Sycamore Seed Bug vs Tersa Sphinx Moth

Side-by-side species comparison

Attribute Sycamore Seed Bug Tersa Sphinx Moth
Scientific Name Belonochilus numenius Xylophanes tersa
Order Hemiptera Lepidoptera
Family Lygaeidae Sphingidae
Size 5-7 mm 60-80 mm
Habitat Woodlands Woodlands
Diet Seed Feeders Nectar Feeders
Regions North America, Europe Southern United States, Central America, South America
Conservation Least Concern Least Concern

Sycamore Seed Bug

A seed bug native to North America that feeds exclusively on sycamore seeds. It has recently invaded Europe where it spread rapidly.

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Did You Know?

This species was first detected in Europe in 2008 and has since spread across the continent in less than a decade.

Tersa Sphinx Moth

A sleek hawk moth with narrow, pointed forewings in lavender-gray with darker streaks. It is a fast and agile flier found throughout the Americas.

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Did You Know?

The tersa sphinx caterpillar has a series of large eyespots along its body that create a convincing snake-mimic appearance.