. Cooperative economic insect report. Beneficial insects; Insect pests. 47 INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES A LEAF BEETLE (Lema melanopa L.) Economic Importance: This leaf beetle has been a serious pest of cereal crops in certain areas of Europe for many years. Damage is caused by both the adult and the larva. In Russia losses from infestations have been estimated to range from 25 to 50 percent of the crop. Serious damage occurred in Hungary in 1891 with losses estimated at between 1,000,000 and 1,250,000 pounds sterling. Attacks were so severe in the spring of 1931 in some loca
. Cooperative economic insect report. Beneficial insects; Insect pests. 47 INSECTS NOT KNOWN TO OCCUR IN THE UNITED STATES A LEAF BEETLE (Lema melanopa L.) Economic Importance: This leaf beetle has been a serious pest of cereal crops in certain areas of Europe for many years. Damage is caused by both the adult and the larva. In Russia losses from infestations have been estimated to range from 25 to 50 percent of the crop. Serious damage occurred in Hungary in 1891 with losses estimated at between 1,000,000 and 1,250,000 pounds sterling. Attacks were so severe in the spring of 1931 in some localities in Rumania that the crop had to be plowed under. In 1938, the wheat crop in a district in Galicia, Spain, was almost totally destroyed. Losses on cereals in Spain in 1939 were estimated at 600,000 pesetas and at intervals the crop is almost totally destroyed in some areas of that country. Late varieties of wheat suffer Oat Leaves Showing Typical Injury by Larvae of Lema melanopa Distribution: Occurs throughout most of Europe, including England and Wales in Britain, and extending into Siberia in USSR. Also recorded in Morocco in North Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
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