{"id":5371,"date":"2026-02-20T16:14:52","date_gmt":"2026-02-20T15:14:52","guid":{"rendered":"https:\/\/cubescircle.de\/?post_type=organism&#038;p=5371"},"modified":"2026-02-20T16:14:54","modified_gmt":"2026-02-20T15:14:54","slug":"epilachna-beetles","status":"publish","type":"organism","link":"https:\/\/cubescircle.de\/en\/organism\/epilachna-beetles","title":{"rendered":"Epilachna Beetles"},"content":{"rendered":"","protected":false},"featured_media":0,"template":"","class_list":["post-5371","organism","type-organism","status-publish","hentry","no-post-thumbnail"],"acf":{"common_name":"Epilachna Beetles","scientific_name":"Epilachna spp.","taxonomy":{"order":"Coleoptera","family":"Coccinellidae","genus":"Epilachna","species":"spp."},"overview":"<p data-start=\"268\" data-end=\"480\">Epilachna beetles are phytophagous ladybird beetles and include several species that are important crop pests. Unlike most ladybird beetles, which are beneficial predators, Epilachna species feed on plant tissue.<\/p>\r\n<p data-start=\"482\" data-end=\"588\">Both larvae and adults feed externally on leaves, and heavy infestations can result in severe defoliation.<\/p>\r\n<p data-start=\"590\" data-end=\"659\">Misidentification as beneficial ladybirds can delay control measures.<\/p>","at_a_glance":{"host_plants":"Beans, soybean, cowpea, tomato, cucumber, eggplant","where_you_see_it":"On leaf surfaces, especially undersides","seasonality":"Active during vegetative and reproductive crop stages","typical_damage":"Leaf skeletonization and defoliation"},"difficulty":"medium: Medium","virus_risk":"none","sections":{"identification":"<p data-start=\"1032\" data-end=\"1040\">Adults<\/p>\r\n\r\n<ul data-start=\"1041\" data-end=\"1193\">\r\n \t<li data-start=\"1041\" data-end=\"1074\">\r\n<p data-start=\"1043\" data-end=\"1074\">Oval, ladybird-shaped beetles<\/p>\r\n<\/li>\r\n \t<li data-start=\"1075\" data-end=\"1092\">\r\n<p data-start=\"1077\" data-end=\"1092\">6.5\u20138 mm long<\/p>\r\n<\/li>\r\n \t<li data-start=\"1093\" data-end=\"1137\">\r\n<p data-start=\"1095\" data-end=\"1137\">Brown to copper-colored with black spots<\/p>\r\n<\/li>\r\n \t<li data-start=\"1138\" data-end=\"1193\">\r\n<p data-start=\"1140\" data-end=\"1193\">Newly emerged adults appear yellow before darkening<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"1195\" data-end=\"1201\">Eggs<\/p>\r\n\r\n<ul data-start=\"1202\" data-end=\"1267\">\r\n \t<li data-start=\"1202\" data-end=\"1222\">\r\n<p data-start=\"1204\" data-end=\"1222\">Yellow to orange<\/p>\r\n<\/li>\r\n \t<li data-start=\"1223\" data-end=\"1267\">\r\n<p data-start=\"1225\" data-end=\"1267\">Laid in small batches on leaf undersides<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"1269\" data-end=\"1277\">Larvae<\/p>\r\n\r\n<ul data-start=\"1278\" data-end=\"1368\">\r\n \t<li data-start=\"1278\" data-end=\"1297\">\r\n<p data-start=\"1280\" data-end=\"1297\">Yellow in color<\/p>\r\n<\/li>\r\n \t<li data-start=\"1298\" data-end=\"1336\">\r\n<p data-start=\"1300\" data-end=\"1336\">Covered with long, branched spines<\/p>\r\n<\/li>\r\n \t<li data-start=\"1337\" data-end=\"1368\">\r\n<p data-start=\"1339\" data-end=\"1368\">Up to 9 mm when fully grown<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"1370\" data-end=\"1381\">Key Clues<\/p>\r\n\r\n<ul data-start=\"1382\" data-end=\"1509\">\r\n \t<li data-start=\"1382\" data-end=\"1430\">\r\n<p data-start=\"1384\" data-end=\"1430\">Irregular feeding patches between leaf veins<\/p>\r\n<\/li>\r\n \t<li data-start=\"1431\" data-end=\"1464\">\r\n<p data-start=\"1433\" data-end=\"1464\">Leaves appearing skeletonized<\/p>\r\n<\/li>\r\n \t<li data-start=\"1465\" data-end=\"1509\">\r\n<p data-start=\"1467\" data-end=\"1509\">Both larvae and adults present on plants<\/p>\r\n<\/li>\r\n<\/ul>","damage":"<p data-start=\"1529\" data-end=\"1649\">Larvae and adults scrape leaf tissue, removing the lower epidermis and creating irregular depressions or feeding strips.<\/p>\r\n<p data-start=\"1651\" data-end=\"1744\">Severe infestations can skeletonize leaves, reducing photosynthetic capacity and plant vigor.<\/p>\r\n<p data-start=\"1746\" data-end=\"1821\">Damage during flowering and fruiting stages may significantly reduce yield.<\/p>","life_cycle":"<p data-start=\"1845\" data-end=\"1898\">Eggs hatch within 5\u201314 days depending on temperature.<\/p>\r\n<p data-start=\"1900\" data-end=\"1963\">Larvae pass through four instars over approximately 16\u201320 days.<\/p>\r\n<p data-start=\"1965\" data-end=\"2001\">Pupation occurs on the leaf surface.<\/p>\r\n<p data-start=\"2003\" data-end=\"2059\">Several generations may occur during the growing season.<\/p>","monitoring":"<p data-start=\"2083\" data-end=\"2134\">Inspect both sides of leaves for larvae and adults.<\/p>\r\n<p data-start=\"2136\" data-end=\"2201\">Look for characteristic scraping damage and skeletonized foliage.<\/p>\r\n<p data-start=\"2203\" data-end=\"2254\">Tap leaves to dislodge adults for easier detection.<\/p>","management":"<p data-start=\"2278\" data-end=\"2358\">Cultural control: Use resistant or less susceptible varieties where available.<\/p>\r\n<p data-start=\"2360\" data-end=\"2461\">Biological control: Natural enemies may contribute to suppression but are often insufficient alone.<\/p>\r\n<p data-start=\"2463\" data-end=\"2552\">Chemical control: Insecticides are commonly used when economic thresholds are exceeded.<\/p>"}},"_links":{"self":[{"href":"https:\/\/cubescircle.de\/en\/wp-json\/wp\/v2\/organisms\/5371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cubescircle.de\/en\/wp-json\/wp\/v2\/organisms"}],"about":[{"href":"https:\/\/cubescircle.de\/en\/wp-json\/wp\/v2\/types\/organism"}],"wp:attachment":[{"href":"https:\/\/cubescircle.de\/en\/wp-json\/wp\/v2\/media?parent=5371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}