About Lema cyanella (Linnaeus, 1758)
Lema cyanella (Linnaeus, 1758), commonly called the Californian thistle leaf beetle, is a species of beetle that belongs to the Chrysomelidae family. This beetle is distributed across the Palearctic realm, with scattered populations also found in Asia and Oceania. Confirmed locations where Lema cyanella occurs include Spain, France, the United Kingdom, Germany, Italy, the Czech Republic, Austria, Hungary, Serbia, Bosnia and Herzegovina, Denmark, Norway, Finland, Russia, Lithuania, India, Taiwan, South Korea, China, and New Zealand, where it is an introduced non-native species. On average, female Lema cyanella lay 1564 eggs, and Cirsium arvense is the species' main host plant.
