The Pheidole morrisii, also known as the Morris’ Big headed Ant, is a standout species from the Eastern United States. While many Pheidole are dark and cryptic, P. morrisii is famous for its beautiful, uniform yellow to golden coloration. They are among the largest Pheidole in the Eastern US and are legendary for their explosive growth rates. If provided with consistent heat and protein, a small founding colony can transform into a bustling metropolis of thousands in a single season.
Technical Specifications
| Feature | Details |
| Origin | Eastern USA (New York south to Florida, west to Texas/Illinois) |
| Habitat | Pine flatwoods, sandy grasslands, and open fields |
| Colony type | Monogyne (Single queen), but pleometrotic founding is common |
| Queen size | 8mm – 10mm (Largest Pheidole queen in the Eastern US) |
| Major (Soldier) size | 4mm – 4.5mm (Large, muscular yellow heads) |
| Minor (Worker) size | 3mm – 3.5mm (Bright yellow to golden-orange) |
| Nutrition | High protein demand; also loves sugary liquids |
| Humidity | Nest: 65% – 85% | Outworld: 50% – 75% |
| Temperature | 26°C – 30°C (Requires heat to grow effectively) |
| Hibernation | Optional/Facultative (1-3 months at 15°C if growth stalls) |
| Difficulty | 2/5 (Easy to feed, but population growth is a challenge) |
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