<\/p>\n
1a<\/strong> fleck mine; larva mines from a case => 2<\/p>\n 1b<\/strong> fleck mine; larva free in the leaf => 10<\/p>\n 1c<\/strong> corridor or blotch; larva not in a case => 6<\/p>\n 1d<\/strong> galls, etc => Tables for all parasites per species<\/a><\/p>\n<\/div>\n <\/p>\n 2a<\/strong> case black, made of silk \u201csheath case\u201d =>3<\/p>\n 2b<\/strong> case different, composed of leaf material => 5<\/p>\n<\/div>\n <\/p>\n 3a<\/strong> case narrowed behind the mouth, especially ventrally: Coleophora ditella<\/a><\/em><\/p>\n 3b<\/strong> case hardly constricted behind the mouth => 4<\/p>\n<\/div>\n <\/p>\n 4a<\/strong> case dorsally with some length ridges; ventrally a deep keel: Coleophora caelebipennella<\/a><\/em><\/p>\n 4b<\/strong> case smooth dorsally; ventrally almost without a keel: Coleophora helichrysiella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 5a<\/strong> case straight, tubular, felty hairy, large (12 mm): Coleophora directella<\/a><\/em><\/p>\n 5b<\/strong> case curved, hairs longer; case much smaller: Coleophora gnaphalii<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 6a<\/strong> mine upper- or lower-surface, greenish in transparency; larva a maggot => 7<\/p>\n 6b<\/strong> mine full depth; larva with thoracic feet and chitinised head => 9<\/p>\n<\/div>\n <\/p>\n 7a<\/strong> corridor, widening into a large blotch: Phytomyza kyffhusana<\/a><\/em><\/p>\n 7b<\/strong> corridor from start to end => 8<\/p>\n<\/div>\n <\/p>\n 8a<\/strong> pupation in the mine in a, usually lower-surface, pupal chamber; corridor little if at all branched: Chromatomyia cf syngenesiae<\/a><\/em><\/p>\n 8b<\/strong> pupation outside the mine; mine pinnately branched, main branch overlying the midrib: Liriomyza strigata<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 9a<\/strong> the young larva makes a long, thread thin corridor with a central frass line; older larvae live free in the leaf, making fleck mines => 10<\/p>\n 9b<\/strong> youth mines similar (starting in the leaf base), but the older larva remains in the leaf, making a broad corridor or a bloch => 11<\/p>\n 9c<\/strong> youth mines different; neither are fleck mines made => 12<\/p>\n<\/div>\n <\/p>\n 10a<\/strong> larva: pronotum with black dots; on H. arenarium<\/em>: Bucculatrix gnaphaliella<\/a><\/em><\/p>\n 10b<\/strong> pronotum whitish; on H. italicum<\/em>: Bucculatrix helichrysella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 11a<\/strong> larva yellow, head brown; on H. arenarium<\/em>: Digitivalva reticulella<\/a><\/em><\/p>\n 11b<\/strong> larva pale green, head pale yellow; on H. italicum<\/em>: Digitivalva eglanteriella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 12a<\/strong> mine contains much frass: Tebenna micalis<\/a><\/em><\/p>\n 12b<\/strong> almost all frass in ejected from the mine => 13<\/p>\n<\/div>\n <\/p>\n 13a<\/strong> pupation outside the leaf; larva in a silken tube, covered with sand, from where low leaves are mined out => 14<\/p>\n 13b<\/strong> pupation within the leaf, or in a cocoon that is connected to the leaf => 15<\/p>\n<\/div>\n <\/p>\n 14a<\/strong> larva uniformly light grey: Scrobipalpula psilella<\/a><\/em><\/p>\n 14b<\/strong> larva green with dark green length lines: Sophronia humerella<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 15a<\/strong> the larva makes cocoon that is fixed to a stalk; from here silken tubes are made towards neighbouring leaves, that are mined; pupation in this cocoon: Isidiella divitella<\/a><\/em><\/p>\n 15b<\/strong> no such cocoon is made => 16<\/p>\n<\/div>\n <\/p>\n 16a<\/strong> on H. arenarium<\/em>: Vulcaniella pomposella<\/a><\/em><\/p>\n 16b<\/strong> on H. italicum, italicum subsp. serotinum & stoechas<\/em>: Vulcaniella fiordalisa<\/a><\/em><\/p>\n<\/div>\n <\/p>\n The noctuid, Eublemma minutata<\/a><\/em> eats the leaves of H. arenarium<\/em>, including the upper and lower epidermis.<\/p>\n Not included in the key: Jordanita chloros<\/a><\/em>l Liriomyza trifolii<\/a><\/em>; Sophronia humerella<\/a>.<\/p>\n <\/p>","protected":false},"excerpt":{"rendered":" Helichrysum Strawflower (For a dichotomous table for galls on Helichrysum by Hans Roskam click here) Dichotomous table for leafminers 1a fleck mine; larva mines from a case => 2 1b fleck mine; larva free in the leaf => 10 1c corridor or blotch; larva not in a case => 6 1d galls, etc => Tables […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":294229,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"host-genus.php","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-31343","page","type-page","status-publish","hentry","category-host-plant"],"_links":{"self":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/31343","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=31343"}],"version-history":[{"count":0,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/31343\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/294229"}],"wp:attachment":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/media?parent=31343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/categories?post=31343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/tags?post=31343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}