Sagittaria, Arrowhead *

fam. Alismataceae

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

1b galls, etc => 100

100a Nematoda => 101

100b Acari => 102

100c Coleoptera => 103

100e Diptera => 104

100f Hemiptera => 105

100d Hymenoptera => 106

100g rust fungi => 107

100h smut fungi => 108

100i powdery and downy mildews => 109

100j other causers => 110

108 – smut fungi

108a Doassansiaceae: Doassansia sagittariae

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

20/11/2014