW, YON L and MESTERTON-GIBBONS M, 2017. The impact of competition on elephant musth strategies: a game-theoretic model. Journal of Theoretical Biology. 417, 109-130 TETLOW ER, HUGGETT Z, PARR T, HARDY ICW and SALTER A, 2017. The effect of light or dark environments on the growth, consumption and mortality in yellow mealworms (Tenebrio molitor). In: Proceedings of the British Society of Animal Science. 8. 28
MESTERTON-GIBBONS M, DAI Y, GOUBAULT M and HARDY ICW, 2017. Volatile chemical emission as a weapon of rearguard action: a game theoretic model of contest behavior Bulletin of Mathematical Biology. 79(11), 2413-2449 KAPRANAS A, HARDY ICW, TANG X, GARDNER A and LI B, 2016. Sex ratios, virginity, and local resource enhancement in a quasi-social parasitoid. Entomologia Experimentalis et Applicata. 159, 243-251 SREENIVAS AG and HARDY ICW, 2016. Mutual interference reduces offspring production in a brood guarding bethylid wasp. Entomologia Experimentalis et Applicata. 159, 243-251 HARDY ICW and WAJNBERG E, 2016. In memory of Mark Jervis Entomologia Experimentalis et Applicata. 159, 117-118 WILKINSON RD, KAPRANAS A and HARDY ICW, 2016. Detecting non-binomial sex allocation when developmental mortality operates Journal of Theoretical Biology. 408, 167-178 KAPRANAS A, SNART CJP, WILLIAMS H, HARDY ICW and BARRETT DA, 2016. Metabolomics of aging assessed in individual parasitoid wasps Scientific Reports. 6, 34848 TETLOW ER, PARR T, HARDY ICW, GREENHALGH C and SALTER A, 2016. Investigating growth and nutritional characteristics of Tenebrio molitor reared on diets of varying quality. In: Proceedings of the British Society of Animal Science. 7. 24
MALCICKA M, BEZEMER TM, VISSER B, BLOEMBERG M, SNART CJP, HARDY ICW and HARVEY JA, 2015. Multi-trait mimicry of ants by a parasitoid wasp Scientific Reports. 5, 8043 SNART CJP, HARDY ICW and BARRETT DA, 2015. Entometabolomics: applications of modern analytical techniques to insect studies Entomologia Experimentalis et Applicata. 155, 1-17 MAALOUF WE, MINCHEVA MN, CAMPBELL BK and HARDY ICW, 2014. Effects of assisted reproductive technologies on human sex ratios at birth. Fertility and Sterility. 101, 1321-1325 KAPRANAS A and HARDY ICW, 2014. One hundred years of parasitoids. Biocontrol News and Information. 35, 1-4 KHIDR SK, LINFORTH RST and HARDY ICW, 2013. Genetic and environmental influences on the cuticular hydrocarbon profiles of Goniozus wasps Entomologia Experimentalis et Applicata. 147, 175-185 HARDY ICW and BRIFFA M, eds., 2013. Animal Contests Cambridge University Press.
BRIFFA M and HARDY ICW, 2013. Introduction to animal contests. In: HARDY ICW and BRIFFA M, eds., Animal Contests Cambridge University Press. 1-4
BRIFFA M, HARDY ICW, GAMMELL MP, JENNINGS DJ, CLARKE DD and GOUBAULT M, 2013. Analysis of animal contest data. In: HARDY ICW and BRIFFA M, eds., Animal contests. Cambridge University Press. 47-85
HARDY ICW, GOUBAULT M and BATCHELOR TP, 2013. Hymenopteran contests and agonistic behaviour. In: HARDY ICW and BRIFFA M, eds., Animal Contests Cambridge University Press. 147-177
BRIFFA M, HARDY ICW and MOWLES SL, 2013. Prospects for animal contests. In: HARDY ICW and BRIFFA M, eds., Animal contests Cambridge University Press. 335-341
HARDY ICW, 2013. How to view our/the universe. Book review: Pratchett T, Stewart I & Cohen J (2013) The science of discworld IV: Judegment day. Ebury Press, London. Trends in Ecology and Evolution 28:687-688.
SMITH DR, TOWNSEND TJ, CHOY AWK, HARDY ICW and SJÖGERSTEN S, 2012. Short-term soil carbon sink potential of oil palm plantations. Global Change Biology Bioenergy. 4, 588-596
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 and HARDY, ICW, 2009. An Effect Of Vegetation Structure On Carcass Exploitation By Vultures In An African Savanna Ostrich: Journal of African Ornithology. 80(3), 135-137 BAMFORD, A.J., MONADJEM, A., ANDERSON, M.D., ANTHONY, A., BORELLO, W.D., BRIDGEFORD, M., BRIDGEFORD, P., HANCOCK, P., HOWELLS, B., WAKELIN, J. and HARDY, I.C.W., 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, T.T., HARDY, I.C.W. 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: HARDY I.C.W., ed., Sex ratios: concepts and research methods Cambridge Universitry Press. 48-92
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 Cambridge University Press. 112-131
HARDY, I. C. W., 2002. The birds and the wasps: a sex-ratio meta-analysis Trends in Ecology and Evolution. VOL 17(NUMBER 5), 207 HARDY, I. C. W., 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. Cambridge 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 Trends in Ecology and Evolution. 224 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, 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 FIELD, SA, 1998. Logistic Analysis Of Animal Contests Animal Behaviour. 56, 787-792 HARDY, ICW and MAYHEW, PJ, 1998. Sex Ratio, Sexual Dimorphism And Mating Structure In Bethylid Wasps Behavioral Ecology and Sociobiology. 42, 383-395 HARDY, ICW and MAYHEW, PJ, 1998. Partial Local Mating And The Sex Ratio: Indirect Comparative Evidence Trends in Ecology and Evolution. 13, 431-432 HARDY, ICW, 1998. Butterfly Battles: On Conventional Contests And Hot Property Trends in Evolution and Ecology. 13, 385-386 GILLIS, JEM and HARDY, ICW, 1997. Nematode Parasitism In A Northern European Drosophilid Community Entomologia Experimentalis Et Applicata. 84(3), 275-291 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 Applied Animal Behaviour Science. 51, 317-321
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, 1996. Interactions At The Second Benelux-Congress Of Zoology Netherlands Journal of Zoology. 46, 1-8
HARDY, ICW and KRACKOW, S, 1995. Does Sex Appeal To Zoos? Trends in Ecology and Evolution. 10, 478-479 HARDY, ICW, 1995. The Paradox Of Polyembryony - Reply Trends in Ecology and Evolution. 10, 372 HARDY, ICW, 1995. Protagonists Of Polyembryony Trends in Ecology and Evolution. 10, 179-180
HARDY, ICW, VANALPHEN, JJM, HEIMPEL, GE and ODE, PJ, 1995. Entomophagous Insects - Progress In Evolutionary And Applied Ecology Trends in Evology and Evolution. 10, 96-97
HARDY, ICW, 1994. Polyandrous Parasitoids - Multiple Mating For Varietys Sake Trends in Ecology and Evolution. 9, 202-203 HARDY, ICW, 1994. Sex-Ratio And Mating Structure In The Parasitoid Hymenoptera Oikos. 3-20
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, GRIFFITHS, NT and GODFRAY, HCJ, 1992. Clutch Size In A Parasitoid Wasp - A Manipulation Experiment Journal Of Animal Ecology. 61(1), 121-129 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