Suspected brown dog tick infestation

Newly hatched brown dog tick larvae — Fig. 69 The newly hatched brown dog tick larva (left) is tiny. In the middle is a male. Of the four females (right), one is yet to feed. Silhouettes are in natural size.

Ticks on a dog are almost always caster bean ticks that just need to be removed. Caster bean ticks lose the ability to find a host when the temperature drops below 7 °C. If the dog has ticks when it is significantly colder outside, it may be brown dog ticks.

High levels of infestation in the house and ticks (especially blood-filled, gray females) on walls and ceilings may be brown dog ticks. Ticks that are found on dogs that have been imported from or returned from a vacation in the South, could be brown dog ticks.

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Henri Mourier

Biologist at Statens Skadedyrslaboratorium

Author of:
"Pests in House and Home"
"Bed Bugs - Bites, Stings and Itches"
"Food Pests"
"Husets dyreliv" (Insects Around the House - Only danish)
"Skadedyr i træ" (Timber Pests - Only danish)
"Stuefluen" (Common Housefly - Only danish)