| About six days after suffering the infected flea bite, the victim develops a blackish pustule at the point of the bite. |
| In flight fulvous shows a strong contrast between blackish underwings and tawny body, and a white rump band. |
| In the dried skin, the maxilla is blackish except for the tip, which is paler. |
| It measures 40-50 cm in length, weighs up to 2kg and has a thick, woolly coat that is dark brown or blackish. |
| Lamouroux described the fructification as capsules joined to form rather large blackish spots scattered over both surfaces of the frond. |
| Most are blackish brown with a white fringe of hair decorously surrounding the face. |
