Dr Lucas Hearn

Postdoctoral Research Fellow (B) (with PhD)

School of Agriculture, Food and Wine

College of Science

Available For Media Comment.


I am a Postdoctoral Researcher in the Entomology Group at the Waite Research Insitute. My research focuses on understanding how environmental conditions shape insect behaviour, physiology, and ecology, with particular interests in native pollinator ecology, native bee behaviour, and invertebrate adaptations to climate.
I completed my PhD at Flinders University, where I investigated the evolution of social behaviour in native bees. Following this, I spent two years in Tokyo, Japan, as a JSPS Postdoctoral Research Fellow, researching how different ecological traits in native bees influence their reselience to climate change.
I am currently working on the GRDC-funded project Minimising the Economic Impact of Earwigs, Millipedes and Slaters in Australian Grain Crops. My broader research integrates field, laboratory, and modelling approaches to understand how invertebrates respond to environmental change and to understand how environmental conditions influence pest activity in agricultural environments. I am open to supervising students on various entomology related projects.
 

Year Citation
2025 Hearn, L. R., Cronin, A. L., Giuretis, D., Stevens, M. I., & Schwarz, M. P. (2025). It’s complicated: the role of false brood cells as an anti-parasite strategy in Hymenoptera is not simple despite their ubiquity. Biological Journal of the Linnean Society, 145(4), 9 pages.
DOI
2023 Hearn, L. R., Stevens, M. I., & Schwarz, M. P. (2023). The presence of a guard vicariously drives split sex ratios in a facultatively social bee.. Biol Lett, 19(3), 20220528.
DOI Scopus2 WoS1 Europe PMC1
2022 Hearn, L. R., Parslow, B. A., Stevens, M. I., & Schwarz, M. P. (2022). Temporal dissonance between group size and its benefits requires whole-of-lifecycle measurements. Behavioral Ecology, 33(3), 606-614.
DOI Scopus3 WoS3
2022 Hearn, L. R., Davies, O. K., & Schwarz, M. P. (2022). Extreme reproductive skew at the dawn of sociality is consistent with inclusive fitness theory but problematic for routes to eusociality. Proceedings of the Royal Society B Biological Sciences, 289(1977), 8 pages.
DOI Scopus8 WoS8 Europe PMC4
2021 Dorey, J. B., Rebola, C. M., Davies, O. K., Prendergast, K. S., Parslow, B. A., Hogendoorn, K., . . . Caddy-Retalic, S. (2021). Continental risk assessment for understudied taxa post-catastrophic wildfire indicates severe impacts on the Australian bee fauna. GLOBAL CHANGE BIOLOGY, 27(24), 17 pages.
DOI Scopus26 WoS25 Europe PMC10
2021 Hearn, L. R., Stevens, M. I., Schwarz, M. P., & Parslow, B. A. (2021). Parasitoids of the uniquely social colletid bee amphylaeus morosus (Hymenoptera: Colletidae) in Victoria. Memoirs of Museum Victoria, 80, 183-191.
DOI Scopus4
2019 Hearn, L. R., Williams, K. A., Stevens, M. I., Schwarz, M. P., Davies, O. K., & Parslow, B. A. (2019). Description and novel host records for a new species of Australian mutillid wasp (Hymenoptera: Mutillidae) from hylaeine bee nests (Hymenoptera: Colletidae). Austral entomology, 58(3), 524-532.
DOI Scopus4 WoS3

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