Centuries before the now-banned red dye No. 3 was synthesized in a lab, humans turned to insects to color their foods, ...

Prickly pears, classified as Opuntia, are well-suited to dry and arid yards. Found growing across much of the southwestern United States and Mexico, these tough cacti have adapted to thrive in ...

The Florida Entomologist, Vol. 84, No. 4 (Dec., 2001), pp. 493-498 (6 pages) In Mexico, cactus pears (Opuntia spp.) are regarded as very important plants, especially in semi-arid and arid regions ...