Browsing by people, organizations and landmarks: year:
Specimen
Aesculus leafminer (Unknown insect) on Aesculus glabra Willd. (Ohio buckeye)June 17 1998
Danielson, Donna
Specimen
Ascochyta blight (Ascochyta syringae) on Syringa vulgaris L. (common lilac)May 1 1998
Danielson, Donna
Specimen
Asian longhorned beetle (Anoplophora glabripennis) on Acer saccharinum L. (silver maple)August 11 1998
Danielson, Donna, Jacobs, Karel, Wiegrefe, Sue
Specimen
Azalea sawfly (Mematus lipovskyi) on Rhododendron calendulaceum f. aurantium (Flame azalea)May 20 1998
Danielson, Donna
Specimen
Imported currantworm (Nematus ribesii) on Ribes sativum (Reichenbach) Syme (garden current)May 16 1998
Danielson, Donna
Specimen
Larch adelgid (Adelges lariciatus) on Larix decidua Mill. (European larch)May 20 1998
Danielson, Donna
Specimen
Leaf blight of witch hazel (Phyllosticta hamamelidis) on Hamamelis virginiana L. (common witch-hazel)May 28 1998
Danielson, Donna
Specimen
Lilac anthracnose (Discula spp.) on Syringa pekinensis Rupr. (Peking lilac)May 6 1998
Danielson, Donna
Specimen
Brown Rot (Monilinia) (Monilinia fructicola) on Prunus triloba Lindl. (flowering almond)May 21 1998
Danielson, Donna
Specimen
Roseslug sawfly larvae damage (Endelomyia aethiops) on Amelanchier spp. (Serviceberry)June 10 1998
Danielson, Donna
Specimen
Thyronectria canker (Thyronectria austro-americana) on Gleditsia caspica Desf. (Caspian-locust)July 30 1998
Danielson, Donna