Clarissa Balbalian (Chair, National Data Committee)
The Communicator: Volume 6, Issue 11, November 2025
The following lists document additions, modifications and deletions to the National Data Repository (NDR) Host and Pest dictionaries that were implemented in October. You can view updates to the NPDN host and pest dictionaries any time by logging into NDR clicking on the Dictionaries tab, selecting the Change Request tab, and selecting Updates from the dropdown menu.
A guideline to understanding data dictionaries in the NDR is available to NPDN members online. NPDN members also have access to an online guideline on how to request new host/pest codes or changes to existing codes. Members must be logged in to access the NDR and the guidelines.
Entries below are listed alphabetically by common name followed by the scientific name appearing in parentheses.
Host Dictionary Updates
New host additions
Splitbeard bluestem (Andropogon ternarius)
Blue Vervain (Verbena hastata)
Redleaf Rose (Rosa glauca)
Carpetgrass (Axonopus sp./spp.)
Hybrid Orchid (Paphiopedilum Varuna)
Hybrid Orchid (Paphiopedilum Bruno)
Hybrid Orchid (Paphiopedilum Honey)
Hybrid Orchid (Cattleya Park Ridge)
Hybrid Orchid (x Rhyncholaeliocattleya Lawless Zauberfl)
Hybrid Orchid (Cattleya Nancy Off)
Hybrid Orchid (Brassia Rex)
Hybrid Orchid (Phragmipedium Bouley Bay)
Hybrid Orchid (Cattleya Canhamiana)
Hybrid Orchid (× Rhyncholaeliocattleya Hisako Akatsuka)
Orchid (Pleurothallis ruscifolium)
Percival's Cattleya (Cattleya percivaliana)
Giant Vandopsis Orchid (Vandopsis gigantea)
Orchid (Miltoniopsis sp./spp.)
Darwin's Orchid (Angraecum sesquipedale)
Bottle gourd (Lagenaria siceraria)
Bush cherry (Prunus japonica)
Senna (Senna sp./spp)
American senna (Senna hebecarpa)
Leatherleaf (Chamaedaphne calyculata)
Modified hosts
None
Deleted hosts*
None
Pest dictionary updates
New pest codes
Cottonseed (Gossypium hirsutum)
Bacterial decline (Acidovorax avenae)
Bird nest barklice (Psoquilla marginepunctata)
Leaf miner damage (Family Agromyzidae)
Hop tree (Ptelea trifoliata)
Gulf fritillary (Agraulis incarnata)
Fall field cricket (Gryllus pennsylvanicus)
American walnut aphid (Monelliopsis caryae)
Sumac speckled lanternfly (Poblicia fuliginosa)
Leaf spot (Cercospora populina)
Leaf spot (Septoria liquidambaris)
Leaf spot (Bipolaris gigantea)
Sour rot (Aspergillus sp./spp.)
Verticillium stripe (Verticillium longisporum)
Army ant (Subfamily Dorylinae)
Army ant (Labidus sp./spp.)
Rose mosaic (ApMV) (Ilarvirus Apple Mosaic Virus)
Rose Mosaic (Various viruses)
Halo blight (Diaporthe humulicola)
Cupgrass (Eriochloa sp./spp.)
Modified pest codes
Sunflower broomrape (Orobanche cumana)
Bacterial decline (Acidovorax avenae)
Leaf miner damage (Family Agromyzidae)
Leaf rot; Stem rot; Petal spot (Plectosphaerella delsorboi)
Rice leaf scald (Microdochium albescens)
Leaf scald (Microdochium albescens)
Snow mold (Microdochium nivalis)
Army ant (Subfamily Dorylinae)
Rose mosaic (ApMV) (Ilarvirus Apple Mosaic Virus)
Green immigrant leaf weevil (Polydrusus formosus)
Oak bullet gall wasp (Disholcaspis quercusglobulus)
Deleted pest codes*
None
*The NPDN does not delete any data. Deletion means that as of the date of the change, that host or pest code is no longer viable and the choice has been eliminated from the NDR host and/or pest dictionary.
