The Blackish Whiskered Bat has black fur mixed with silvery guard hairs. It rests in tree cavities by day and catches insects on the wing in the evening.
Its fur is black with silvery guard hairs mixed through it.
It rests in tree cavities by day and catches insects in flight in the evening.
At Ashiu in Kyoto, it was observed flying less than 50 cm above a small stream within the forest.
Two pregnant females examined at Yamada in Iwate on 29 June 1974 each contained one embryo 15 mm in total length.
Fine silvery-white hairs are conspicuous in young animals. Adults have a slightly brownish tinge to the black fur, with less conspicuous silvery hairs.
An extinction-risk assessment has not been added yet.