<\/p>\n
Incl. Diotis, Otanthus, Ptarmica<\/em>.<\/p>\n 1a<\/strong> fleck mine => 2<\/p>\n 1b<\/strong> corridor or blotch => 9<\/p>\n 1c<\/strong> galls, etc => Tables for all parasites per species<\/a><\/p>\n<\/div>\n <\/p>\n 2a<\/strong> case helicoidal; holes in the mines not neatly circular, rim not with stubbles of bitten silk: Apterona helicoidella<\/a><\/em><\/p>\n 2b<\/strong> case more or less straight, tubular; rim with stubbles => 3<\/p>\n<\/div>\n <\/p>\n 3a<\/strong> lobe case: Coleophora ptarmicia<\/a><\/em><\/p>\n 3b<\/strong> no lobe case => 4<\/p>\n<\/div>\n <\/p>\n 4a<\/strong> case black => 5<\/p>\n 4b<\/strong> case more or less straw coloured => 7<\/p>\n<\/div>\n <\/p>\n 5a<\/strong> case laterally compressed => 6<\/p>\n 5b<\/strong> case laterally hardly compressed, tubular: Coleophora ditella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 6a<\/strong> mouth angle 0\u00b0-10\u00b0, case flat on the leaf: Coleophora vibicigerella<\/a><\/em><\/p>\n 6b<\/strong> mouth angle about 45\u00b0, case oblique on the leaf: Coleophora partitella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 7a<\/strong> case felty or hairy => 8<\/p>\n 7b<\/strong> case smooth => 9<\/p>\n<\/div>\n <\/p>\n 8a<\/strong> case slender, felty, up to 12 mm: Coleophora expressella<\/a><\/em><\/p>\n 8b<\/strong>case squat, long-hairy, much smaller: Coleophora millefolii<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 9a<\/strong> larva: head and pronotum dark brown to black: C. follicularis<\/a><\/em><\/p>\n 9b<\/strong> head and pronotum very pale brown => 10<\/p>\n<\/div>\n <\/p>\n 10a<\/strong> larva: rear margin of pronotum a fine dark line: Coleophora trochilella<\/em><\/a><\/p>\n 10b<\/strong> rear margin of pronotum with two dark spots: Coleophora gardesanella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 11a<\/strong> small, full depth blotch (usually at the leaf margin\/tip), where an oval excision is made: Incurvaria praelatella<\/a><\/p>\n 11b<\/strong> mine different, never with an excision => 12<\/p>\n<\/div>\n <\/p>\n 12a<\/strong> mine full depth, transparent; larva with thoracic feet and a chitinised head => 13<\/p>\n 12b<\/strong> mine upper- or lower-surface, not transparent; larva a maggot => 18<\/p>\n<\/div>\n <\/p>\n 13a<\/strong> mine small, of indefinite shape => 14<\/p>\n 13b<\/strong> mine larger, corridor or blotch => 15<\/p>\n<\/div>\n <\/p>\n 14a<\/strong> pinacula colourless (only the base of the setae dark): Cnephasia incertana<\/a><\/em><\/p>\n 14b<\/strong> pinacula black: Cnephasia asseclana<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 15a<\/strong> mine begins as a narrow corridor with a central frass line =>16<\/p>\n 15b<\/strong> mine different, blotch or tentiform, without a corridor beginning => 17<\/p>\n<\/div>\n <\/p>\n 16a<\/strong> older larvae make fleck mines, in which the enter the leaf from its very margin: Bucculatrix clavenae<\/a><\/em><\/p>\n 16b<\/strong> older larvae generally live free: Bucculatrix cristatella<\/em><\/a><\/p>\n<\/div>\n <\/p>\n 17a<\/strong> larva with red dorsal length lines: Scrobipalpa proclivella<\/a><\/em><\/p>\n 17b<\/strong> larva with only dark green dorsal length lines: Sophronia humerella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 18a<\/strong> mine with conspicuous primary and secondary feeding lines => 19<\/p>\n 18b<\/strong> no feeding lines apparent => 20<\/p>\n<\/div>\n <\/p>\n 19a<\/strong> yellow-brown blotch; most frass concentrated in a blackish centre: Trypeta artemisiae<\/em><\/a><\/p>\n 19b<\/strong> blotch or wide corridor; frass scattered, no dark centre: Trypeta zoe<\/em><\/a><\/p>\n<\/div>\n <\/p>\n 20a<\/strong> pale green blotch mine: Calycomyza artemisiae<\/em><\/a><\/p>\n 20b<\/strong> corridor mine => 21<\/p>\n<\/div>\n <\/p>\n 21a<\/strong> narrow corridor that ends upon a thick vein: Ophiomyia curvipalpis<\/em><\/a><\/p>\n 21b<\/strong> corridor does not end this way => 22<\/p>\n<\/div>\n <\/p>\n 22a<\/strong> puparium in the mine, usually in a lower-surface pupal chamber: Chromatomyia cf syngenesiae<\/em><\/a><\/p>\n 22b<\/strong> puparium formed after the mine has been vacated => 23<\/p>\n<\/div>\n <\/p>\n 23a<\/strong> frass in strings or pearl chains => 24<\/p>\n 23b<\/strong> frass in discrete grains => 25<\/p>\n<\/div>\n <\/p>\n 24a<\/strong> pinnately branched corridor, main branch positioned upon the midrib; larva: rear spiracula with 9-13 papillae: Liriomyza strigata<\/em><\/a><\/p>\n 24b<\/strong> mine not associated with the midrib; rear spiracula with 3 papillae: Liriomyza ptarmicae<\/em><\/a><\/p>\n<\/div>\n <\/p>\n 25a<\/strong> mine an extremely narrow corridor, even in the thinnest leaf segments; only in Achillea millefolium<\/em> => 26<\/p>\n 25b<\/strong> mine less extreme; in Achillea ptarmica<\/em> (and garden achillea’s) => 27<\/p>\n<\/div>\n <\/p>\n 26a<\/strong> larvae in May – September; generally the corridor descends from leaf tip to base: Phytomyza pullula<\/a><\/p>\n 26b<\/strong> larvae in May; generally the corridor ascends from leaf base to tip: Phytomya achilleae<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 27a<\/strong> mine often follows the midrib over long distances: Phytomyza corvimontana<\/em><\/a><\/p>\n 27b<\/strong>no association with the midrib => 28<\/p>\n<\/div>\n <\/p>\n 28a<\/strong> frass in widely separated grains, therefore not clearly in two rows: Phytomyza ptarmicae<\/a><\/em><\/p>\n 28b<\/strong> frass grains closely set, clearly in two rows: Phytomyza tanaceti<\/em><\/a><\/p>\n<\/div>\n <\/p>\n Not included in the key: Bucculatrix albiguttella<\/a>, fatigatella<\/a>, humiliella<\/a>, latviaella<\/a><\/em>; Coleophora achilleae<\/a>, caelebipennella<\/a>, coarctataephaga<\/a>, lenae<\/a>, succursella<\/a><\/em>; Gnorimoschema ptarmicae<\/a><\/em>; Scrobipalpula seniorum<\/a><\/em>.<\/p>\n <\/p>","protected":false},"excerpt":{"rendered":" Achillea sneezewort, yarrow, milfoil Incl. Diotis, Otanthus, Ptarmica. (For a dichotomous table for galls on Achillea by Hans Roskam click here) Dichotomous table for leafminers 1a fleck mine => 2 1b corridor or blotch => 9 1c galls, etc => Tables for all parasites per species 2a case helicoidal; holes in the mines not neatly […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":294189,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"host-genus.php","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-31302","page","type-page","status-publish","hentry","category-host-plant"],"_links":{"self":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/31302","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=31302"}],"version-history":[{"count":0,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/31302\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/294189"}],"wp:attachment":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/media?parent=31302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/categories?post=31302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/tags?post=31302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}(For a dichotomous table for galls on Achillea<\/em> by Hans Roskam click here<\/a>)<\/p>\n
\n
Dichotomous table for leafminers<\/h2>\n