What Douglas' Knotweed supports
93
native animals
supported in the US
35
caterpillars
44
food
14
flowers
supported in the US
Caterpillars All
35 native moths and butterflies raised on it, most recorded first.
-
Lilac-bordered Copper
Tharsalea nivalis
-
White-lined Sphinx
Hyles lineata
on knotweeds
-
Ruby Tiger Moth
Phragmatobia fuliginosa
on knotweeds
-
Gem Moth
Orthonama obstipata
on knotweeds
-
Pink-barred Pseudeustrotia Moth
Pseudeustrotia carneola
on knotweeds
-
Bidens Borer Moth
Epiblema otiosana
on knotweeds
-
Black Wedge-spot
Homophoberia apicosa
on knotweeds
-
Large Lace-border Moth
Scopula limboundata
on knotweeds
Plant eaters All
44 native animals that feed on it, most recorded first.
-
Brown Bear
Ursus arctos
-
Red-winged Blackbird
Agelaius phoeniceus
on knotweeds
-
Wood Duck
Aix sponsa
on knotweeds
-
Common Gallinule
Gallinula galeata
on knotweeds
-
Song Sparrow
Melospiza melodia
on knotweeds
-
Sora
Porzana carolina
on knotweeds
-
Chipping Sparrow
Spizella passerina
on knotweeds
-
Brown-headed Cowbird
Molothrus ater
on knotweeds
Flower visitors All
14 native pollinators and other flower visitors, most recorded first.
-
Common Eastern Bumble Bee
Bombus impatiens
on knotweeds
-
Common Grass Skimmer
Paragus haemorrhous
on knotweeds
-
Pure Green Sweat Bee
Augochlora pura
on knotweeds
-
Orange-legged Furrow Bee
Halictus rubicundus
on knotweeds
-
Brown-winged Striped Sweat Bee
Agapostemon splendens
on knotweeds
-
Flat-tailed Leafcutter Bee
Megachile mendica
on knotweeds
-
Confusing Furrow Bee
Halictus confusus
on knotweeds
-
Leathery Sweat Bee
Lasioglossum coriaceum
on knotweeds