When one species is genetically similar to another species, their populations can often be mistaken for one and the same. This is exactly what has happened with Papilio solstitius, a tiger swallowtail ...

If it is poked or disturbed, an orange dog caterpillar will extrude a two-pronged red or orange scent gland (called the ...

Nature is full of interesting relationships between animals and plants. Insects rely heavily on different plants for food and shelter, including the monarch caterpillar, which feeds primarily on the ...

Monarch butterflies and their close relatives thrive on poisonous milkweed, thanks to genetic mutations that block the effects of the plant’s toxins while allowing the poisons to accumulate in the ...

With the arrival of the growing season, gardening guides and magazines (Country Living included) start issuing familiar warnings about pests. There's no shortage of advice on deterring slugs from ...

A small butterfly once thought extinct has staged such a comeback in South Florida that it is now considered a bit of a garden pest — and a persistent problem for a renowned research facility where ...

Add Yahoo as a preferred source to see more of our stories on Google. monarch caterpillar on leaf© iStock.com/DBPITT The post The Incredible Speed of a Milkweed ...