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Insects Feeding
on this Plant:

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Sagittaria latifolia
(Common Arrowhead) [Alismataceae]
(observations are from Marshall, Clark et al., O'Brien, Harms & Grodowitz, Gangwere, Pepper, Majka et al.)

Coleoptera (Beetles)

Chrysomelidae: Donacia caerulea [feeds on roots and/or leaves, found in E. USA] Clk2004 HG2009, Donacia parvidens Clk2004, Donacia subtilis [feeds on roots and/or leaves, found in E. USA & SE Canada] HG2009; Coccinellidae: Coleomegilla maculata (Spotted Lady Beetle) [this insect is a significant predator of insect herbivores on this plant, found on floating & aerial leaves] HG2009; Curculionidae: Listronotus appendiculatus [feeds on leaves, petioles, & stems; found in north-central USA, south-central USA, & Ontario] Obr1997 HG2009, Listronotus delumbis [breeds in stems & flowering scapes, this insect is widely distributed in North America] Msh2006 Obr1997 HG2009 MAM2007, Listronotus echinodori [larvae feed in stems; found in E. USA, central USA, & adjacent areas of Canada] HG2009, Listronotus squamiger [larvae feed in stems; this insect is widely distributed] Obr1997 HG2009 MAM2007, Lixellus lutulentus [feeds on leaves & petioles, observed in Michigan] HG2009

Homoptera (Sucking Insects)
Aphididae: Aphis gossypii (Cotton Aphid) [polyphagous] Pp1965, Macrosiphum euphorbiae (Potato Aphid) [polyphagous] Pp1965, Myzus persicae (Green Peach Aphid) [polyphagous] Pp1965, Rhopalosiphum nymphaeae (Waterlily Aphid) [feeds on floating & aerial leaves, polyphagous; this insect is widely distributed in North America] HG2009

Lepidoptera (Butterflies, Skippers, & Moths)
Crambidae: Parapoynx obscuralis (Obscure Pondweed Moth) [larvae feed on floating & aerial leaves, found in E. USA & SE Canada] HG2009

Orthoptera (Grasshoppers)
Acrididae: Melanoplus bivittatus (Two-striped Grasshopper) [feeds on leaves, both field & lab observations] Ggw1961, Paroxya atlantica (Atlantic Grasshopper) [range in the E. USA extends northward to Illinois & New Jersey] HG2009, Paroxya clavuliger (Olive-Green Swamp Grasshopper) [range in the E. USA extends northward to Indiana & Massachusetts] HG2009, Paroxya hoosieri (Indiana Swamp Grasshopper) [lab observations] Ggw1961; Tettigoniidae: Amblycorypha oblongifolia (Oblong-winged Katydid) [lab observations] Ggw1961, Conocephalus brevipennis (Short-winged Meadow Katydid) [feeds on leaves, field observations] Ggw1961, Conocephalus fasciatus (Slender Meadow Katydid) [lab observations] Ggw1961, Orchelimum gladiator (Gladiator Meadow Katydid) [lab observations] Ggw1961, Scudderia curvicauda (Curve-tailed Bush Katydid) [lab observations] Ggw1961

Trichoptera (Caddisflies)
Leptoceridae: Leptocerus americanus [larvae feed on submerged leaves & petioles; found in Illinois, Michigan, & other areas] HG2009, Triaenodes abus [larvae feed on submerged leaves, petioles, stems, & buds; found in E. USA, syn. Triaenodes aba] HG2009, Triaenodes ignitus [larvae feed on submerged leaves, petioles, & stems; found in E. USA, including Michigan] HG2009, Triaenodes marginatus [larvae feed on submerged leaves, petioles, & stems; found in E. USA, including Michigan] HG2009
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