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