{"product_id":"hard-john-s-field-and-laboratory-techniques-for-evaluating-hemlock-sawfly-infestations-classic-reprint-9780331405132","title":"Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations (Classic Reprint)","description":"Excerpt from Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations\u0026lt;br\/\u0026gt;\u0026lt;br\/\u0026gt;Figure 2.-feeding colony of early instar hemlock sawfly larvae. Note-character of needles which have been fed upon. Figure 3. Â ~hemlock sawfly cocoon showing the evenly cut margin of cap resulting from normal sawfly emergence. Figure 4.-severe defoliation of mature western hemlock caused by hemlock sawfly.","brand":"Forgotten Books","offers":[{"title":"Default Title","offer_id":53714217304406,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9780331405132_1.jpg?v=1778875004","url":"https:\/\/www.momoxbooks.com\/products\/hard-john-s-field-and-laboratory-techniques-for-evaluating-hemlock-sawfly-infestations-classic-reprint-9780331405132","provider":"momoxbooks","version":"1.0","type":"link"}