Spiraea
Guides
Illinoia spiraecola
spirea aphid, green citrus aphid
Illinoia spiraecola is a medium-sized aphid species in the family Aphididae. It is primarily associated with Spiraea (spirea) as a host plant and has been documented as a pest of citrus in some regions. The species exhibits the typical aphid life cycle with both sexual and parthenogenetic generations, and produces alate (winged) dispersal morphs.
Parornix spiraeifoliella
Parornix spiraeifoliella is a small moth in the family Gracillariidae, first described by Braun in 1918. The species is documented only from British Columbia, Canada. Its larvae are leaf miners that develop on Spiraea species, creating distinctive wrinkled mines on the undersides of leaves. The species has been observed 26 times on iNaturalist.