Arrowhead scale - Unaspis yanonensis
EEffective: August 18, 2010 - December 31, 2020
Resources:
Pest Tracker
CAPS Pest Datasheet
Screening Aids:
Taxonomic Position:
Hemiptera : Diaspididae
Pest Type:
Insects
Pest Code (NAPIS):
IRAKCVA
| No manual – See Host Matrix |
These Approved Methods are appropriate for:
2020, 2019, 2018, 2017, 2016, 2015
Major Hosts identified in the Host Matrix:
Citrus
This list includes important economic or environmental hosts but does not represent all major hosts of the pest. Check CAPS pest datasheet for complete list of hosts.
This list includes important economic or environmental hosts but does not represent all major hosts of the pest. Check CAPS pest datasheet for complete list of hosts.
Human and Animal Pathogens Transmitted:
Not known to transmit any human or animal pathogens.
Plant Pathogens and Organisms Vectored:
Not known to vector any pathogens or other associated organisms.
Survey
Approved Method(s):
| Method | Product Name / Instructions | NAPIS Survey Method |
|---|---|---|
| Visual | See the visual inspection excerpt from the guidelines. |
3031 - General Visual Observation |
Identification
ID/Diagnostic: Morphological
Morphological: Adult females can be distinguished at the genus and species level based on morphological characters observed on cleared slide-mounted specimens. Species level identification cannot be performed on nymphs or adult males. See the CPHST Pest Datasheet for more information.
Mistaken Identities:
Other armored scales of citrus, Lepidosaphes spp., Unaspis citri, and Unaspis euonymi.
Notes:
Unaspis citri is present in Florida and Louisiana and shares many of the same host plants as U. yanonensis. Unaspis euonymi occurs throughout the United States and is most often found on Euonymus spp., although it is known to occur on other hosts.