Multi-Gas Detector Confined Space Kit, Detects Combustible, Oxygen, Carbon Monoxide, Hydrogen Sulfide, Nitrogen Dioxide, Sensor Range LEL 0 to 100 Percent, O2 0 to 30 Percent vol., CO 0 to 1500ppm, H2S 0 to 500pmm, NO2 0 to 150 ppm, Housing Color Black, Operating Temp.
Freebase (0.00 / 0 votes) Rate this definition: Monarch butterfly. The Monarch butterfly is a milkweed butterfly in the family Nymphalidae. It is perhaps the best known of all North American butterflies. Since the 19th century, it has been found in New Zealand, and in Australia since 1871, where it is called the wanderer.
The Life Cycle of a Monarch Butterfly. Before a butterfly can flap its wings, it starts out as something completely different and transforms itself through four stages. First as an egg, then as a caterpillar, next as a pupa in its chrysalis, and finally, it emerges as a butterfly.