Hidden Wings and Bloodlust

Fictional and true cases involving ladybirds. Plus an announcement about a new ladybird discovered in Iran!

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.

Sources:

Overwintering harlequin ladybirds:

http://www.ace-sap.it/UploadDocs/3270_WATANABE2002.pdf

Ecology of dormancy in ladybird beetles (Coleoptera: Coccinellidae) - Piotr Ceryngier (2015)

Ceratomegilla undecimnotata -

https://www.researchgate.net/profile/Vladimir_Kostal/publication/283368646_Accumulation_of_high_concentrations_of_myo-inositol_in_the_overwintering_ladybird_beetle_Ceratomegilla_undecimnotata/links/5657f46108ae1ef9297bf57a.pdf -

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

https://link.springer.com/article/10.1134/S0013873817090019

https://www.eje.cz/artkey/eje-200801-0001_Why_is_Coccinella_septempunctata_so_successful_A_point-of-view.php?back=%2Fsearch.php%3Fquery%3Dexperimental%252520evidence%252520in%253Aauth%252520name%252520key%252520abstr%26sfrom%3D360%26spage%3D30

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.

Learn about a newly discovered ladybird from the Shirkuh mountain range in Iran, only confirmed as a new species in 2020.

Content warning: This episode contains descriptions of a ladybird's genitalia.

Listen to the UK Wildlife Podcast's latest episode here: http://www.uk-wildlife.co.uk/ep50-9-wildlife-podcasters-in-1-podcast/

Out for a walk podcast: https://www.outforawalk.uk/ or @outforawalkpod

Massive thank you to Mehdi Zare Khormizi for all the help he gave me on this episode. You can follow him on @ladybugs.ir.

Picture by Alexander Slutsky: http://www.alsphotopage.com/gallery/index/id/15304

You can view more of his pictures here: http://www.alsphotopage.com/gallery/index/id/6312/list/latestcom

Sources:

https://en.wikipedia.org/wiki/Shirkuh

https://en.wikipedia.org/wiki/Yazd_Province

https://zookeys.pensoft.net/article/46390/ - Oenopia shirkuhensis sp. nov. (Coleoptera, Coccinellidae) from Iran mimicking Adalia bipunctata.

https://researchoutreach.org/articles/scientists-join-dots-between-lady-beetles-iran/

https://bioone.org/journals/the-coleopterists-bulletin/volume-74/issue-1/0010-065X-74.1.161/Potential-M%c3%bcllerian-Mimicry-between-Adalia-bipunctata-Linnaeus-and-Oenopia-conglobata/10.1649/0010-065X-74.1.161.short#:~:text=Zakharov%20and%20Shaikevich%20provided%20molecular%20genetic%20evidence%20that,form%20fasciatopunctata%20occurs%20in%20Kazakhstan%2C%20Siberia%2C%20and%20Mongolia. - Unusual two-spots in the orchards.

https://www.researchgate.net/profile/Mehdi-Zare-Khormizi - Mehdi's research page.

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Follow me on twitter @hwabpodcast or instagram at @365.ladybird

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Music by Debra Torrance

You might have heard about the ladybird invasion of 1976. In Part 1 of this special 2-part episode, I talk about what happened in that famous year and talk about possible scientific explanations of what might have happened, as well as the impact on the society and community.

Podcast recommendation this week is Ungagged! Please check out our film club discussion here: http://leftungagged.org/2021/06/28/film-club-pride-2014/

Sources:

Newspaper articles from the Mirror, the Birkenhead News, the Sun and other local and national newspapers, kindly uploaded by Christian Jensen Romer.

https://www.countryfile.com/countryfile/great-drought-of-1976-what-happened-and-what-was-the-impact-on-britain/

https://www.theguardian.com/environment/2006/may/17/water.ethicalliving

https://www.lep.co.uk/news/do-you-remember-ladybird-plague-1976-why-britains-latest-heatwave-hasnt-caused-another-plague-45908

https://www.bbc.co.uk/news/magazine-35603972

https://www.wikiwirral.co.uk/forums/ubbthreads.php/topics/219043/re-ladybird-swarm-1976.html

https://inews.co.uk/news/environment/ladybird-invasion-swarms-uk-population-explosion-season-181142

https://www.sciencedirect.com/science/article/abs/pii/0006320778900022

https://www.york.ac.uk/news-and-events/news/2017/research/1976-drought-butterflies-moths/#:~:text=Scientists%20at%20the%20University%20of,swarming%20in%20search%20of%20food.

http://lostladybug.org/file_uploads/WashupEntAmericana.pdf

https://eje.cz/pdfs/eje/1993/04/04.pdf - Ivo Hodek's study

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0082278

https://www.researchgate.net/profile/Dan-Minchin/publication/274475587_A_swarm_of_the_seven-spot_ladybird_Coccinella_septempunctata_Coleoptera_Coccinellidae_carried_on_a_cruise_ship/links/595caa7eaca272f3c08f510e/A-swarm-of-the-seven-spot-ladybird-Coccinella-septempunctata-Coleoptera-Coccinellidae-carried-on-a-cruise-ship.pdf - Hibernating 7-spots on a Moroccan cruise ship :)

http://la.climatologie.free.fr/secheresse/drought-heat_wave1.htm - Drought in France

https://www.ouest-france.fr/bretagne/les-coccinelles-envahissent-le-littoral-larmor-plage-27639

https://www.sciencedirect.com/science/article/abs/pii/002017907790035X

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Music by Debra Torrance :)

Who was the killer who murdered a colony of aphids on Mrs McGonagall's prize rose bushes? Find out in season 1 episode of Hidden Wings and Bloodlust. Join me on a journey through the world of Coccinellidae.