beetle potato colorado pest parasite, mating mated males and females mate sit, leptinotarsa decemlineata on potatoes

adult agriculture america beetle bio bitten bug colorado czech danger decemlineata eaten eats entomological europe european expansive farm farming females gnawed green invasive leaf leaves leptinotarsa males mate mated mating north organic origin parasite pest plant potato potatoes reduced republic sit solanum spearman species tenstriped tuberosum tubers two warfare yield