. Cooperative economic insect report. Beneficial insects; Insect pests. 524 Hosts: Apple, currant and willow are major hosts. Gooseberries, cherries, pear, alder and hazel have also been recorded as hosts. Life History and Habits: On apple, the eggs are usually laid under the bark of twigs, but sometimes on the heavy branches and the trunk of the trees. In heavy infestations, up to 6 eggs per inch of twig have been found. The young nymphs usually begin to appear in mid-April in England, and feed on the devew loping leaves and flower buds. They develop very rapidly and become mature in 2 to 3 w
. Cooperative economic insect report. Beneficial insects; Insect pests. 524 Hosts: Apple, currant and willow are major hosts. Gooseberries, cherries, pear, alder and hazel have also been recorded as hosts. Life History and Habits: On apple, the eggs are usually laid under the bark of twigs, but sometimes on the heavy branches and the trunk of the trees. In heavy infestations, up to 6 eggs per inch of twig have been found. The young nymphs usually begin to appear in mid-April in England, and feed on the devew loping leaves and flower buds. They develop very rapidly and become mature in 2 to 3 weeks. The adults are quite active, falling, running or flying short distances when disturbed. Egg-laying occurs from mid-June to mid-July and adults disappear usually by mid-August. The eggs remain dormant until the following spring. There is only one generation a year in England. Description: Egg is elongate, about mm. in length, translucent white in color. Nymph is bright green and resembles the adult. Adult is also bright green; head, pronotum, sides, hemelytra and legs yellow. Antennae with third and fourth joints and the extreme apex of second joint black, fourth joint about two-thirds as long as the third; pronotum only slightly raised, posteriorly strongly rugose transversely, sides straight; scutellum slightly convex towards the apex, raised down the middle; hemelytra indifferently punctured, membrane nearly hyaline, veins green; tarsi black at apex or entirely so, sometimes apex of tibiae of same color. Adult length 6 mm. (Prepared in Plant Pest Survey Section in cooperation with other ARS agencies.) CEIR 8(24) 6-13-58. 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
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