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Some female fireflies defend themselves by releasing noxious, steroid-containing blood from their thoraxes.

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"When defending themselves, female fireflies of the genus Photuris release droplets of blood from their thorax that contain distasteful substances known as lucibufagins (LBG).

"Intriguingly, in 1998, Cornell University biologist Dr. Thomas Eisner revealed that these fireflies do not produce the chemicals themselves but obtain them from the bodies of their prey, males of a related genus, Photinus. These are lured to their doom when the female Photuris fireflies cunningly mimic the bioluminescent signals of the Photinus females." (Shuker 2001:130)

Book
The Hidden Powers of Animals: Uncovering the Secrets of NatureSeptember 19, 2019
Dr. Karl P. N. Shuker

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The limb joints of ladybugs help deter predators via toxic liquid secretions.

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References

"Ladybugs have a reflex-bleeding mechanism too, but they secrete liquid from their limb joints." (Shuker 2001:129)

Book
The Hidden Powers of Animals: Uncovering the Secrets of NatureSeptember 19, 2019
Dr. Karl P. N. Shuker

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Organism
Lady Beetles And Ladybird BeetlesCoccinellidaeFamily


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