1977. Walnut caterpillar (Datana integerrima) egg masses on tree leaflets. Figure 137-B on page 236 in Furniss and Carolin. 1977. Western Forest Insects. (37909754784)

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Summary[edit] Description: Walnut caterpillar (Datana integerrima) egg masses on tree leaflets. Figure 137-B on page 236 in Furniss and Carolin. 1977. Western Forest Insects. See: archive.org/stream/westernforestins1339furn#page/236/mode.. Note: With no other documentation available, this image was assigned the 1977 Western Forest Insects publishing date. Photo by: Unknown Date: 1977 (publication date) Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. Collection: Portland Station Collection; La Grande, Oregon. Image: PS-5171 (Also F-522011) For additional historic forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: wfiwc.org/content/history-and-resources Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth Public domainPublic domainfalsefalse. : This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. English | español | 日本語 | македонски | Nederlands | русский | slovenščina | українська | +/− :. Date: 1 January 1977, 00:00. Source: 1977. Walnut caterpillar (Datana integerrima) egg masses on tree leaflets. Figure 137-B on page 236 in Furniss and Carolin. 1977. Western Forest Insects.. Author: R6, State & Private Forestry, Forest Health Protection.