Veterinary Parasitology: Arthropods, Mites, and Ticks Overview

What are the two body components of mites?

Capitulum (mouthparts) and Idiosoma (abdomen)

What is the life cycle of mites?

Egg, Larva, Nymph, Adult

What family of mites burrow within the epidermis?

Sarcoptidae

What common name is associated with Sarcoptes scabei?

Scabies

What are the clinical signs of Sarcoptic mange?

Scaling, crusting, rashes on ears, lateral elbows, ventral abdomen

What is the route of infection for Sarcoptes scabei?

Direct contact with infested dogs

Is Sarcoptes scabei zoonotic?

Yes

What is the treatment for Sarcoptes scabei?

Ivermectin, Selamectin, Lime-Sulfur dips, Amitraz

What is the common name for Notoedres cati?

Feline Scabies

What are the clinical signs of Notoedres cati?

Severe pruritis, skin crusts, and alopecia on ears, head, and neck

What is the common name for Psoroptes cuniculi?

Rabbit ear mite

What are the clinical signs of Psoroptes cuniculi?

Severe pruritis, skin crusts, and alopecia on ears, head, and neck

What is the treatment for Psoroptes cuniculi?

Ivermectin, Milbemycin oxime, Thiabendazole/Dexamethasone/Neomycin solution, Selamectin

What is the common name for Otodectes cynotis?

Ear mite

What are the clinical signs of Otodectes cynotis?

Severe pruritis, shaking of head and ears, dark debris in ears

What is the treatment for Otodectes cynotis?

Ivermectin, Milbemycin oxime, Thiabendazole/Dexamethasone/Neomycin solution, Selamectin

What is the family name for Demodex canis?

Demodicidae

What is the common name for Demodex canis?

Red mange or Follicular mange

What is the route of infection for Demodex canis?

Prenatal infection or direct contact with the dam

What are the clinical signs of localized Demodex?

Patchy alopecia, pyoderma, pruritis

What is the treatment for generalized Demodex?

Medicated dips, Amitraz, Ivermectin, Goodwinol Ointment

What is the unique fact about Demodex canis?

It has a shape similar to an eight-legged alligator

What is the life cycle duration of Sarcoptes scabei?

17 to 21 days

What is the common name for Pneumonyssus caninum?

Nasal mite

What is the family name for Cheyletiella parasitovorax?

Cheyletidae

What is the primary habitat for Cheyletiella parasitovorax?

On the skin surface in the keratin layer

What are the clinical signs of Cheyletiella parasitovorax?

Scaling, pruritis, and possible hair loss

What is the treatment for Cheyletiella parasitovorax?

Topical insecticides and medicated shampoos

What is NexGard used for?

NexGard (afoxolaner) is used to kill fleas and ticks in dogs.

What is the recommended dosage for NexGard for dogs weighing 24.1-60.0 lbs?

Each chewable contains 68 mg afoxolaner and should be given once a month.

What is the recommended dosage for NexGard for dogs weighing 10.1-24.0 lbs?

Each chewable contains 28.3 mg afoxolaner and should be given once a month.

What is the clinical significance of Demodex canis?

Demodex canis is a mite that can cause skin disease in dogs.

What are the clinical signs of Pneumonyssus caninum infection?

Clinical signs include sinusitis, rhinitis, epistaxis, and impaired scenting ability.

How is Pneumonyssus caninum diagnosed?

Diagnosis can be made through rhinoscopy, nasal flushes, and observation of mites exiting the nares.

What is Cheyletiella parasitovorax commonly known as?

Cheyletiella parasitovorax is commonly known as walking dandruff.

What are the clinical signs of Cheyletiella parasitovorax infection?

Clinical signs include dorsal distribution scaling and pruritus.

How is Cheyletiella parasitovorax diagnosed?

Diagnosis can be made using cellophane tape prep or superficial combing with a flea comb.

What is the life cycle of ticks?

Ticks have four stages: egg, larva (seed tick), nymph, and adult.

What are the two families of ticks mentioned?

Argasid (soft ticks) and Ixodid (hard ticks).

What is the veterinary importance of ticks?

Ticks are voracious blood-feeders and can transmit diseases such as Lyme disease and Rocky Mountain Spotted Fever.

What is the common name for Ixodes scapularis?

Ixodes scapularis is commonly known as the deer tick or black-legged tick.

What diseases can Rhipicephalus sanguineus transmit?

Rhipicephalus sanguineus can transmit Babesia canis and Hepatozoon canis.

What is the treatment for tick infestations?

Treatment includes removing the tick and using topical acaricides like Fipronil or Permethrins.

What is the significance of the Lone Star tick?

The Lone Star tick (Amblyomma americanum) is a vector for Rocky Mountain Spotted Fever and Tularemia.

What is the recommended frequency for checking for ticks outdoors?

It is recommended to check for ticks every four hours when outdoors.

What is the pharmacology of Advantage Multi?

Advantage Multi (Imidacloprid + Moxidectin) is used for fleas, heartworm, and rounds.

What is the active ingredient in NexGard?

The active ingredient in NexGard is afoxolaner.

What are the clinical signs of tick paralysis?

Signs of tick paralysis include paralysis and respiratory failure.

What is the treatment for nasal mites?

Treatment options include Ivermectin, Milbemycin oxime, and Selamectin.

What is the route of infection for Pneumonyssus caninum?

The route of infection is direct contact, typically nose-to-nose.

What are the common names for Dermacentor variabilis?

Dermacentor variabilis is commonly known as the American Dog tick.

What is the significance of the hypostome in ticks?

The hypostome is a penetrating anchor-like organ that helps the tick attach to its host.

What is the treatment for walking dandruff?

Treatment includes lime sulfur dips and topical treatments like Fipronil.

What is the common name for Amblyomma americanum?

Amblyomma americanum is commonly known as the Lone Star tick.

What is the recommended treatment for fleas in dogs?

Recommended treatments include NexGard, Frontline, and Advantage.

What is the significance of the scutum in ticks?

The scutum is a hard chitinous material covering the body of hard ticks.

What is the recommended treatment for mites in dogs?

Treatment options include Ivermectin, Milbemycin, and Selamectin.