. Cooperative economic insect report. Beneficial insects; Insect pests. - 342 - Description: Adults black dorsally except head which is orange-yellow with a black patch between the eyes. Eyes black, antennae yellow with dusky mark at base of segments 3, 4 and 5 on upper side. Tip of abdomen is yellow. Abdomen (ventrally) and legs orange-yellow. Wings transparent, somewhat iridescent, with dark veins and costal margin; stigma dark and apical end yellow. Female about 6 mm. long, male slightly smaller. Egg white, glistening, about mm. long and slightly curved. As is characteristic of many saw


. Cooperative economic insect report. Beneficial insects; Insect pests. - 342 - Description: Adults black dorsally except head which is orange-yellow with a black patch between the eyes. Eyes black, antennae yellow with dusky mark at base of segments 3, 4 and 5 on upper side. Tip of abdomen is yellow. Abdomen (ventrally) and legs orange-yellow. Wings transparent, somewhat iridescent, with dark veins and costal margin; stigma dark and apical end yellow. Female about 6 mm. long, male slightly smaller. Egg white, glistening, about mm. long and slightly curved. As is characteristic of many sawfly eggs, it increases slightly in size after it is laid. Larva is creamy-white with a dark brown head and black or dusky chitinous plate on upper surface of anal segment. When mature, about 12 mm. long. There are 6 abdominal and one anal pair of prolegs. Cocoon is compact, oval, brown and 7 to 8 mm. long and 3 to 4 mm. wide. Pupae are constant in form; color differences become more pronounced as development proceeds. (Prepared in Survey and Detection Operations in cooperation with other ARS agencies and the National Museum). CEIR 9(17) 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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