Fall Webworm vs Trinidad Morpho Butterfly

Side-by-side species comparison

Attribute Fall Webworm Trinidad Morpho Butterfly
Scientific Name Hyphantria cunea Morpho achilles trinidadensis
Order Lepidoptera Lepidoptera
Family Erebidae Nymphalidae
Size 25-42 mm wingspan 95-110 mm wingspan
Habitat Grasslands Forests
Diet Herbivores Sap Feeders
Regions North America, Europe, Asia Trinidad
Conservation Not Evaluated Not Evaluated

Fall Webworm

A native North American moth whose caterpillars build communal silk webs on tree branches. It has become invasive in Europe and Asia.

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Did You Know?

Unlike tent caterpillars, fall webworm nests enclose the foliage the larvae are feeding on.

Trinidad Morpho Butterfly

A subspecies of morpho butterfly found in Trinidad with bright blue iridescent wings. It flies in forest clearings and along rivers.

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Did You Know?

Its blue color is structural, produced by nanoscale ridges on the wing scales rather than pigment.