Australian Harlequin Bug vs Cooley Spruce Gall Adelgid
Side-by-side species comparison
| Attribute | Australian Harlequin Bug | Cooley Spruce Gall Adelgid |
|---|---|---|
| Scientific Name | Dindymus versicolor | Adelges cooleyi |
| Order | Hemiptera | Hemiptera |
| Family | Pyrrhocoridae | Adelgidae |
| Size | 10-14 mm | 0.5-1 mm |
| Habitat | Underground | Forests |
| Diet | Predators | Gall Makers |
| Regions | Australia, Oceania | North America, Europe |
| Conservation | Least Concern | Not Evaluated |
Australian Harlequin Bug
A small but conspicuous red and black bug that often aggregates in large numbers on tree trunks, fences, and walls during autumn. Its bright colouration warns predators of its foul-tasting defensive secretions.
Did You Know?
Harlequin bugs produce a pungent smell when disturbed, and large aggregations can number in the thousands.
Cooley Spruce Gall Adelgid
A gall-forming adelgid that alternates between spruce and Douglas-fir. Cone-shaped galls on spruce tips are its most recognizable sign.
Did You Know?
The pineapple-shaped galls it forms on spruce tips are often mistaken for small cones.