July 7, 2020 by mgnvmmfVerbena_hastata_with_Spilosoma_virginica_yellow_woolybear_caterpillar_Sep_MMF Beware the hairs of yellow bear (Spilosoma virginica ) climbing on its host plant Verbena hastata (blue vervain) in September.Photo © Mary Free About mgnvmmf Previous Post:Verbena_hastata_with_Spilosoma_virginica_yellow_woolybear_caterpillar_Sep_MMF