{"id":33953,"date":"2010-08-07T08:32:32","date_gmt":"2010-08-07T08:32:32","guid":{"rendered":"https:\/\/bladmineerders.nl\/specials\/grass-agromyzas\/grass-agromyza\/"},"modified":"2025-07-29T17:29:52","modified_gmt":"2025-07-29T15:29:52","slug":"grass-agromyza","status":"publish","type":"page","link":"https:\/\/bladmineerders.nl\/en\/backgrounds\/specials\/grass-agromyza\/","title":{"rendered":"grass-Agromyza"},"content":{"rendered":"


\nKey to the grass-inhabiting Agromyza<\/em> larvae
\n<\/p>\n

<\/p>\n

key to Agromyza<\/em>-larvae on grasses **<\/h1>\n

Dichotomous table for leafminers<\/h2>\n
\n

1a<\/strong> the three papillae of the rear spiracula elongated, sigmoid => 2<\/p>\n

1b<\/strong> these papillae neither elongated nor sigmoid => 4<\/p>\n<\/div>\n

<\/p>\n

\n

2a<\/strong> (almost) exclusively on wild grasses, especially Dactylis glomerata: cinerascens<\/a><\/em><\/p>\n

2b<\/strong> (almost) on cultivated cereals => 3<\/p>\n<\/div>\n

<\/p>\n

\n

3a<\/strong> front spiraculum with 8 papillae: luteitarsis<\/em><\/a><\/p>\n

3b<\/strong> front spiraculum with 11-14 papillae: intermittens<\/em><\/a><\/p>\n<\/div>\n

<\/p>\n

\n

4a<\/strong> rear spiracula sessile, wide apart; only on Phragmites<\/em> => 5<\/p>\n

4b<\/strong> rear spiraculum stalked, more or less close together => 6<\/p>\n<\/div>\n

<\/p>\n

\n

5a<\/strong> pupation within the mine; species of almost entire Europe: graminicola<\/a><\/em><\/p>\n

5b<\/strong> pupation external; species from southern Spain: baetica<\/a><\/em><\/p>\n<\/div>\n

<\/p>\n

\n

6a<\/strong> rear spiracula almost touching each other, separated by less than their diameter => 7<\/p>\n

6b<\/strong> rear spiracula well separated => 10<\/p>\n<\/div>\n

<\/p>\n

\n

7a<\/strong> mandibel with 2 teeth; only on Phragmites<\/em> => 8<\/p>\n

7b<\/strong>mandibel with 4 teeth => 9<\/p>\n<\/div>\n

<\/p>\n

\n

8a<\/strong> rear arms of the cephalic skeleton weakly chitinised, yellowish: phragmitidis<\/a><\/em><\/p>\n

8b<\/strong> these arms dark brown or black: hendeli<\/em><\/a> & spenceri<\/a><\/em><\/p>\n<\/div>\n

<\/p>\n

\n

9a<\/strong> front spiraculum with 9 papillae; mainly on cultivated cereals: megalopsis<\/em><\/a><\/p>\n

9b<\/strong> front spiraculum with 12-16 papillae; only on wild grasses (preference for Phalaris<\/em>): albipennis<\/a><\/em><\/p>\n<\/div>\n

<\/p>\n

\n

10a<\/strong> bands of spines on the segments unusually wide; on abd. 8 the band dorsally occupies the entire width of the segment: nigrociliata<\/em><\/a><\/p>\n

10b<\/strong> bands of spines narrower => 11<\/p>\n<\/div>\n

<\/p>\n

\n

11a<\/strong> behind the mandibles ventrally a field with short spines => 12<\/p>\n

11b<\/strong> no such field of spinules => 14<\/p>\n<\/div>\n

<\/p>\n

\n

12a<\/strong> rear end of the blunt => 13<\/p>\n

12b<\/strong> rear end cut off obliquely: mobilis<\/a><\/a><\/em> & nigrella<\/a><\/em><\/p>\n<\/div>\n

<\/p>\n

\n

13a<\/strong> mandibel with 2 teeth: rondensis<\/em><\/a><\/p>\n

13b<\/strong> mandibel with 3 teeth: ambigua<\/em><\/a><\/p>\n<\/div>\n

<\/p>\n

\n

14a<\/strong> mandibel with 2 teeth: nigripes<\/a><\/p>\n

14b<\/strong> mandibel with 3 teeth: lucida<\/a><\/em><\/p>\n<\/div>\n

<\/p>\n

** two species could not be keyed out: Agromyza paralucida<\/a>, parca<\/a>, bromi<\/em><\/a> (possibly resembling nigrella)<\/em> and conjuncta<\/em> Spencer (larva and hostplant undescribed, possibly close to rondensis)<\/em><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

Key to the grass-inhabiting Agromyza larvae<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":33944,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"specials.php","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-33953","page","type-page","status-publish","hentry","category-specials"],"_links":{"self":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/33953","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=33953"}],"version-history":[{"count":0,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/33953\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/pages\/33944"}],"wp:attachment":[{"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/media?parent=33953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/categories?post=33953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bladmineerders.nl\/en\/wp-json\/wp\/v2\/tags?post=33953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}