david.beadle:
Physocephala furcillata (Thick-headed Flies) - Bruce County, Ontario
david.beadle:
Physocephala marginata (Thick-headed Flies) - Norfolk County, Ontario
david.beadle:
Physocephala furcillata (Thick-headed Flies) - Cochrane District, Ontario
david.beadle:
Zodion (Thick-headed Flies) - Renfrew County, Ontario
david.beadle:
Zodion (Thick-headed Flies) - Lambton County, Ontario
david.beadle:
Physoconops obscuripennis (Thick-headed Flies) - Norfolk County, Ontario
david.beadle:
Physoconops brachyrhynchus (Thick-headed Flies) - Norfolk County, Ontario
david.beadle:
Physoconops brachyrhynchus (Thick-headed Flies) - Norfolk County, Ontario
david.beadle:
Physocephala furcillata (Thick-headed Flies) - Cochrane District, Ontario
david.beadle:
Physocephala furcillata (Thick-headed Flies) - Cochrane District, Ontario
david.beadle:
Zodion cinereum (Thick-headed Flies) - Toronto, Ontario
david.beadle:
Zodion cinereum (Thick-headed Flies) - Toronto, Ontario
david.beadle:
Zodion cinereum (Thick-headed Flies) - Toronto, Ontario
david.beadle:
Zodion cinereum (Thick-headed Flies) - Toronto, Ontario
david.beadle:
Zodion cinereum (Thick-headed Flies) - Toronto, Ontario