Pleasing Fungus Beetle vs Deer Fly (Chrysops)

Side-by-side species comparison

Attribute Pleasing Fungus Beetle Deer Fly (Chrysops)
Scientific Name Gibbifer californicus Chrysops silacea
Order Coleoptera Diptera
Family Erotylidae Tabanidae
Size 10-20 mm 8-12 mm
Habitat Forests Forests
Diet Predators Blood Feeders
Regions North America West and Central Africa, Congo Basin
Conservation Least Concern Least Concern

Pleasing Fungus Beetle

A brightly colored beetle that feeds exclusively on bracket fungi on dead trees. Its warning colors signal chemical defenses to predators.

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Did You Know?

Large aggregations of dozens of adults sometimes gather on a single large shelf fungus to feed and mate communally.

Deer Fly (Chrysops)

A medium-sized fly with striking patterned wings and bright green eyes. It is the primary vector of Loa loa, the African eyeworm, in the rainforests of West and Central Africa. It bites during the day, especially around the forest canopy.

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Did You Know?

The Loa loa worm it transmits can sometimes be seen migrating across the white of the eye, earning it the name 'African eyeworm'.