Emerald Ash Borer (August, 2003)
"D" shaped emergence hole (R. Rabaglia, MDA)	Infested ash trees in Maryland (R. Rabaglia, MDA)
Daylily rust, Puccinia hemerocallidis
'Pardon Me' daylily leaf infected with daylily rust, P. hemerocallidis.	Closeup of daylily leaf with pustule exuding orange urediospores.
Honey Locust Disease, probable cause, Pseudomonas syringe pv. savastanoi
Fig. 5. Tip dieback and gall on 'Shademaster' honey locust branch.	Fig. 6. Closeup of honeylocust gall at the node of a honey locust plant.

To find out more, call the Plant Protection and Weed Management Section at (410)841-5920.​