. Cooperative economic insect report. Beneficial insects; Insect pests. 413 SUGARCANE BEETLE (Euetheola rugiceps) - OKLAHOMA - A beetle, tentatively identified as_E_. rugiceps, caused damage to corn in Le Flore County. (Stiles). MISSISSIPPI - Damage to small corn plants in Alcorn, Claiborne and Hinds Counties. (Bennett, Young). ARKANSAS - Adults at lights and in light traps in numbers. Some damage to strawberries by adults. (Warren). Spotted Alfalfa Aphid Infestation as Reported WeekEnding 5/11. Heaviest Infestations ^" Light or decreasing infestations\_ SPOTTED ALFALFA APHID - ARIZONA -
. Cooperative economic insect report. Beneficial insects; Insect pests. 413 SUGARCANE BEETLE (Euetheola rugiceps) - OKLAHOMA - A beetle, tentatively identified as_E_. rugiceps, caused damage to corn in Le Flore County. (Stiles). MISSISSIPPI - Damage to small corn plants in Alcorn, Claiborne and Hinds Counties. (Bennett, Young). ARKANSAS - Adults at lights and in light traps in numbers. Some damage to strawberries by adults. (Warren). Spotted Alfalfa Aphid Infestation as Reported WeekEnding 5/11. Heaviest Infestations ^" Light or decreasing infestations\_ SPOTTED ALFALFA APHID - ARIZONA - In the Yuma area, buildup rapid and insecticide treatment regular. African alfalfa seems to with- stand attack better than other varieties, especially when kept on adequate irrigation and given sufficient insecticide treatment. Predators and fungi seem to be of minor help. In Salt River Valley, a few isolated fields heavily infested and treatment regular. Twenty fields checked regularly in region about 20 miles long from Gilbert to West Phoenix. The follow- ing are average counts per trifoliate leaf: Mar. 1, 0. 26; Mar. 7, 0. 33; Mar. 15, 0. 30; Mar. 21, 1. 88; Mar. 30, ; Apr. 18, 2. 40; May 2, 2. 80. (Ariz. Coop. Rept.). NEW MEXICO - Infestations in Las Cruces area light to medium with spotty heavy infestations. Buildups expected on regrowth when first cutting is taken off. Infestation heavy throughout Eddy County. (Durkin). NEVADA - No specimens collected from inten- sive survey in alfalfa fields at Luna in White Pine County. These same fields infested during September 1955. Light population of lady beetles and big-eyed bugs. COLORADO - None reported to date. (Ext. Serv., Exp. Sta. ). MISSOURI - Heavy numbers and damage continue in south- west area. Few fields plowed up because of damage. (Kyd, Thomas). NEBRASKA - None were found in southeastern area. (Connin). OKLA- HOMA - Most alfalfa fields showing previous extensive damage have low populations. Limited food supply and
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