Typha, bulrush

fam. Typhaceae

1a larva mines in autumn in the leaf sheaths: Limnaecia phragmitella

1b larva mines in the leaves, earlier in the season => 2

2a larva: anal shield with thickened rim, ending in two diverging teeth: Orthotelia sparganella

2b anal shield untoothed, without a thickened rim => 3

3a larva: all segments dorsally with two greyish brown sclerites, one behind the other: Calamotropha paludella

3b apart from thoracic and anal plates no dorsal sclerites => 4

4a larva yellowish brown; no pinacula visible: Nonagria typhae

4b larva greenish; pinacula small, but visible as fine black dots => 5

5a larva: greyish green with three vague but bright green length lines: Globia sparganii

5b greyish green with one sharp bluish green mid-dorsal length line: Globia algae

Not included in the key: Liriomyza trifolii.

06/03/2011