Dogbane Webworm

It’s Dogbane Webworm, Not Fall Webworm

When I first saw the webbed nests of the Dogbane Webworm (Saucrobotys futilalis, family Crambidae) on Hemp Dogbane (Apocynum cannabinum, family Apocynaceae), I thought the culprits were fall webworms (Hyphantria cunea, family Erebidae). After all, this native moth has a very wide host range and it’s not uncommon to find their nests on herbaceous perennials.
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Joe Boggs