Isopropyl methoxy pyrazine
Encyclopedia
Isopropyl methoxy pyrazine (IPMP) is a methoxypyrazine, a class of chemical compounds that produce odors. The odor is rather undesirable and is produced by the Asian lady beetle
or by the actinomycete Streptomyces sp.
Asian lady beetle
Harmonia axyridis is a large coccinellid beetle. Its colour ranges from yellow-orange to black, and the number of spots between 0 and 22. It is native to eastern Asia, but has been introduced to North America and Europe to control aphids and scale insects...
or by the actinomycete Streptomyces sp.