Elm leaf curl and woolly Elm leaf curl and woolly apple aphid elmleafcurlwooll203patc Year: 1912 ; I- / Fig. 449, Scliizoiieura iilmi. Spring migrant (Tullgren 1909). Fig. 450. S. iilmi. Fall migrant (Tullgren 1909). Fig. 451. 6'. americana (Riley 1879). Fig. 452. S. americana and Fig. 453 S. rilevi (Patch 1910). Fig. 454. S. iihiii and Fig. 455 ^. lanigera (Gillette 1909). Fig. 456 S. lanigeia (Alwood 1904). Fig. 457 6'. lanigera (Marlatt 1897). Fig. 458 5. americana and F'ig. 459 S. lanigera (Sanborn 1904). P'ig. 460 6'. rileyi and Fig. 461 S. americana, apterous viviparous forms. (Patch

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Elm leaf curl and woolly Elm leaf curl and woolly apple aphid elmleafcurlwooll203patc Year: 1912 ; I- / Fig. 449, Scliizoiieura iilmi. Spring migrant (Tullgren 1909). Fig. 450. S. iilmi. Fall migrant (Tullgren 1909). Fig. 451. 6'. americana (Riley 1879). Fig. 452. S. americana and Fig. 453 S. rilevi (Patch 1910). Fig. 454. S. iihiii and Fig. 455 ^. lanigera (Gillette 1909). Fig. 456 S. lanigeia (Alwood 1904). Fig. 457 6'. lanigera (Marlatt 1897). Fig. 458 5. americana and F'ig. 459 S. lanigera (Sanborn 1904). P'ig. 460 6'. rileyi and Fig. 461 S. americana, apterous viviparous forms. (Patch 1910).

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