Species of fly
 ;templatestyles src="Template:Taxobox/core/styles.css" / ;
Neolipoptena ferrisi, or the Pacific deer ked, is a species of fly from the family Hippoboscidae. They are blood-feeding parasites of the mule deer - "Odocoileus hemionus", the white-tailed deer - "Odocoileus virginianus" &amp; The Pronghorn - "Antilocapra americana". They are found from British Columbia, Canada, to Baja California, Mexico. and Australia.
They are often misidentified as ticks.
The female fly will produce a single larvae at a time, retaining the larva internally until it is ready to pupate. The larva feeds on the secretions of a milk gland in the uterus of the female. After three larval instars, a white pre-pupa which immediately forms a hard dark puparium. The pupa is usually deposited where the deer slept overnight. When the pupa has completed its pupation. a winged adult emerges and flies in search of a suitable host, upon which fly sheds its wings and is permanently associated with the same host. This is typical of most members of the family Hippoboscidae.
References.
 ;templatestyles src="Reflist/styles.css" / ;