Venezuelan Pebble Toad Fly vs Blue Cuckoo Wasp

Side-by-side species comparison

Attribute Venezuelan Pebble Toad Fly Blue Cuckoo Wasp
Scientific Name Pantophthalmus bellardii Trichrysis cyanea
Order Diptera Hymenoptera
Family Pantophthalmidae Chrysididae
Size 30-40 mm body length 5-8 mm
Habitat Woodlands Woodlands
Diet Parasitoids Wood Feeders
Regions South America (Venezuela, Brazil, Colombia, Peru) Europe, Asia
Conservation Least Concern Least Concern

Venezuelan Pebble Toad Fly

One of the largest flies in the world, with robust bodies reaching 40 mm and a wingspan exceeding 70 mm. The larvae develop inside rotting tree trunks. Adults resemble large bumblebees and are strong, buzzing fliers attracted to fermenting sap.

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Did You Know?

It is among the largest flies on Earth, with larvae that bore through hardwood so effectively they were once thought to be beetle larvae.

Blue Cuckoo Wasp

A uniformly deep blue metallic cuckoo wasp found across Europe and Asia. It parasitizes various cavity-nesting wasps and bees in dead wood and walls.

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Did You Know?

Its entirely blue coloration without any red or gold makes it one of the most distinctive cuckoo wasps in Europe.