Exam II - Culicoides spp.

Question 1

What is the common name for Culicoides spp?

Answer 1

Biting midges, “no-see-ums”

Question 2

What is/are the host(s) for Culicoides spp?

Answer 2

All domestic animals and humans

Question 3

Describe the appearance of the Culicoides spp adult

Answer 3

1.5-5mm long. Mottled wings held like a closed pair of scissors over the abdomen. Short piercing proboscis

Question 4

Describe the life cycle of Culicoides spp

Answer 4

Eggs laid in damn marshy ground hatching in 2-9 days. 4 larval stages completed 14-25 days up to 7 months. Pupae found at surface and edges of water. Adult flies emerge in 3-10 days. Females suck blood.

Question 5

What is/are the site(s) of infection for Culicoides spp?

Answer 5

general

Question 6

Describe any pathogenesis associated with Culicoides spp

Answer 6

Annoyance. Transmits protozoa, helminths (Onchocerca) and viruses

Question 7

Describe clinical signs associated with Culicoides spp

Answer 7

Inflicts a fucking painful bite. Like, how on earth could like tiny little-shit fly hurt that much?

Allergic reaction in some horses

Question 8

How would you diagnose Culicoides spp?

Answer 8

ID the fly

Question 9

Describe treatment & prevention options for Culicoides spp

Answer 9

• Decrease standing water
• avoid marshy pastures
• treat horse (repellents, insecticides)