Rumex dock, sorrel
Incl. Acetosa, Acetosella.
(For a dichotomous table for galls on Rumex by Hans Roskam click here)
Dichotomous table for leafminers
1a brown tentiform mine: Calybites phasianipennella
1b tiny corridor or blotch, < 1 cm, usually several in a leaf: Hypera rumicis
1c corridor, may widen into a blotch => 2
1d blotch, without an evident initial corridor => 8
1e galls, etc. => Tables for all parasites per species
Dichotomous table for leafminers
1a brown tentiform mine: Calybites phasianipennella
1b tiny corridor or blotch, < 1 cm, usually several in a leaf: Hypera rumicis
1c corridor, may widen into a blotch => 2
1d blotch, without an evident initial corridor => 8
1e galls, etc. => Tables for all parasites per species
2a corridor epidermal, silvery: Calybites phasianipennella (young mine)
2b corridor full depth => 3
3a corridor hardly widening => 4
3b corridor appreciably widened in the end => 5
4a the corridor makes about 5 circles or semicircles around the egg: Enteucha acetosae
4b corridor not spiraled: Adscita statices
5a larva slender, very active when disturbed, with light brown head => 6
5b larva compact, sluggish, with a black head => 7
6a gallery contains but little frass: Teleiopsis diffinis
6b gallery with much frass: Teleiopsis rosalbella
7a imago (beetle): metallic green: Mantura chrysanthemi
7b imago steel blue: Mantura obtusata
8a blotch rather small, with broad extensions, usually at the leaf margin; larva with chitinised head; at start of the mine no egg shells visible: Mantura rustica
8b blotch large, eventually huge; larvae maggots; at the start of the mine, at the leaf underside, a group of elongated egg shells => 9
9a larva: mandible with some fine teeth (rare): Pegomya bicolor
9b larva: mandible with two large and some fine teeth (rare): Pegomya vanduzeei
9b mandible with ± 3 large teeth (very common): Pegomya solennis
Not included in the key: Cnephasia asseclana, incertana; Liriomyza trifolii; Monochroa rebeli, rumicetella, sepicolella; Neofriseria peliella; Orthochaetes setiger; Pegomya haemorrhoum; Teleiopsis lunariella.