Pamphobeteus sp. Machala is a scientifically undescribed tarantula from the Machala region of Ecuador. It is one of the larger spiders in South America: adult females reach a leg span of 18–20 cm. Juveniles and females are dark with a pink sheen on the carapace and thighs; mature males have legs that are a deep purple. It is terrestrial and burrows when young. Calm but skittish; it sheds its stinging hairs when startled. It has a hearty appetite and grows quickly. It requires a large terrarium and moist substrate.