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Lepidoptera

How six poisonous butterflies gained their toxin-laced defenses as well as the bold colors

09/02/2021

New study describes the evolutionary tale of poisonous butterflies. Reviewed by Emily Henderson. news-medical.net.Feb 8 2021. The Atala butterfly (Eumaeus atala) and its five closest relatives in the genus Eumaeus like to display their toxicity. This sextet’s toxicity comes from what they eat as caterpillars: plants called cycads that have been around since before dinosaurs […]


Spain: larvae intestinal bacteria degrade toxic plants that feed

21/09/2016

Gut bacteria explain insects’ tolerance to a toxic diet. sciencedaily.com. September 21, 2016. Summary:The microbial communities of toxic plant feeders in the Albufera lake in Valencia, Spain have been the focus of recent research. Aside from explaining the insects’ tolerance to a toxic diet, the findings may have applications in bioremediation: a waste management technique […]


Trivia # 333: Camoati in basket bug control

20/05/2016

Toxicological Trivia from May 20, 2016: In our previous trivia (332, Hoopoe), we mentioned the basket bug  (Oiketicus kirbyi), an insect belonging to the order Lepidoptera (butterflies and moths), Psychidae family, subfamily Oiketicinae .The species is distributed in the Americas from Argentina to Mexico, including Caribbean islands. According to a newspaper article in the Alto […]


Ingestion of radioactively contaminated diets for two generations in the pale grass blue butterfly,

24/09/2014

Food affected by Fukushima disaster harms animals, even at low-levels of radiation, study shows.sciencedaily.com. sciencedaily.com. Summary: Butterflies eating food collected from cities around the Fukushima nuclear meltdown site showed higher rates of death and disease, according to a study. "Our study demonstrated that eating contaminated foods could cause serious negative effects on organisms. Such negative effects may […]



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