Insects Feeding
on Milkweeds
(Asclepias spp.)

Insect Species
Scientific Name &
Common Name (if any)
Insect Family
Tetraopes femoratus*
(Western Milkweed Beetle)
Cerambycidae
(Long-horned Beetles)
Tetraopes tetrophthalmus*
(Red Milkweed Beetle)
Cerambycidae
(Long-horned Beetles)
Labidomera clivicollis** (1)
Swamp Milkweed Leaf Beetle)
Chrysomelidae
(Leaf Beetles)
Rhyssomatus lineaticollis***
(Milkweed Stem Weevil)
Curculionidae
(Weevils)
Liriomyza asclepiadis (2)
(Milkweed Leaf-miner Fly)
Agromyzidae
(Leaf-miner Flies)
Neolasioptera asclepiae (3)
(Milkweed Stem Midge)
Cecidomyiidae
(Gall Flies)
Lygaeus kalmii
(Small Milkweed Bug)
Lygaeidae
(Seed Bugs)
Oncopeltus fasciatus
(Large Milkweed Bug)
Lygaeidae
(Seed Bugs)
Aphis asclepiadis Aphididae
(Aphids)
Aphis nerii
(Yellow Milkweed Aphid)
Aphididae
(Aphids)
Myzocallis asclepiadis Aphididae
(Aphids)
Cycnia inopinatus** (4)
(Unexpected Cycnia)
Arctiidae
(Tiger Moths)
Cycnia tenera**
(Delicate Cycnia)
Arctiidae
(Tiger Moths)
Euchaetes egle (5)
(Milkweed Tussock Moth)
Arctiidae
(Tiger Moths)
Danaus plexippus**
(Monarch)
Nymphalidae
(Brush-footed Butterflies)

*larvae bore through roots, adults feed on young leaves, buds, & flowers
**feeds on leaves & flowers, ***larvae & adults feed on stems
larvae tunnel through leaves, larvae cause slight swelling of leaf bases
feeds primarily on seedpods, sucks plant sap, feeds on leaves

(1) prefers Swamp Milkweed (Asclepias incarnata)
(2) found on Common Milkweed (Asclepias syriaca), Prairie Milkweed (Asclepias sullivantii),
& Purple Milkweed (Asclepias purpurascens),
(3) found on Swamp Milkweed (Asclepias incarnata)
(4) prefers Butterfly Milkweed (Asclepias tuberosa)
(5) prefers Common Milkweed (Asclepias syriaca)

Sources: Yanega (1996), Clark et al. (2004), Marshall (2006), Betz et al. (1997),
Felt (1917), Hoffman (1996), Hottes & Frison (1931), Covell (1984/2005),
Bouseman & Sternburg (2001)

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