Sagittaria, Arrowhead

Dichotomous table for leafminers

Larvae of Chironomidae may tunnel corridors in submerged stems; these are not treated here. (Hering, 1957a, provides a key).

1amine full depth, transparant, light, later dark brown; a wide corridor changing into a blotch: Bagous alismatis

1b galls, etc => Tables for all parasites per species

mod 9.x.2017