Allied to Xylocopa tarsata Smith, but larger. Length 23 mm.; alar expanse 44 mm. — Black, with black pubescence, except a spot of ferrugineous hairs on the outer margin of the posterior metatarsus. The head densely punctured, and densely covered with black pubescence on the face which is armed with four glossy tubercles: one between the antennae, another on the middle of the front margin of the clypeus, opposite to the median tubercle of the labrum, and two on the middle of the lateral margins of the clypeus.