Zea maize
(For a dichotomous table for galls on Zea by Hans Roskam click here)
Dichotomous table for leafminers
1a narrow corridor; larva solitary; larva and puparium set with transverse rows of long spinelike papillae; pupation outside the mine : Pseudonapomyza atra
1b mine broad; larvae usually communal; no long spines => 2
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a narrow corridor; larva solitary; larva and puparium set with transverse rows of long spinelike papillae; pupation outside the mine : Pseudonapomyza atra
1b mine broad; larvae usually communal; no long spines => 2
1c galls, etc => Tables for all parasites per species
2a puparia anchored in the mine each one with a silken strand: Cerodontha incisa
2b puparia freely in the mine: Cerodontha hammi
Not included in the key: Cerodontha superciliosa; Ephysteris promptella.