The Pheidole yeensis, often referred to as the Giant Yellow-headed Ant or simply the Yeensis Big-headed Ant, is a spectacular species from East Asia. It sits in a “sweet spot” for many collectors: it is significantly larger and more robust than the common Pheidole, but it maintains the explosive population growth and fierce recruitment that the genus is famous for. With their beautiful reddish-orange to yellowish-brown coloration and massive soldiers, they are a high-definition addition to any ant room.
Technical Specifications
| Feature | Details |
| Origin | East Asia (China, Vietnam, Myanmar) |
| Habitat | Subtropical forests and humid shrublands |
| Colony type | Monogyne (Single queen) |
| Queen size | 10mm – 12mm (Large, dark, and very bulky) |
| Major (Soldier) size | 6mm – 8mm (Massive, powerful heads) |
| Minor (Worker) size | 4mm – 5mm (Much larger than standard minors) |
| Nutrition | High protein (Insects), sugary liquids, and some seeds |
| Humidity | Nest: 70% – 80% (Requires high humidity) |
| Temperature | 25°C – 29°C (Likes warmth) |
| Hibernation | None (Optional room temp rest in winter) |
| Difficulty | 3/5 (Requires stability and secure housing) |
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