{"id":22448,"date":"2016-06-25T04:40:24","date_gmt":"2016-06-25T04:40:24","guid":{"rendered":"https:\/\/bladmineerders.nl\/animalia\/arthropoda\/insecta\/diptera\/nematocera\/cecidomyiidae\/contarinia\/contarinia-merceri\/"},"modified":"2026-04-01T07:34:48","modified_gmt":"2026-04-01T05:34:48","slug":"contarinia-merceri","status":"publish","type":"page","link":"https:\/\/bladmineerders.nl\/en\/parasites\/animalia\/arthropoda\/insecta\/diptera\/nematocera\/cecidomyiidae\/cecidomyiinae\/cecidomyiidi\/cecidomyiini\/contarinia\/contarinia-merceri\/","title":{"rendered":"Contarinia merceri"},"content":{"rendered":"<h1><em>Contarinia merceri<\/em> Barnes, 1930<\/h1>\n<p><br \/>\n<\/p>\n<h2>on <em>Alopecurus<\/em><\/h2>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250505_00.jpg\" alt=\"Contarina merceri on Alopeducus pratensis\" width=\"500\" height=\"635\" class=\"alignnone size-full wp-image-954867\" srcset=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250505_00.jpg 500w, https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250505_00-236x300.jpg 236w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\"><em>Alopeducus pratensis<\/em>,  Zevenaar Ooy, 16.vi. 2025 leg, Rudi Soethof \u00a9 Hans Roskam<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-gall\">gall<\/h3>\n<p>The larve develop in a floret at the expense of the anthers and ovary; seed set fails. Larvae gregarious, golden yellow. Generally univoltine, pupation in the soil.<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-hostplant\">host plants<\/h3>\n<p>Poaceae, (narrowly?) monophagous<\/p>\n<p><\/p>\n<p class=\"latinnames\"><a href=\"https:\/\/bladmineerders.nl\/alopecurus\">Alopecurus<\/a> pratensis.<\/p>\n<p><!--waardplanten--><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"topic\">larva<\/h3>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_02.jpg\" alt=\"Contarina merceri larva\" width=\"500\" height=\"667\" class=\"alignnone size-full wp-image-954869\" srcset=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_02.jpg 500w, https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_02-225x300.jpg 225w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\"><em>Alopeducus pratensis<\/em>,  Zevenaar Ooy, 16.vi. 2025 leg, Rudi Soethof \u00a9 Hans Roskam: spatula<\/p>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_04.jpg\" alt=\"Contarina merceri larva\" width=\"500\" height=\"375\" class=\"alignnone size-full wp-image-954870\" srcset=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_04.jpg 500w, https:\/\/bladmineerders.nl\/wp-content\/uploads\/2025\/07\/7881_250513_04-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\">anal segment<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"topic\">larva<\/h3>\n<p><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_02.jpg\" alt=\"Contarinia merceri\" width=\"500\" height=\"667\" class=\"alignnone size-full wp-image-975683\" srcset=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_02.jpg 500w, https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_02-225x300.jpg 225w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\">xxxxxxxxxxxxxx<\/p>\n<p><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_03.jpg\" alt=\"Contarinia merceri\" width=\"500\" height=\"345\" class=\"alignnone size-full wp-image-975684\" srcset=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_03.jpg 500w, https:\/\/bladmineerders.nl\/wp-content\/uploads\/2026\/04\/8291_260317_03-300x207.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\">ovipositor \u00a9 Hans Roskam<\/p>\n<p><\/p>\n<h3 class=\"head-references\">references<\/h3>\n<p class=\"references\">Barnes (1930a, 1946b), Gagn\u00e9 (2010a), Skuhrav\u00e1 &#038; Skuhrav\u00fd (2008a, 2021a: 31), Skuhrav\u00e1, Skuhrav\u00fd, Don\u010dev &#038; Dimitrova (1991a, 1992a), Skuhrav\u00e1, Skuhrav\u00fd &#038; Meyer (2014a), Skuhrav\u00e1, Skuhravy\u0301, Skrzypczy\u0144ska &#038; Szadziewski (2008a).<\/p>","protected":false},"excerpt":{"rendered":"<p>Contarinia merceri Barnes, 1930 on Alopecurus Alopeducus pratensis, Zevenaar Ooy, 16.vi. 2025 leg, Rudi Soethof \u00a9 Hans Roskam gall The larve develop in a floret at the expense of the anthers and ovary; seed set fails. Larvae gregarious, golden yellow. Generally univoltine, pupation in the soil. host plants Poaceae, (narrowly?) monophagous Alopecurus pratensis. larva Alopeducus [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":22371,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"parasite-species.php","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-22448","page","type-page","status-publish","hentry","category-parasite"],"_links":{"self":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/22448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/comments?post=22448"}],"version-history":[{"count":0,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/22448\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/22371"}],"wp:attachment":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/media?parent=22448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/categories?post=22448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/tags?post=22448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}