Tragopogon goat’s-beard, jack-go-to-bed-at-noon, salsify

Dichotomous table for leafminers

See also the closely related genus Geropogon.

1a pupation in the mine in a, usually lower-surface, pupal chamber; mine independent of the midrib: Chromatomyia cf. syngenesiae

1b larva leaves the mine prior to puation through a semicircular exit slit in the epidermis; main branch of the corridor positioned over the midrib => 2

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

2a side branches of the mine long and slender; frass in strings: Liriomyza strigata

2b side branches short and broad; frass in irregular lumps: Liriomyza tragopogonis

Not included in the key: Liriomyza groschkei, Liriomyza trifolii.

mod 9.x.2017