Nose Bot Fly of Horses vs Brown Marmorated Stink Bug
Side-by-side species comparison
| Attribute | Nose Bot Fly of Horses | Brown Marmorated Stink Bug |
|---|---|---|
| Scientific Name | Gasterophilus haemorrhoidalis | Halyomorpha halys |
| Order | Diptera | Hemiptera |
| Family | Oestridae | Pentatomidae |
| Size | 10-14 mm | 12-17 mm |
| Habitat | Farmland | Farmland |
| Diet | Omnivores | Fruit Feeders |
| Regions | Europe, North America, Asia, North Africa | Asia, North America, Europe |
| Conservation | Least Concern | Least Concern |
Nose Bot Fly of Horses
A dark-bodied bot fly that deposits reddish-black eggs around the lips of horses. Larvae penetrate the lip mucosa and migrate to the stomach, then before pupation they reattach to the rectal mucosa, causing irritation and inflammation. The name refers to the reddish rectal inflammation it causes.
Did You Know?
Before pupation, larvae reattach to the horse's rectum, causing such irritation that affected horses may rub their tails raw.
Brown Marmorated Stink Bug
A shield-shaped brown bug with marbled patterning and distinctive white-banded antennae. Native to East Asia, it has become a devastating invasive agricultural pest on multiple continents.
Did You Know?
This stink bug releases a pungent chemical from thoracic glands when disturbed, and a single house can harbor over 25,000 overwintering adults in its wall voids.