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Cindy Burkhardt had been watching a sphinx moth caterpillar in her garden for several days, but then it disappeared. Soon thereafter, she saw another trundling across a dirt road on Rabbit Mountain.

Triangular leaf senecio, Senecio triangularis, is common on the eastern slope of Cimarron Ridge in the San Juan Mountains, from 9,000 to over 10,000 feet. This year they grew to 5 feet tall with ...

While watering my rock garden, I inadvertently flushed an Achemon sphinx moth, Eumorpha achemon, which flew less than 20 feet to clutch onto a Stella D’Oro lily, where it stayed for the remainder of ...

Most of us know that as living things evolve, they take on traits that help them thrive in their home environments. But how are certain traits "chosen" for future generations, and how are others cast ...

THE larva of the common six-spot burnet moth (Zygaena filipendulœ L.) forms an elongated cocoon on grass or other stems often at a height of six or more inches above the ground. Sometimes, however, ...