{"id":2934,"date":"2019-06-13T00:07:42","date_gmt":"2019-06-13T07:07:42","guid":{"rendered":"https:\/\/depts.washington.edu\/hortlib\/pal\/pal-question-277\/"},"modified":"2023-08-04T14:53:43","modified_gmt":"2023-08-04T21:53:43","slug":"pests-affecting-currant-trees","status":"publish","type":"pal","link":"https:\/\/depts.washington.edu\/hortlib\/pal\/pests-affecting-currant-trees\/","title":{"rendered":"pests affecting currant trees"},"content":{"rendered":"<p><strong>We moved into a new house which has a large currant or gooseberry bush. Now that it has leafed out there are numerous caterpillars eating the leaves. I know they are not tent caterpillars, but I cannot identify them. They are whitish-green with yellow bands across the top and bottom, with many black dots or bumps. The head and first six legs are black. It would be nice to learn more about them.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>I cannot make a conclusive pest identification remotely, but there is a possibility these caterpillars are currant sawfly, or imported currantworm. <a href=\"https:\/\/pnwhandbooks.org\/insect\/small-fruit\/currant-gooseberry\/currant-gooseberry-imported-currant-worm\">Here<\/a> is some information about this pest from the Pacific Northwest Pest Management Handbooks.<\/p>\n<p>If this pest is the culprit, the book, <i>The Organic Gardener&#8217;s Handbook of Natural Insect and Disease Control<\/i> edited by Barbara Ellis (Rodale Press, 1996) recommends using Pyrethrin spray, spraying into the center of the bush. Bees are severely affected by this pesticide, so follow the guidelines shown on this University of California, Davis <a href=\"http:\/\/ipm.ucanr.edu\/TOOLS\/PNAI\/pnaishow.php?id=62\">Integrated Pest Management<\/a> page. Also see this guide to <a href=\"http:\/\/ipm.ucanr.edu\/PDF\/PMG\/pnw591.pdf\">reducing bee poisoning from pesticides.<\/a><\/p>\n<p>For a definitive pest identification, you may want to bring a sample of the pest and its damage to a Master Gardener Clinic.<br \/>\nUsing the following link, you can locate a <a href=\"http:\/\/extension.wsu.edu\/locations\/\">Master Gardener Clinic<\/a> in your part of Washington State.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We moved into a new house which has a large currant or gooseberry bush. Now that it has leafed out there are numerous caterpillars eating the leaves. I know they are not tent caterpillars, but I cannot identify them. They are whitish-green with yellow bands across the top and bottom, with many black dots or bumps. The head and first six legs are black. It would be nice to learn more about them. &nbsp; I cannot make a conclusive pest&#8230;<\/p>\n<div><a class=\"more-link\" href=\"https:\/\/depts.washington.edu\/hortlib\/pal\/pests-affecting-currant-trees\/\">Continue reading <span class=\"screen-reader-text\">pests affecting currant trees<\/span><\/a><\/div>\n","protected":false},"author":4,"featured_media":0,"menu_order":0,"template":"","keyword":[454,517,466,613,790],"class_list":["post-2934","pal","type-pal","status-publish","hentry","keyword-disease-resistant-plants","keyword-fruit-diseases-and-pests","keyword-master-gardeners","keyword-ribes","keyword-sawflies"],"acf":[],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/pal\/2934"}],"collection":[{"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/pal"}],"about":[{"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/types\/pal"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/users\/4"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/media?parent=2934"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/depts.washington.edu\/hortlib\/wp-json\/wp\/v2\/keyword?post=2934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}