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Fleas & Ticks

Adult Flea Feeding
Fleas & Ticks

Fleas and ticks can transmit serious diseases to both man and animals.  Bubonic plague or "black death" killed millions of people in the middle of the 14th century and is transmitted by the bite of the oriental rat flea.  It is still present today.  However, effective control of the Norway rat - which is a primary host of the oriental rat flea - limits the incidence and spread of this disease.  Fleas and ticks all feed on the blood of animals.  Females of both ticks and fleas must have a blood meal before they can produce viable eggs.  Effective pest management efforts for fleas and ticks includes the treatment of pets, buildings where pets live and the outdoor areas that pets frequent.

Cat Flea Adult
CAT FLEA

Cat Flea – Ctenocephalides felis (Bouche).  The cat flea is the most common flea on domestic dogs and cats as well as most wildlife found in urban areas.  Fleas can transmit tapeworms found in animals.  The adults are almost always found on animals as their only food source is the blood of the animal.  They are flattened from side to side when viewed from above and this shape enables them to move through the hair of the animal very quickly.  The other stage of development, occur off the animal.  Some people are more sensitive to flea bites than others as well as some animals being more sensitive.  Fleas can build up large numbers in some areas causing extreme discomfort to people and pets.  A thorough treatment of places where animals frequent needs to be done to ensure adequate control.  Inside and outside treatments may be necessary.

Orinetal Rat Flea Adult
ORIENTAL RAT FLEA

Oriental Rat Flea – Xenopsylla cheopis (Rothschild).  This is the flea that is responsible for the transmission of the cause of bubonic plague, also known as the “black death”, a disease which wiped out about one-fourth of the world’s population in the 1300’s.  Still today, bubonic plague cases are still being found, however the spread of this disease is kept in check by the control of rodent population where the flea is found.  It will occasionally bite people but the preferred host is rats and mice.

Brown Dog Tick Pair
BROWN DOG TICK

Brown Dog Tick – Rhipicephalus sanguineus (Latreille).  The brown dog tick is one of the most common ticks encountered on animals of all types both domesticated and undomesticated.  When the tick takes a blood meal from an animal and is full, it typically drops off the animal and can be found in areas frequented by the animal such as inside structures.  They are flat, uniformly red in color and have pits scattered over the entire surface of the back.  Males do not become enlarged when feeding as do the females.

American Dog Tick
AMERICAN DOG TICK

American Dog Tick – Dermacentor variabilis (Say).  As the name implies, this tick is commonly found on dogs.  However, they can be found many other large animals.  Adults are generally brown but become slate gray when engorged on blood from the animal.  It is a vector of Rocky Mountain spotted fever and is commonly associated with tick paralysis.  It is widely distributed throughout the United States.

RELAPSING FEVER TICK

Relapsing Fever Tick – Ornithodorus turicata (Duges).  One of the “soft” ticks, this tick can transmit the causal organisms of relapsing fever in humans, hence the name.  They usually feed on small animals such as squirrels, mice, chipmunks or rabbits.  Soft ticks usually feed at night, feeding from 15 – 30 minutes and then letting go of the host.  Symptoms of tick-borne relapsing fever usually develop within 7 days after being bitten.