<\/p>\n
1a<\/strong> pinnately branched gallery, main and side branches on top of the midrib and side veins: Liriomyza strigata<\/a><\/em><\/p>\n 1b<\/strong> blotch, or little, not pinnately, branched gallery; mine not determined by the leaf venation => 2<\/p>\n 1c<\/strong> galls, etc => Tables for all parasites per species<\/a><\/p>\n<\/div>\n <\/p>\n 2a<\/strong> larva a maggot; mine partly or entirely upper- or lower-surface => 3<\/p>\n 2b<\/strong> larva with chitinised head; mine full depth => 6<\/p>\n<\/div>\n <\/p>\n 3a<\/strong> gallery from start to end => 4<\/p>\n 3b<\/strong> blotch, may begin with a gallery => 5<\/p>\n<\/div>\n <\/p>\n 4a<\/strong> pupation within the mine, in a, generally lower-surface, pupal chamber; frass in well-spaced grains: Chromatomyia horticola<\/a><\/em><\/p>\n 4b<\/strong> pupation external; frass in strings: Liriomyza brassicae<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 5a<\/strong> frass powdery, in dark green \u201cclouds\u201d in corners of the mine, often visibly only after the mine has been opened: Scaptomyza flava<\/a><\/em><\/p>\n 5b<\/strong> frass in black strings: Liriomyza xanthocera<\/a><\/em><\/p>\n<\/div>\n <\/p>\n 6a<\/strong> larva with prolegs; older larvae live free at the underside of the leaf: Plutella xylostella<\/a><\/em><\/p>\n 6b<\/strong> no prolegs; larvae mine all their life => 7<\/p>\n<\/div>\n <\/p>\n