Exam II - Tabanidae

Question 1

What is the common name for Tabanus spp?

Answer 1

horsefly, gadfly

Question 2

Describe the appearance of the Tabanus spp adult

Answer 2

Stout-bodied fly 10-50 mm, mouthparts slashing and sponging.

*Note: live fly will typically not have pin through body as seen in picture

Question 3

Describe the life cycle of Tabanus spp

Answer 3

After blood meal, female lays several hundred eggs in muddy or marshy areas, on vegetation and stones.

Eggs hatch in 1-2 weeks to sluggish larvae. Develop in 3 months-3 years.

Adult fly emerges from pupae in 1-3 weeks.

Complete life cycle is 4-5 months or longer

Question 4

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

Answer 4

General

Question 5

Describe any pathogenesis and clinical signs associated with Tabanus spp

Answer 5

painful bites. Vectors of organisms responsible for anthrax & anaplasmosis

Flies are an annoyance

Question 6

What is the common name for Chrysops spp?

Answer 6

horse fly

Question 7

In what environment do Chrysops spp prefer to bite horses?

Answer 7

they prefer to bite horses in shaded areas