January 19, 2021
Listener's questions are out! Find out why you might not be able to smell a ladybird, why ladybirds snuggle together in the winter, how they are affected by global warming and more.
With a promo for How to Enjoy Experimental Film with Daniel Adams, available on Spotify, Apple or wherever you get your podcasts.
Overwintering harlequin ladybirds:
Ecology of dormancy in ladybird beetles (Coleoptera: Coccinellidae) - Piotr Ceryngier (2015)
Ceratomegilla undecimnotata -
Ladybirds, Naturalist's handbook. Correction: The study showing which ladybirds used up their fat reserves faster was Hariri, 1966 and not 1975.
https://www.cabdirect.org/cabdirect/abstract/19810583127 - Overwintering of Aphidecta Obliterata in northeastern Scotland, WH Parry.
Hippodamia Arctica's reduction in range in the last 1000 years: https://www.jstor.org/stable/75635?seq=1
Information on 7-spots' behaviour: https://influentialpoints.com/biocontrol/Coccinella_septempunctata_seven-spot_ladybird.htm
Mode of overwintering of invasive H axyridis in the Netherlands: https://link.springer.com/article/10.1007/s10526-011-9394-2
Toxicity of ladybirds - Orange, 2-spot and pine found to be the most poisonous https://www.nature.com/articles/srep11021
Another study on toxicity of ladybirds https://www.researchgate.net/profile/NM_Marples/publication/226922678_Toxicity_assays_of_ladybirds_using_natural_predators/links/5534dba40cf283a8f60be2e5/Toxicity-assays-of-ladybirds-using-natural-predators.pdf
Spotlight, Ladybirds by Richard Comont
Field guide to the ladybirds of Great Britain and Northern Ireland by Helen Roy et al.