One of the colorants with the greatest number of commercial uses is obtained from the haemolymph of the insect known as carmine cochineal Dactylopius coccus Costa. The insect, originally from Mexico ...
Q: I have a prickly pear with an increasing number of chalky-white splotches forming on the pads. Is this a fungus? Can it be treated? Should I just get rid of the plant? (It isn’t very big). A: What ...
Hold onto your stomach because you’re likely to get more than a little upset about the sources of some common food additives. We’ll start with red food coloring, much of which derives its hue from the ...
In the Asian tropics, a conspicuous radiation of Macaranga plants is inhabited by obligately associated Crematogaster ants tending Coccus (Coccidae) scale insects, forming a tripartite symbiosis.
Q: I have a prickly pear with an increasing number of chalky-white splotches forming on the pads. Is this a fungus? Can it be treated? Should I just get rid of the plant? (It isn’t very big). A: What ...
THE commercial value of the insects from which cochineal, lac, and Japanese white wax are obtained were briefly referred to, by Dr. L. O. Howard, in the course of a short paper on a useful American ...
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