November 10, 2021 by mgnvmmfLarge_milkweed_bug_instars_adults_new-molts_Asclepias_syriaca_Sep_MMF Oncopeltus fasciatus 4th and 5th instars, and adults (two newly molted) on the seeds of Asclepias syriaca (common milkweed). Photo © Mary Free About mgnvmmf Previous Post:Large_milkweed_bug_instars_adults_new-molts_Asclepias_syriaca_Sep_MMF