Steelblue Ladybird vs Hellgrammite
Side-by-side species comparison
| Attribute | Steelblue Ladybird | Hellgrammite |
|---|---|---|
| Scientific Name | Halmus chalybeus | Nigronia serricornis |
| Order | Coleoptera | Megaloptera |
| Family | Coccinellidae | Corydalidae |
| Size | 3-4 mm | 40-60 mm wingspan |
| Habitat | Orchards | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Australia, New Zealand | Eastern North America |
| Conservation | Least Concern | Least Concern |
Steelblue Ladybird
A small metallic blue-green ladybird native to Australia. It is an important predator of scale insects on citrus and eucalyptus trees.
Did You Know?
Its iridescent blue coloration is unique among ladybirds and is caused by multilayer cuticle structures.
Hellgrammite
A dark-colored dobsonfly whose larvae, known as hellgrammites, are prized as fishing bait. Adults are smaller than Corydalus and have serrated antennae.
Did You Know?
Hellgrammite larvae are so effective as fishing bait that they are commercially collected and sold to anglers.