Mueller's Thorny Stick Insect vs Hazel Sawfly
Side-by-side species comparison
| Attribute | Mueller's Thorny Stick Insect | Hazel Sawfly |
|---|---|---|
| Scientific Name | Haaniella muelleri | Croesus septentrionalis |
| Order | Phasmatodea | Hymenoptera |
| Family | Heteropterygidae | Tenthredinidae |
| Size | 7-11 cm | 8-10 mm |
| Habitat | Mountains | Heathland |
| Diet | Herbivores | Herbivores |
| Regions | Malaysia (Borneo) | Europe, Western Asia |
| Conservation | Data Deficient | Least Concern |
Mueller's Thorny Stick Insect
A robust Bornean thorny stick insect with strong sexual dimorphism. It is one of five recently revised Haaniella species.
Did You Know?
A 2016 taxonomic revision described five new Haaniella species, highlighting how much diversity remains to be catalogued.
Hazel Sawfly
A medium-sized sawfly with an orange abdomen and dark thorax. The bluish-green larvae with black heads feed gregariously on hazel, birch, and alder.
Did You Know?
When disturbed, the gregarious larvae raise their tails simultaneously in an S-shape, creating an intimidating group display to deter predators.