{"id":19365,"date":"2017-01-19T06:24:34","date_gmt":"2017-01-19T06:24:34","guid":{"rendered":"https:\/\/bladmineerders.nl\/import\/trachys\/trachys-problematicus\/"},"modified":"2026-03-12T16:21:48","modified_gmt":"2026-03-12T15:21:48","slug":"trachys-problematicus","status":"publish","type":"page","link":"https:\/\/bladmineerders.nl\/en\/parasites\/animalia\/arthropoda\/insecta\/coleoptera\/polyphaga\/elateriformia\/buprestidae\/agrilinae\/trachini\/trachys\/trachys-problematicus\/","title":{"rendered":"Trachys problematicus"},"content":{"rendered":"<h1><em>Trachys problematicus<\/em> Oberberger, 1918<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bladmineerders.nl\/wp-content\/uploads\/2019\/09\/kwast.gif\" alt=\"Trachys problematicus: occupied mine\" width=\"250\" height=\"282\" class=\"alignnone size-full wp-image-686763\" \/><br \/>\n<br \/>\n<\/p>\n<p class=\"en-bijschrift\">occupied mine (from Kwast)<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-mine\">mine<\/h3>\n<p>Full depth, transparant blotch. Oviposition site covered by a shining black drop of hardened secretion. Frass in granules or thread fragments. Pupation in the mine, pupa not in a cocoon.<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-hostplant\">host plants<\/h3>\n<p>Lamiaceae, monophagous<\/p>\n<p><\/p>\n<p class=\"latinnames\"><em><a href=\"https:\/\/bladmineerders.nl\/stachys\">Stachys<\/a> annua, cretica subsp. salviifolia, germanica, recta<\/em>.<\/p>\n<p><br \/>\n<\/p>\n<p><em>S. recta<\/em> seems the most important host plant). Bil\u00fd (2002a) also mentions <em>Mentha<\/em>, but this may be due to confusion with <em>T. scrobiculatus<\/em>.<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-phenology\">phenology<\/h3>\n<p>Larvae in June-July (Hering, 1957a).<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-distribution\">BENELUX<\/h3>\n<p>BE not recorded (Fauna Europaea, 2007).<\/p>\n<p>NE recorded (Fauna Europaea, 2007), but there are no Dutch records to support this.<\/p>\n<p>LUX not recorded (Fauna Europaea, 2007).<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-distribution\">distribution within Europe<\/h3>\n<p>From Germany to Russia and Bulgaria (Fauna Europaea, 2007).<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-larva\">larva<\/h3>\n<p>Described by von Frauenfeld (1864a, as <em>T. pumila<\/em>).<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-pupa\">pupa<\/h3>\n<p>von Frauenfeld (1864a).<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-synonym\">synonyms<\/h3>\n<p><em>Trachys problematica<\/em>.<\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-remark\">notes<\/h3>\n<p>Also on <em>Stachys<\/em> mines <em><a href=\"https:\/\/bladmineerders.nl\/trachys-quercicola\">Trachys quercicola<\/a><\/em>, and Hering (1957a) suggests that the two might have a subspecific relationship. The distribution patterns certainly supports Hering&#8217;s idea, but the Fauna Europaea (2007) treats them as two independent species.<\/p>\n<p><\/p>\n<p><br \/>\n<\/p>\n<h3 class=\"head-references\">references<\/h3>\n<p><\/p>\n<p class=\"references\">Beiger (1960a, 1979a), Bil\u00fd (2002a), Brechtel &#038; Kostenbader (2002a), von Frauenfeld (1864a), Gottwald &#038; Hornburg (2004a), Hering (1930a,b, 1957a), Kirichenko &#038;  Gomboc (2023a), Kwast (2013a), Panin, S\u0103vulecu &#038; Ruic\u0103nescu (2015a), Sakalian (2003a), \u0160korp\u00edk, K\u0159ivan &#038; Kraus (2011a).<\/p>","protected":false},"excerpt":{"rendered":"<p>Trachys problematicus Oberberger, 1918 occupied mine (from Kwast) mine Full depth, transparant blotch. Oviposition site covered by a shining black drop of hardened secretion. Frass in granules or thread fragments. Pupation in the mine, pupa not in a cocoon. host plants Lamiaceae, monophagous Stachys annua, cretica subsp. salviifolia, germanica, recta. S. recta seems the most [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":19359,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"parasite-species.php","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-19365","page","type-page","status-publish","hentry","category-parasite"],"_links":{"self":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/19365","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=19365"}],"version-history":[{"count":0,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/19365\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/19359"}],"wp:attachment":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/media?parent=19365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/categories?post=19365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/tags?post=19365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}