EXER 4: CYCLORRAPHANS I

• scientific name of house fly?

  Musca domestica
• True or false. Musca domestica is a blood-sucking nuisance fly that serves as a vector of infectious agentsand some helminths.

  False
• give species of helminths that Musca domestica can carry

  Habronema muscae, Thelazia spp., Choanotaenia infundibulum
• what are helminths?

  parasitic worms
• beneath each claw are?

  empodium and pulvillus
• the antennae of Musca domestica has 3 segments
• slender bristle on the dorsal surface of the last segment of the antennae.


  arista
• the labium is expanded distally into labella.
• this is a short and spade-like structure, deeply grooved ventrally to form the food canal with the hypopharynx.

  labrum/epipharynx
• labrum forms the food canal with?

  hypopharynx
• species of stable fly, biting house fly

  Stomoxys calcitrans
• True or false. Only female Stomoxys calcitrans (stable fly, biting house fly) are bloodsuckers

  False.
• Stomoxys calcitrans is a mechanical vector of what pathogen?

  Trypanosoma evansi
• Trypanosoma evansi is an intermediate host for what helminths?

  Habronema majus and Hymenolepis carioca.