Scientists Uncover the Unexpected True Identity of “Tequila” Worms

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Scientists Uncover the Unexpected True Identity of “Tequila” Worms
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Mezcal is a distilled spirit produced from the cooked and fermented sap of agave plants. The majority of mezcal drinks, including all tequila varieties, are marketed as unadulterated distillates, but a select few contain an unexpected addition: worms. Referred to as gusanos de maguey in Spanish,

analyzed the species of larvae found in bottles of Mezcal, a distilled alcoholic beverage made from agave. Somewhat unexpectedly, the study found that all the larvae were of a single moth species,Mezcal is a distilled spirit produced from the cooked and fermented sap of agave plants. The majority of mezcal drinks, including all tequila varieties, are marketed as unadulterated distillates, but a select few contain an unexpected addition: worms.

There were very few distinguishing features that could be used to assign the specimens to a particular group or species; fortunately, mezcal makes an excellent preservative, preventing the decay of the larvae and their internal packets of. The researchers successfully extracted and analyzed genetic material from 18 specimens, but the results they got back were unexpected.

Instead, the DNA unequivocally identified all 18 specimens as the caterpillars of agave redworm moths , another type of agave parasite with rosy-hued larvae. The researchers suspect that accounts of white gusanos de maguey come from caterpillars that have been stored in alcohol for long amounts of time and have consequently leached their color.

The fate of agave redworm moths is also uncertain. Maguey worms have been harvested as a delicacy for centuries, beginning with the Aztecs. But demand for the larva in Mexican culinary establishments has also seen an increase in recent years, to the extent that wild populations of these caterpillars are considered at risk of overharvesting.

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