When a cactus moth lays its eggs on an Opuntia cactus, it creates one of nature’s most effective camouflages. The eggs emerge as what is called an “egg stick”, because they look like the cactus spine.

The Opuntia cactus in Kenya has become a thorn in the side for many residents as it slowly chokes their livelihoods. With thick leafless and fleshy stems, the Opuntia cactus, which is covered in ...

Walnut Creek’s Ruth Bancroft is a national authority on drought-resistant gardening. Twice a month, she and her staff share their knowledge with readers. Prickly pears (aka opuntias) have the widest ...

This study compared several biological parameters of native cactus moth, Melitara prodenialis, reared on an artificial versus the natural diet of Opuntia spp. cladodes. Results suggest that the ...

: I enjoy reading your column in the Las Vegas Review-Journal and now I have a question about my cacti. They have been wilted or thin for about 8 months. I bought them in October 2006 and planted them ...