Aulacidea acroptolonica
Gall wasps are small and black. They do not have stingers.
Aphthona czwalinae
Adults are found on plants from May through July.
Agonopterix alstromeriana
Mature larvae are small, green caterpillars with three dark stripes running the length of the body.
Aceria malherbae
A. malherbae are visible when viewed under a microscope.
Scotch Broom
Native to Europe, Scotch broom grows on roadsides, pastures, open areas, and recently disturbed areas.
Russian Olive
Native to Eurasia. Russian olive is a weed of gardens, roadsides, pastures, waterways, cropland, meadows, and seasonally moist open areas.
Myrtle Spurge
Native to Eurasia, myrtle spurge is a weed of gardens, dry natural hillsides, waste areas, and public lands.
Cogongrass
Native to Asia and Africa, several cultivars of cogongrass are grown as ornamentals.
Damesrocket
Damesrocket is sold in wildflower seed mixes and is desired for its sweet scent, as a cut flower, for its essential oil, and its attraction to butterflies.
Scotch Thistle
Scotch thistle is native to Europe and eastern Asia.