Cluster Fly vs White-Spotted Longhorn Beetle
Side-by-side species comparison
| Attribute | Cluster Fly | White-Spotted Longhorn Beetle |
|---|---|---|
| Scientific Name | Pollenia rudis | Anoplophora malasiaca |
| Order | Diptera | Coleoptera |
| Family | Calliphoridae | Cerambycidae |
| Size | 8-10 mm | 25-35 mm |
| Habitat | Gardens | Gardens |
| Diet | Parasites | Fruit Feeders |
| Regions | Europe, North America | East Asia, Japan |
| Conservation | Least Concern | Least Concern |
Cluster Fly
A medium-sized, dark gray fly with golden-brown hairs on the thorax. In autumn, it gathers in large clusters inside buildings to hibernate, sometimes in the thousands.
Did You Know?
The larvae of this fly are earthworm parasites, burrowing into the worm through its skin and consuming it alive from the inside over several weeks.
White-Spotted Longhorn Beetle
A striking longhorn beetle native to Japan with bright white spots on a glossy black body. Known as 'goma-dara-kamikiri.' A serious pest of fruit and ornamental trees whose larvae bore into living wood.
Did You Know?
This beetle's close relative, the Asian longhorned beetle, became a major invasive pest after being transported to other continents in wooden packing materials.