POLEMONIUM. Jacob's ladder. [Polmoniaceae]

Three species of Polemonium are recorded in Britain. These include the native Jacob's-ladder (P. caerulum).

Only one Diptera miner, Liriomyza strigata, is recorded on Polemonium in Britain (Edmunds, 2007).

The polyphagous agromyzid Liriomyza huidobrensis has been recorded in quarantine in Britain (Dom Collins (pers. comm.)).

Elsewhere the polyphagous agromyzids Liriomyza bryoniae, Liriomyza huidobrensis and Liriomyza strigata are recorded mining Polemonium.

No non-Diptera miners are recorded on Polemonium in Britain.

See SONCHUS