Sunflower Leaf Beetle vs Yellow Swarming Fly

Side-by-side species comparison

Attribute Sunflower Leaf Beetle Yellow Swarming Fly
Scientific Name Zygogramma exclamationis Thaumatomyia notata
Order Coleoptera Diptera
Family Chrysomelidae Chloropidae
Size 6-8 mm 2-2.5 mm
Habitat Grasslands Grasslands
Diet Herbivores Predators
Regions North America Europe
Conservation Least Concern Least Concern

Sunflower Leaf Beetle

A pale yellowish-brown beetle with dark brown elytral stripes that curve to form an exclamation-mark-like pattern. It feeds on sunflower and related composites.

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Did You Know?

Its species name 'exclamationis' refers to the exclamation-point-shaped dark mark on each elytron.

Yellow Swarming Fly

A tiny yellow fly famous for forming enormous hibernation aggregations in buildings, sometimes numbering millions. Larvae are predatory on root aphids in grassland.

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Did You Know?

Can form hibernation clusters of millions in attic spaces, with individual aggregations weighing several kilograms.