Which insect is incorrectly associated with spreading the West Nile virus?

The association of specific insects with the transmission of the West Nile virus primarily revolves around their roles as vectors. Mosquitoes are well-documented carriers of the West Nile virus, as they are capable of feeding on infected birds and then passing the virus to humans or other animals through their bites.

Flies, in a broader sense, could refer to various types; however, they are not recognized as vectors for this virus. While some flies can harbor various pathogens, they do not play a significant role in the transmission of West Nile virus.

Ticks are known for transmitting a range of other diseases, such as Lyme disease and Rocky Mountain spotted fever, but they are not linked to West Nile virus at all.

Blow flies, specifically, are often associated with decomposition and carrion and do not have a role in the life cycle or transmission of the West Nile virus. Hence, their inclusion in a list of insects commonly associated with West Nile virus misrepresents their actual relevance in the epidemiology of this disease. This makes the blow fly the correct identification for an insect incorrectly associated with the transmission of the West Nile virus.