butterflies

"Drought is a double threat - it harms butterflies directly and also affects their food and host plants," Prof Grames explained.

She gets the same feelings of apprehension approaching every scene, with butterflies in her stomach.

These plants tend to support specific, sometimes rare species of pollinators like bees, hummingbirds, butterflies and moths, Andre said.

The butterfly’s Western population has plummeted more than 95% since the 1980s, when up to 4 million butterflies were estimated to spend winter in California, according to the California Department of Fish and Wildlife.

Rather than portray such a violent scene, Nava shows Rosa arriving at her mother’s comal and finding it full of white butterflies.